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6月上旬至中旬(芒种～夏至) 大豆生育期:播种期。栽培目标:创造苗全、苗壮的良好条件。防治对象:主治大豆胞囊线虫病,兼治一代豆秆蝇。防治技术: 1.防治适期:夏播大豆胞囊线虫在豫东一年发生四代。从播种到幼虫侵入,一般为3天,完成一个世代为21~27天。由于在大豆播种后三天幼虫便可侵入,因此防治的时机应在播种期。防治重点是沙土地和连作玉又田。 2、防治方治:(1)选用耐病品种:商丘7608、
Early June to mid-season (species ~ summer solstice) Soybean growth period: sowing period. Cultivation goal: to create Miao Quan, Miao Zhuang good conditions. Control object: Indications Soybean cyst nematode disease, and cure a generation of flies. Prevention and treatment techniques: 1. Prevention and control of the appropriate period: Summer Soybean cyst nematode occurs in the East four times a year. From seeding to larvae invade, usually 3 days, to complete a generation of 21 to 27 days. Since larvae can invade three days after sowing, the timing of control should be at the sowing date. Prevention and control is the focus of sand and jade and field. 2, prevention and treatment of prescriptions: (1) the selection of disease-resistant varieties: Shangqiu 7608,