As wheat in all parts of the city continues to enter the earing stage, field management has entered a critical stage. Due to the warmer winter temperature in the previous year, the plant growth process accelerated, and the pathogen base was higher than normal. Therefore, experts suggested that pests and diseases mainly including stripe rust, powdery mildew, scab, and mites should be prevented early, and they should strive for initiative and promote stable production.
Linyi Fertilizer Network Copyright
In mid-March, monitoring of multiple survey sites in the plant protection department showed that the average disease leaf rate of stripe rust was 5.58%, an increase of 2.18 percentage points over the same period of the previous year; the average disease leaf rate of powdery mildew was 5.02%, an increase of 2.22 percentage points over the same period of the previous year; The average rate of defective plants was 7.62%, an increase of 2.45 percentage points over the same period of the previous year. At the same time, the meteorological department predicted that the regional rainfall in the city will begin in early April, earlier than normal, the time is wheat, and there is another low-temperature and rainy process in mid-May, which brings great pressure on the prevention and control of scab, so wheat A spray more defense is at the time. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Experts suggest that wheat should be sprayed early and early in all areas: in the middle and late March, choose sunny afternoon, 100 grams of 25% triadimefon + 60 grams of 50% carbendazim + 20 grams of 10% imidacloprid water 30 kg Mix and spray evenly to prevent and control pests and diseases. And after the rain in the first half of April, depending on the incidence of the field, the disease was again controlled in the middle and late stages, and 100 g of potassium dihydrogen phosphate was used as the foliar fertilizer to promote the grain growth. Linyi Fertilizer Network Copyright
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