On July 26, the National Agricultural Technology Center organized a national peanut production technology conference in July to exchange the current growth of peanut seedlings, analyze favorable and unfavorable factors, and put forward the key points of field management in the next step. More than 20 experts from the peanut expert steering group of the national soybean oil production capacity improvement project and technical backbones of agricultural technology promotion in major peanut producing provinces and regions attended the meeting.
The meeting pointed out that at present, the spring peanut in the main production areas has entered the flower needle period and the pod expansion and enrichment period, and the early spring peanut in the southern production areas has entered the harvest period; Summer peanuts generally enter the flowering and needle setting stage. Northeast production area:spring flowering successively enters the flowering, needle setting and pod setting stages, and the growth process is generally normal. Huang Huai marine production area:spring flowering enters the late stage of flowering and needling – the stage of pod setting and full fruit, and the seedlings grow well; Summer sowing peanuts enter the flowering and needle setting stage, and the seedlings are strong. Production areas in the Yangtze River Basin:the spring sowing of groundnut enters the pod expansion stage, and the spring flowering of plastic film enters the pod filling stage, and the overall seedling condition is good; The summer direct sowing Peanut after rape and wheat enters the flowering and needle setting stage – pod setting stage. Southern production areas:most spring peanuts enter the harvest period, and autumn peanuts enter the sowing period.
The meeting held that the favorable factors for peanut production at present are:first, the technical guidance is in place. The vast number of agricultural technology promotion and scientific research departments strengthen the production guidance in the critical period of flower needle stage and pod bearing and full fruit, and timely spray fertilizer and chemical control according to the occurrence of diseases and pests and the growth of seedlings, so as to promote early maturity and prevent premature aging; Second, the market price of edible peanuts is good. Guangdong fresh flowers and fruits have been maintained at 6-10 yuan/kg, and the price of autumn harvest peanuts is rising. The main adverse factors are the frequent occurrence of meteorological disasters in the main production areas since July, continuous overcast and rainy weather or high temperature and drought in many places, resulting in the aggravation of diseases, pests and weeds, and the flowering and fertilization of peanuts and the enrichment of pods.
Through consultation and analysis, the favorable and unfavorable factors of meteorological conditions in this month for peanut production in major production areas coexist. Northeast production area:in July, the temperature rises, the rainfall is abundant, and the soil moisture is good, which is conducive to the growth of peanuts; However, due to more rainfall than usual this year, waterlogging occurred in some low-lying areas, and the disease of peanut leaves in Liaoning region is aggravated, and the growth period may be prolonged. Huang Huai marine production area:there was an obvious precipitation process in the first ten days of July, which was conducive to alleviating the drought and promoting the growth of peanuts; However, the recent continuous high temperature and high humidity weather has led to the rapid growth of weeds, and the occurrence trend of leaf eating pests is biased. Production areas in the Yangtze River Basin:there was less rainfall in the first and middle of July, which affected the flowering and needling of peanuts and the enrichment of pods. Since the latter ten days, there has been widespread heavy rain, which is conducive to the alleviation of the drought. However, some spring flowering plants have been affected by the sharp turn of drought and flood, resulting in lodging. Southern production area:irregular high temperature, dry heat and typhoon and rainstorm seasons have an adverse impact on the growth of peanuts. The rainfall at the end of June and the beginning of July has a certain impact on the progress of machine harvest of peanuts.
The meeting proposed that all production areas should make an overall plan to do a good job in the field management of spring flower harvest period and summer peanut in the middle and late stages according to the current climate and soil moisture conditions. Northeast production area:timely clear ditches and drain stains; Topdressing soil and spraying growth regulators to promote fruit bearing and pod filling; When the height of the main stem exceeds 35 cm, it should be controlled in time to prevent collapse; Strengthen pest control. Huang Huai marine production area:pay close attention to the field management of key links such as ditch cleaning and waterlogging prevention, intertillage and weeding, soil cultivation and needle welcome, and pest prevention and control; In areas with frequent rainfall, if iron deficiency yellow leaves occur, fertilizer should be sprayed on the leaves in time; The prosperous and long plot shall be controlled in time to prevent collapse; After the summer peanut enters the pod setting stage, the leaf surface is sprayed with fertilizer to protect the leaves and prevent premature senescence; Do a good job in the water management and disease prevention and control of spring flowers entering the harvest period, harvest at an appropriate time, and control the safe storage of water. Production areas in the Yangtze River Basin:drought resistant irrigation should be done well. Early maturing film covered peanuts without irrigation conditions should be harvested early in case of severe drought to avoid drought hazards. Summer peanuts can be sprayed with drought resistant water retaining agent; Pay attention to the prevention and control of leaf spot and rust; The prosperous and long fields with summer flowering plant height of more than 35 cm should be controlled as soon as possible. Southern production areas:spring flowers should be harvested in sunny days and dried in time after harvest. Fresh fruits should not be stacked to reduce the risk of aflatoxin pollution; Collect according to different uses such as fresh food and seed retention, and treat as needed; Do a good job in preparing and sowing autumn peanuts, select plots with water sources to plant autumn peanuts, and sow them in time before August 10.