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利用不同来源的土壤、牛粪等基质对指状节丛孢孢子捕食器官 ( CT)进行了诱导实验 ,发现不同的基质诱导 CT的能力不同 ,不同的菌株产生 CT的能力也不同 ,其中牛粪的诱导效果最好 ,Bst7- 1产生 CT的能力最强 ;牛粪经不同的温度 ( 4 0～ 10 0℃ )处理 10 min,随着处理温度的升高 ,诱导 CT的能力下降 ;牛粪经不同滤纸 ( 0～ 5层 )过滤后 ,随着滤纸层数的增加 ,滤液诱导 CT的能力降低 ;不同的土壤剂量 ( 0 .5～ 10 g)对 CT的诱导无明显差异。
Using different sources of soil, cow manure and other substrates on the section of the Arthropod spore predation organ (CT) induction experiments found that different substrates have different ability to induce CT, different strains have different ability to produce CT, including cow dung Bst7-1 has the strongest ability to produce CT; cow dung can be treated with different temperatures (40 ~ 10 0 ℃) for 10 min, and the ability of inducing CT decreases with the increase of treatment temperature; After filtering with different filter paper (0 ~ 5 layers), the ability of filtrate to induce CT decreased with the increase of filter paper layers. There was no significant difference in the induction of CT between different soil doses (0 ~ 5 ~ 10 g).