放线菌153菌株的定殖和促生效果研究

研究放线菌菌株153对番茄和茄子的促生效果、基本促生机制以及在植株体内的定殖规律。结果表明,不同菌液浓度的153发酵菌液对种子萌发和芽的生长均具有促进作用,且对植株的生长性状有明显的影响,对植株鲜质量和干质量的影响最显著,鲜质量和干质量分别比对照增加114.69%、99.75%和124.06%、96.60%。放线菌菌株153在番茄、茄子根际及体内都可稳定定殖;14~30 d之间,153在植株根内及茎内的定殖数量随时间推移基本不变,菌量分别保持在104和103cfu/g。放线菌153可通过定殖提高植株体内的叶绿素含量以及根系还原强度而促进番茄和茄子的生长。

Study on Colonization and Promotion Growth of Actinomycetes Strain 153

This study aimed at the effect and mechanism of promoting growth about eggplant and tomato by actinomycetes 153 and colonization in plants.The results showed that the different concentration of strain 153 spore suspension promoted seed germination and bud growth.Moreover,actinomycetes 153 could stimulate growth of tomato and eggplant.The fresh weight and dry weight of the plants which treated by different concentration of strain 153 spore suspension were increased by 114.69%,99.75% and 124.06%,96.60% respec...