论文部分内容阅读
新栽人参退芦烂芽苞是新老参区常见的灾害,轻者损失5～10％,重者损失30％以上。一、退芦烂芽苞的原因1.栽植后土壤水分过多,通透性差。春天出苗前一个月左右土壤水分多、温度低,最易造成退芦烂芽苞。2.栽后土壤干旱,人参吸收不到水分,这时人参芽苞最易失水干枯。3.参苗挑选不严,本身带病(如锈腐病等),在适当条件下会继续发展浸染。4.作业粗放,参根长时间风吹日晒,或者包装运输,整体下须和大堆保管,参苗互相磨擦碰撞,造成份面感染病菌及发热等。二、预防措施1.起参苗要细致,避免碰伤,
Newly planted gourd buds astringent buds old and new ginseng is a common disaster, the light loss of 5 to 10%, severe cases of loss of more than 30%. First, the reasons for the deciduous bud Bud 1. After planting soil moisture, poor permeability. About a month before spring emergence of soil moisture and low temperature, the most likely to cause back bud rotten buds. 2. After planting soil drought, ginseng can not absorb moisture, when ginseng bud most likely to dry water. 3. Senate seedling selection is not strict, itself sick (such as rust rot, etc.), under appropriate conditions will continue to develop infection. 4 extensive operation, root long time wind and sun, or packaging and transportation, the whole under the custody and large pile, Senate seedlings rub each other collisions, resulting in part-infected bacteria and fever. Second, preventive measures 1. Senate should be meticulous to avoid bumps,