过氧乙酸在无土栽培中的应用研究

STUDY ON THE USAGE OF PERACETICACID IN SOILLESS CULTURE

以豌豆为材料进行了过氧乙酸（ＰＡＡ）在无土栽培中的应用研究。０．０３％ＰＡＡ（ｐＨ５．８）能提高萌发率，促进豌豆幼根、幼芽生长，且长势整齐一致。０．０５％ＰＡＡ（ＰＨ５．１）开始降低萌发率，抑制幼根、幼芽的生长，根部出现轻度受害症状。０．１０％ＰＡＡ以上浓度，对生长的抑制作用依次加强，根部出现严重受害症状。在无土栽培中，可用ＰＡＡ杀菌、调节培养液ｐＨ值、提供活性态氧， 进行无公害、绿色食品的生产。

in this paper we studied the usage of peraceticacid(PAA) in soilless culture which took Pisum sativum L. as materials. 0.03% PAA(pH5.8) which can raise germination ratio and make the seedling grow rapidly in the same speed. 0.05%PAA(pH5.1) which begin to lower the germination ratio and inhibit the seedling to grow, what is more, to have slight harmful symptoms in the root. 0.10%PAA and more which have stronger inhibition to the seedling grow, more harmful symptoms in the root. In soilless culture, PAA can be used to kill bacteria. fungi. virus. adjust the pH value of culture liquid and supply the activity oxygen.in order to produce no public hazard, green food.