论文部分内容阅读
1.软腐病软腐病是叶菜常发性病害之一,棚温高、湿度大易发生。一般可减产约5%,局部严重发生时损失可达30%左右。防治方法:①种子消毒。播种前,用菜丰宁B150~100克拌菜种150克后播种,或用农抗751,按种子量的1%~1.5%拌种,防效颇佳。②加强田管。改平畦为高畦栽培,灌水前先将病株清除棚外销毁。病穴撒生石灰消毒后再浇水。及时消灭地下害虫以减少伤口产生。注意通风降湿,
1. Soft rot Soft rot is one of the most common diseases of leafy vegetables. Generally reduce the yield of about 5%, when the local serious loss of up to 30%. Prevention methods: ① seed disinfection. Before sowing, with Feng Fengning B150 ~ 100 grams of planting 150 grams of sowing, or use of agricultural anti-751, according to the amount of seed 1% to 1.5% seed dressing, control quite good. ② strengthen the field pipe. Change flat 畦 high 畦 cultivation, irrigation before removal of diseased plants shed shed. Sick lime sprinkle water after disinfection. Eliminate underground pests in time to reduce wounds. Pay attention to ventilation and dehumidification,