马铃薯秋播时常因高温和秋早不易全苗,一般缺苗率30%左右。为保证全苗,秋播时分切种薯,有的还进行催芽,以促进生理活动,加速打破休眠期,提早出苗。但因气温高,有利微生物活动,种薯常自切口处腐烂,造成缺苗。我曾采用不同的处理方法试验,其结果是,以1%消石灰水(纯净石灰粉1斤加清水100斤)浸薯块1小时的效果为好。黔薯5号经石灰 Autumn usually fall because of high temperature and early fall autumn is not easy to seedlings, the general lack of seedling rate of about 30%. In order to ensure the whole seedlings, when the autumn seasons cut seed, and some also carry out germination, to promote physical activity, accelerate the break dormancy, early emergence. However, due to high temperatures, favorable microbial activity, seed often decay from the incision, resulting in lack of seedlings. I have used different treatment methods test, the result is to 1% of hydrated lime water (1 kg of pure lime powder plus 100 kg of water) soaked tuber effect of 1 hour as well. Qianshu 5 by the lime