我省夏秋蚕饲养量常占全年养蚕数的70%左右,产茧量占全年的60%以上,因此夺取夏秋茧优质高产,对发展我省蚕桑生产有举足轻重的作用。要养好夏秋蚕,夺取夏秋桑叶优质高产又是基础和关键。夏秋季气温多变,温度和湿度常常超出蚕的生理适温适湿范围,不利于蚕的正常生长发育。如果再 The amount of summer and autumn silkworms kept in our province accounted for about 70% of the annual number of sericulture, cocoon production accounted for more than 60% of the year, so to seize summer and autumn cocoon high yield, sericulture production in our province play a decisive role. To support the summer and autumn silkworm, snatching mulberry leaf summer is the basis of high quality and yield is the key. Changes in temperature in summer and autumn, temperature and humidity are often beyond the scope of silkworm physiology suitable temperature and humidity, is not conducive to the normal growth and development of silkworm. If so