摘要
木霉菌剂应用技术对辣椒枯萎病的防效、根际木霉和病原尖孢镰刀菌的种群数量和寄主的根重都有影响。盆栽试验移栽时用菌加米糠(1∶12.5)沾根和600 倍菌液灌根的防效分别为80% 和60% ;两处理和对照的根际木霉种群数量和平均根重分别为18.60,2.41,0.28×106cfu/g 和0.43,0.38,0.37 g;田间试验结果与盆栽一致。用上述剂量沾根,每1 hm 2 用菌剂1.5 kg 即可有效防治辣椒枯萎病。
The application technology of Trichoderma harzianum affected the efficiency on controlling hot pepper wilt caused by Fusarium oxysporum, the population of the pathogen and the antagonist in rhizosphere, and root weight of the host. The efficiency of root treated by T.harzianum preparation mixed with rice bran (1∶12.5 w/w)and 1∶600× T.harzianum preparation liquor were 80% and 60%; The population amount of T.harzianum in rhizosphere and average root weight of the two treatments and control were 18.60 , 2.41 , 0.28 ×10 6 cfu/g root weight and 0.43 , 0.38 , 0.37 g respectively in pot culture test. Same result were achieved in field experiment of root treated with Trichoderma preparation (1.5 kg/ha) mixed with rice bran.
出处
《贵州农业科学》
CAS
1999年第5期1-4,共4页
Guizhou Agricultural Sciences
关键词
哈茨木霉
尖孢镰刀菌
应用技术
辣椒
枯萎病
Trichoderma harzianum
Fusarium oxysporum
application technology
hot pepper
