(1) In the middle of April, June, early September, and early November, the disease is the peak period after the transplanting of mussel disease, which damages the roots. Underground pests are more conducive to disease. Control methods: 1 per acre with 3911 granules 3 kg fine soil 15 kg mix or 20% methylisothiphos emulsion 0.5 kg add water 2.5 kg sprayed on 15 kg of soil and mix well, spread, into the soil ;2 Regularly irrigating with broad-spectrum and long-acting insecticides, using 40% carbendazim suspension 250g/mu or thiophanate 600g/water 150kg per acre, 50 g per dilution, in early May and June In the middle of each irrigation 1 times. Sodium Erythorbate Fcc Grade,Sodium Erythorbate Powder,Sodium Erythorbate Food Additive,Food Grade Sodium Erythorbate SHANDONG BAISHENG BIOTECHNOLOGY COM , https://www.baishengbioproducts.com
(2) Sclerotinia disease damages the leaves, prone to occur under conditions of low temperature and high humidity, and severe damage from July to August. Control methods: not continuous cropping, in the first half of the onset of disease every IO days or so, 3-4 consecutive times with 1000 times the 50% methyl top market spray.
(3) Insect pests are mainly caused by adult worms and small tigers. Control methods: Eradication of grasses inside and outside the field, piled into small piles, 7-10 days for fresh grass, with bait trapping.