Notice of the National Agricultural Technology Center on the issuance of the prevention and control plan for the prevention and control of four major agricultural plant epidemics including citrus yellow dragon disease (Agricultural Technology Plant Protection [2021] No. 16)
By: Date: 2021-03-09 Categories: authoritativerelease Tags: ,
All provinces, autonomous regions, and municipalities directly under the Central Government (plant quarantine, agricultural technology) stations (centers, bureaus), Tianjin, Liaoning Province Agricultural Development Service Center, Xinjiang Production and Construction Corps General Station of Agricultural Technology Extension, Hainan Provincial Southern Propagation Administration:

   In order to implement the requirements of the Central Government’s No. 1 Document and the “Plant Quarantine Regulations”, we will effectively deal with major diseases such as citrus yellow dragon disease, codling moth, potato beetle and pear fire blight. For the prevention and control of plant epidemics, our center has organized and formulated technical plans for the prevention and control of citrus yellow dragon disease, codling moth, potato beetle and pear fire blight. You are hereby printed and distributed. Please implement it carefully in light of local conditions, work hard to curb the spread of the epidemic and ensure the safety of agricultural production.

  National Agricultural Technology Center

   March 4, 2021

   2021 Citrus Yellow Dragon Disease Interdiction and Control Technology Plan

   Citrus Huanglongbing is a national agricultural plant quarantine pest, which seriously affects the safety of citrus production. According to the forecast of the National Agricultural Technology Center, in 2021, there will be 2.2 million mu of citrus yellow dragon disease in the country. The occurrence of citrus production areas in most of South China and southern Jiangnan is generally moderate, and there is a possibility of severe occurrence in some areas. It occurs in some citrus orchards in most of Yunnan, Sichuan and southern Guizhou, and it occurs further to western Hunan, central Jiangxi, and southeastern Sichuan. The risk of proliferation. In order to do a good job in the prevention and control of citrus yellow dragon disease in 2021, this plan is formulated.

   One, prevention and control target

   effectively curb the spread of citrus yellow dragon disease epidemic, control it to the south of the 29th parallel, and strive to control the diseased plant rate in orchards in severely ill areas below 5%. The rate of diseased plants in the moderately affected areas shall be controlled below 3%, and the rate of diseased plants in the mildly affected areas shall be controlled below 1%.

   2. Prevention and control strategy

   Establish a prevention and control mechanism of “government-led, territorial responsibility, joint prevention and joint control”, and implement a prevention and control strategy of “classified guidance, district governance, and both symptoms and root causes”. Take comprehensive measures to cultivate healthy seedlings, uniformly control psyllids, remove infected plants, and strengthen quarantine supervision in epidemic areas; promote the construction of barrier zones in the frontier areas of epidemic spread, strengthen monitoring and investigation, and timely discover and dispose of sporadic epidemic points; Strengthen monitoring and investigation in non-occurring areas to ensure timely detection and rapid disposal of new epidemic spots.

  3. Regional focus

   According to the occurrence and distribution of citrus yellow dragon disease and the development layout of the citrus industry, it is divided into three regions, and implemented classification guidance and district management.

  1. Block the front area. Including central and western Hunan, central Jiangxi, central and western Zhejiang, southeastern Sichuan, northeastern Yunnan and other citrus producing areas at the forefront of the epidemic. Focus on measures such as reducing the planting of host crops, strengthening monitoring and investigation, and removing sporadic epidemics, and establishing prevention and control barriers to delay the spread of the epidemic.

   2. Occurrence area. Including areas where the epidemic occurred in southern Zhejiang, southern Jiangxi, southern Hunan, most of Guangdong, most of Guangxi, most of Fujian, and most of Hainan, as well as counties and districts of Yunnan and Guizhou where the epidemic occurred. The focus is to continue to promote the comprehensive management measures of”selecting healthy seedlings, unified prevention and control of psyllids, eradicating infected plants, and strengthening quarantine supervision” to further reduce the occurrence area and reduce the incidence of disease.

  3. No occurrence area. The upper and middle reaches of the Yangtze River (west of Zigui in Hubei, east of Yibin in Sichuan, and the Three Gorges Reservoir in Chongqing), the citrus belt in western Hubei-Northwest Hunan, the citrus base at the northern edge of the Danjiangkou reservoir in Hubei, and the lemon base in Ziyang, Neijiang in Sichuan and Dehong in Yunnan. The focus is to strengthen monitoring and early warning, strict quarantine supervision, and prevent the introduction of epidemics.

   Fourth, interception prevention and control measures

  1. Strengthen monitoring and early warning. In the dominant citrus producing areas, we have established epidemic monitoring sites and equipped with special monitoring equipment for citrus psyllids. During the critical period of disease manifestation, epidemic investigations will be organized to accurately monitor the occurrence and decline of citrus yellow dragon disease and citrus psyllids. Implement the epidemic report and release system, strengthen information interconnection, analysis and utilization, and release early warning and forecast information in a timely manner.

  2. Strengthen epidemic prevention. In the interception frontier area, relying on topographical conditions, build an epidemic prevention zone in the key channel for the natural spread of citrus psyllids, remove Rutaceae plants as much as possible, add citrus psyllid monitoring points, and carry out unified prevention and control of psyllids found to prevent the epidemic from reaching non-occurring areas diffusion. In prevalent areas, farmers should be guided to make full use of natural terrain or artificial afforestation to form a moderately ecologically isolated production model, and gradually control the contiguous planting scale of orchards to about 200-300 acres to delay the short-distance spread of the epidemic.

  3. Optimize cultivation management. Promote the transformation of old orchards and standardized production of new orchards, encourage wide-row and sparse planting, ecological grass retention, improve the permeability of orchards, protect biodiversity, and integrate and promote standardized orchard construction, labor-saving pruning, precise fertilization, and scientific drug use. Green and high-efficiency production technology model improves plant disease resistance. Give full play to the role of a new type of socialized service organization, and carry out full-process technical services such as unified whole garden, unified pruning, unified fertilization, and unified medication according to local conditions to reduce the risk of infection.

   4. Promote comprehensive prevention and control. Promote healthy seedlings, guide the construction of healthy seedling breeding bases, improve the supply capacity of healthy seedlings, encourage farmers to intensively breed and replant large seedlings in isolation net rooms, and reduce the risk of citrus seedlings with diseases. Unified prevention and control of psyllids. During key periods such as clearing the garden in winter, controlling shoots in summer, and drawing shoots in spring and autumn, select fluopiramide, thiamethoxam, beta-cypermethrin, pyriproxyfen, lufenuron, spirotetramat, etc. Pesticides carry out unified prevention and control, pay attention to the combination of quick-killing and systemic pesticides, and use different action mechanisms in rotation to avoid drug resistance. Eradicate infected plants, guide farmers to find and resolutely cut down infected plants in a timely manner, and reduce the source of transmission of Huanglong disease.

   5. Strict quarantine supervision. Strengthen the quarantine and supervision of seedlings and scions of host plants of the Rutaceae family such as Citrus and Kumquat. The occurrence area strictly implements the quarantine system of the place of origin and the transportation and quarantine system to ensure that the seedlings that have not been quarantined will not leave the nursery, will not be transported, or enter the nursery.

   2021 codling moth interception and control technology plan

   codling moth is a national agricultural plant quarantine pest, which seriously affects the production safety of apples, pears and other fruits. According to the forecast of the National Agricultural Technology Center, 600,000 mu of occurrences will occur nationwide in 2021. Spotted occurrences of apple orchards in most of Xinjiang, central and western Gansu, eastern and central Heilongjiang, central and eastern Jilin, southwestern Liaoning, northeastern Hebei, northern Tianjin, central and western Inner Mongolia, and central and northern Ningxia. The risk of proliferation. In order to do a good job in the prevention and control of codling moths in 2021, this plan is formulated.

   One, prevention and control target

   Delay the spread of codling moth, prevent it from being introduced into the dominant apple producing areas of the Loess Plateau and Bohai Bay, and strive to control the common fruit boring rate below 3%, The epidemic disposal rate will reach 100%, the scope of occurrence will be gradually reduced, the new outbreak sites will be eradicated in time, and the threatened areas will not be introduced or colonized.

   2. Prevention and control strategy

   Establish a prevention and control mechanism of “government-led, territorial responsibility, joint prevention and joint control”, and implement the strategy of “categorized guidance, divisional governance, and comprehensive prevention and control”. Establish three epidemic prevention lines of”West, North, and East”. The western line is intercepted to the west of Lanzhou, the northern line is intercepted in Wuzhong of Ningxia, north of Ordos in Inner Mongolia, and the eastern line is intercepted to the east of Tianjin Jizhou. In the occurrence area, strengthen quarantine supervision, do a good job of monitoring and investigation, implement prevention and control measures, and reduce the density of insect population and the degree of harm.

  3. Regional focus

  According to the occurrence and distribution of codling moths and the development layout of the apple industry, it is divided into three regions and implemented classified guidance and regional management.

  1. Western line area. Including Xinjiang, Gansu and Shaanxi 3 provinces (regions). According to the occurrence of codling moths, it can be divided into common occurrence areas, including the whole area of ​​Xinjiang and Hexi area of ​​Gansu; sporadic occurrence areas, including some cities and counties west of Lanzhou, Gansu; threatened areas, east of Lanzhou, Gansu and the whole of Shaanxi.

  2. Eastern line area. Including 7 provinces (cities) of Heilongjiang, Jilin, Liaoning, Hebei, Tianjin, Beijing and Shandong. According to the occurrence of codling moth, it can be divided into common occurrence areas, including the area east of Harbin City, Heilongjiang, Anshan City and Huludao City, Liaoning; sporadic occurrence areas, Yanbian Prefecture, Jilin Province, Changchun City and Songyuan City, Dalian City, Liaoning City, Tianjin Jiu Prefectures and districts, Longhua County, Hebei; threatened areas, including the entire territory of Beijing and Shandong, and counties (districts) that have not occurred in other 5 provinces (cities).

  3. Northern line area. Including Inner Mongolia, Ningxia and Shaanxi 3 provinces (regions). According to the occurrence of codling moths, it can be divided into common occurrence areas, including Alxa League, Wuhai City, Bayannaoer City in Inner Mongolia, Baotou City, Zhongwei City, Wuzhong City, Lingwu City in Ningxia; sporadic occurrence areas, including Ordos City, Inner Mongolia , Hohhot City, Ningxia Yinchuan City, Shizuishan City, etc.; threatened areas, including northern Shaanxi and counties (districts) that have not occurred in two autonomous regions.

  The common occurrence area mainly adopts chemical prevention and control, light and sex pheromone traps, and agricultural measures for comprehensive management to reduce the rate of codling moths and gradually reduce the occurrence In sporadic areas, measures such as emergency prevention and control of chemical agents, sex pheromone obsessions, and removal of contaminated fruits are mainly adopted in sporadic occurrence areas, and strive to eliminate new sporadic epidemics; the focus of threatened areas is to strengthen monitoring, investigation and quarantine supervision, and timely Discover and eradicate sporadic epidemics, and strictly prevent the spread of the epidemic by humans.

   Fourth, prevention and control measures

  1. Strengthen monitoring and early warning. In advantageous producing areas such as apples, pears, apricots, and shaguo, we have established epidemic monitoring sites, equipped with special trapping equipment for codling moth sex pheromone, to keep abreast of the development and ebb and flow of the epidemic in a timely manner. Implement the epidemic report and release system, strengthen information interconnection, analysis and utilization, and release early warning and forecast information in a timely manner. In common occurrence areas, focus on monitoring representative orchards and fringe areas; sporadic occurrence areas, focus on orchards within 15 kilometers around the outbreak point, fruit juice processing plants and surrounding orchards; threatened areas, focus on monitoring towns, large and medium-sized Fruit orchards around fruit trading markets or distribution centers, as well as orchards on both sides of airports, railways, and roads.

  2. Implement comprehensive prevention and control. Clear the garden in winter. Scrape off the rough bark and warped bark below the main branches of fruit trees, whiten the main stems and branches with lime whitening agent, tie cloth tapes, straws, etc. to the trunks to trap and eliminate overwintering larvae; remove weeds, bushes, waste bins, etc. Overwintering places and items. Traps and kills adults. From April to September, equipment such as insecticidal lamps and special traps for sex pheromone shall be set up to trap and kill adults. Contiguous large area orchards can be equipped with sex pheromone dispensers to prevent and control obsessive directions, block the mating of adults and reduce the population. Chemical control. Before the codling moth eggs hatch to the first-instar larvae (usually 10-15 days after the adult is monitored), use lambda cypermethrin, lambda-cyhalothrin, chlorantraniliprole, deltamethrin, etc. Control, the number of traps (insects/traps/week) is controlled 4 to 5 times per year in areas with more than 10 traps, 2-3 times in areas with 3-10 traps, and 1-2 times in areas with less than 3 traps. Preventive chemical control can be carried out in key places such as fruit juice processing plants and fruit distribution markets during the peak period of dispatch and transportation. Abandoned orchard management. For the loss of control of the orchard and the aftermath of the house in front of the epidemic, the fruit will be destroyed in the early stage of the fruit expansion, and chemical prevention and control will be carried out in a timely manner.

  3. Strengthen quarantine supervision. Supervision on the dispatch of high-risk items. Strictly control the sale (shipment) of residual fruit, insect drop fruit and packing boxes from areas where the epidemic has occurred. Special circumstances must pass quarantine treatment and be transported to designated processing plants for processing according to the designated transportation route. Commodity fruits in the occurrence area can only be exported after passing strict quarantine and inspection. Supervision of high-risk sites. Focus on the quarantine supervision of fruit juice processing plants and fruit purchase and processing centers, clarify the quarantine responsibilities of relevant production and operation entities, and urge them to cooperate in the verification of imported fruit quarantine certificates, epidemic monitoring reports, and preventive control measures.

   2021 Potato Beetle Interdiction and Control Technology Plan

   The potato beetle is a national agricultural plant quarantine pest and poses a serious threat to the safety of potato production. According to the forecast of the National Agricultural Technology Center, in 2021, there will be an area of ​​100,000 mu in the country. It occurred in some areas of northern Xinjiang, and some spots occurred more severely. In Heilongjiang, Jilin and other areas adjacent to the Russian border, there is a possibility of migration of foreign insect sources. In order to do a good job in the prevention and control of potato beetles in 2021, this plan is formulated.

   One, prevention and control target

   timely blockade and extinguish the cross-border movement of the epidemic, and prevent the spread of the epidemic within the country. In Jilin and Heilongjiang provinces, the epidemic response rate is 100%, and we strive to eliminate new epidemic spots; the Xinjiang Autonomous Region will not expand the epidemic area, and the number of overwintering adults per square meter in the occurrence area will be controlled within 3.

   2. Prevention and control strategy

   establish a “government-led, territorial responsibility, joint prevention and joint control” working mechanism, implement a prevention and control strategy of “categorized guidance, district governance, and comprehensive policy implementation” to create a “dong, There are two lines of defense against the epidemic on the west. The west line is controlled to the west of Mulei County in Xinjiang and north of Tianshan Mountain, and the east line is controlled to the border areas to the north of Xiaoxing’anling, Wanda Mountain and Changbai Mountain to the east. In the occurrence area, strengthen quarantine supervision, monitoring and investigation, and comprehensive treatment measures, continue to reduce the population density and damage degree, curb the spread and spread of potato beetles, and protect the healthy development of the potato industry.

  3. Regional focus

   According to the occurrence and distribution of potato beetles and the development layout of the potato industry, it is divided into two areas, the west line and the east line, and implements classification guidance and district management.

  1. Western line area. Including Urumqi, Changji Prefecture, Bortala Prefecture, Bayingoleng Prefecture, Yili Prefecture, Tacheng Prefecture, Altay Prefecture, Shihezi City and Wujiaqu City in the north of Tianshan Mountains in Xinjiang District. Focus on comprehensive management such as chemical prevention and control, adult culling and ecological management, gradually reduce the scope of occurrence and reduce the density of insect populations; strengthen quarantine supervision, and control potato beetles to the west of Mulei County.

  2. Eastern line area. Including Jixi City, Shuangyashan City and Mudanjiang City in Heilongjiang, Hunchun City in Yanbian Prefecture of Jilin Province and other cities (counties) reported in recent years, and Daxinganling, Heihe, Yichun, Hegang, Jiamusi and other areas along the Sino-Russian border. The focus is to implement comprehensive monitoring, detect and eradicate new outbreaks in time, set trap areas to trap and quickly culminate the sources of incoming insects, strengthen coordinated quarantine supervision, stop the hidden dangers of human-made transmission of the epidemic, and ensure that the potato beetle is controlled in the eastern and western regions. Outside the northern border.

   Fourth, prevention and control measures

  1. Strengthen monitoring and early warning. Deploy epidemic surveillance sites in areas where epidemics occur, areas at risk of introduction of epidemics, and main potato production areas to keep abreast of the dynamics of the outbreak and ebb and flow of the epidemic in a timely manner. Implement the epidemic report and release system, strengthen information interconnection, analysis and utilization, and release early warning and forecast information in a timely manner. Epidemic areas, focus on monitoring the areas where epidemics have occurred and surrounding dangerous areas, representative potato production fields and wild host distribution areas. The epidemic is introduced into risk areas, focusing on monitoring concentrated potato planting areas, seed potato breeding bases, and host crop distribution areas around vegetable trading markets or distribution centers.

  2. Eliminate new epidemics. Organize and carry out emergency prevention and control of new outbreaks in a timely manner, and immediately spray pesticides on the infected central plant and the plants in the surrounding area of ​​10 square meters, and carry out manual removal and deep burying. Deeply pour the soil (20cm) of the diseased spot, mulch the fumigation and press the soil to kill the pupae and adults in the soil, and prevent the potato beetle from escaping. Set up 20-30 monitoring points within 80 kilometers of the epidemic site, and arrange special personnel for regular monitoring and investigation to ensure timely detection and disposal of sporadic escaped potato beetles.

  3. Promote comprehensive prevention and control. Take measures to suit local conditions and take multiple measures to scientifically carry out epidemic prevention and control. Chemical prevention and control. For the epidemic area, grasp the peak period of overwintering adult larvae, the first and second generation larvae peaks, and use dinotefuran, Beauveria bassiana, Bacillus thuringiensis and other agents for prevention and control. Pay attention to the rotation of medication to avoid resistance. Manual capture. Using the”pseudo-death” of adult potato beetle, during the peak of emergence of overwintering adult beetle in spring, organize manual capture and remove the leaves with egg masses. Ecological governance. Implement crop rotation and stubble to remove wild host plants such as Hydrangea vulgaris and Solanum sinensis to reduce the occurrence area. During the sowing period, the mulching technique should be implemented according to local conditions to control the unearth of overwintering adults. After harvesting, plow and irrigate in time to reduce the overwintering base.

   4. Strict quarantine inspection. The Xinjiang region should strengthen the quarantine of the place of origin and the quarantine of the transportation in the occurrence area. Strictly supervise the dispatch and transportation of potato seed potatoes and other items subject to inspection. Jilin and Heilongjiang provinces should increase the quarantine and inspection of potato seed potato breeding bases. Pay attention to strengthening the quarantine inspection around the storage, transportation, processing and other places of the goods transferred from the Binhai New Area of ​​Russia to prevent the spread of the epidemic into the country along with the relevant goods.

  Technical plan for the prevention and control of pear fire blight in 2021

   Pear fire blight is a national agricultural plant quarantine pest, which seriously affects the production safety of pears, apples and other fruits. According to the forecast of the National Agricultural Technology Center, the country will have an area of ​​750,000 mu in 2021. Pear and apple production areas in Xinjiang generally occur moderately, and there is a risk of severe occurrence in some areas. It occurs in patches in some orchards in the Hexi Corridor of Gansu, and there is a risk of further spreading to the dominant production areas of the Loess Plateau. It occurs sporadically in some orchards in northwestern Zhejiang, eastern Anhui, and northeastern Chongqing. There is a risk of further spreading to surrounding areas. In order to do a good job in the prevention and control of pear fire disease in 2021, this plan is formulated.

   One, prevention and control target

   Delay the spread of pear fire blight, reduce the damage and loss in the occurrence area, and strive to control the diseased plant rate in the orchard in the severely affected area below 5%, and the diseased plant rate in the moderately affected area Below 3%, the rate of diseased plants in mildly affected areas is controlled below 1%.

   2. Prevention and control strategy

   Establish a prevention and control mechanism of “government-led, territorial responsibility, joint prevention and joint control”, and implement the strategy of “categorized guidance, divisional governance, and comprehensive prevention and control”. Establish Xinjiang and Gansu epidemic prevention lines, and strive to stop them in the west of the Hexi Corridor. Strengthen quarantine supervision in the occurrence area, prevent the spread of the epidemic, strengthen comprehensive treatment measures such as diseased plant removal, drug control, safe pollination, and tool disinfection, to reduce the rate of diseased gardens and diseased plants; the non-occurring area shall conduct monitoring and investigation and implement preventive measures. Discover and effectively deal with new sporadic outbreaks in a timely manner.

  3. Regional focus

   According to the occurrence and distribution of pear fire blight and the development layout of the pear and apple industries, it is divided into three regions, and implemented classification guidance and regional governance.

  1. Block the front area. Including the frontier areas of the Hexi Corridor in Gansu. The focus will be on removing infected plants, strengthening monitoring and investigation, preventing the application of pesticides during flowering, standardizing the management of orchards, and establishing prevention and control barriers to prevent the spread of the epidemic.

   2. Occurrence area. Including most of Xinjiang, northwestern Zhejiang, part of Hexi Corridor of Gansu, part of southern Anhui, and Kaizhou District of Chongqing. The focus is to strengthen surveillance and investigation, adopt pruning of infected branches, preventive pesticides during flowering, safe pollination, and disinfection of orchard management tools And other comprehensive measures to delay the spread of the epidemic and gradually reduce the scope of occurrence.

  3. Threatened area. Orchards in areas bordering the above-mentioned occurrence areas, and high-risk items such as seedlings, scions, and rootstocks (Pear seedlings) are transferred to the orchards in the area. The focus is to strengthen monitoring and investigation, conduct sampling re-inspection of imported high-risk items, and prevent the spread of the epidemic.

   Fourth, prevention and control measures

  1. Strengthen monitoring and early warning. In the advantageous producing areas of pears, apples, du pears, begonias, hawthorns, etc., we have established epidemic monitoring sites to organize and carry out epidemic investigations during the critical period of disease manifestations to keep abreast of the development and ebb and flow of the epidemic in a timely manner. Implement the epidemic report and release system, strengthen information interconnection, analysis and utilization, and release early warning and forecast information in a timely manner. In threatened areas, focus on monitoring the orchards where high-risk items such as seedlings, scions, rootstocks (du pear seedlings) are transferred into, pears, apples, du pears, crabapple, hawthorn seedling breeding bases, etc.; occurrence areas, key monitoring is representative The orchard and fringe area of ​​the country; the interception front area should be deployed in densely equipped monitoring networks.

  2. Implement comprehensive prevention and control. Promote comprehensive epidemic prevention and control technology models based on local conditions. Remove diseased trees and diseased branches, check regularly throughout the growing season, dig out the whole plant for severely diseased plants, prune the diseased dead branches (50cm below the affected part) in time for lightly diseased plants, and spray fungicides to protect the pruning wounds. Protect the plants around the diseased tree by spraying. Removed diseased trees and branches should be promptly taken out of the orchard for centralized destruction. Chemical prevention and control, pears, apples, du pears, crabapples, hawthorns and other plants are sprayed with lime sulfur before germination to protect them during the initial blooming period (5%blooming), declining blooming period (80%blooming), fruit swelling period, and Within 10 days after the fruit is harvested, use effective fungicides such as kasugamycin for prevention and control. For orchards with vigorous spring shoots, or continuous rainy days, hail, etc. after two days of application, supplementary application 1-2 Time fungicide. The choice of agents should be used alternately, and each agent should not be used more than 2 times throughout the growing season. Safe pollination. In principle, it is forbidden to release bees in diseased orchards, and technologies such as liquid pollination, drone pollination, artificial spot pollination, and”bee + biocontrol bacteria” pollination can be promoted. Preventive measures for orchard management, it is strictly forbidden to mix orchard management tools in diseased orchards with non-infected orchards. When pruning the diseased orchard, hold the left hand below the diseased part, and the tools must be strictly”one pruning, one disinfection”. The disinfectant can be prepared with 10%bleaching powder solution, 3%zhongshengmycin, and 2%kasugamycin; proceed in the diseased orchard The pruning personnel and tools must be treated with disinfectant after the work is over.

  3. Strengthen quarantine supervision. Strengthen the quarantine supervision on the transportation of pears, apples, du pears, hawthorns, crabapples and other Rosaceae host plant seedlings, scions and other items that should be inspected. Related items are prohibited from being transferred from the epidemic area, and the main producing areas of pears and apples increase the transfer of related items Re-inspection intensity.