Effects of Green Manure on Tomato Bacterial Wilt and the Quantity of Soil Microbial Species

doi:10.7668/hbnxb.2010.S1.070

Abstract

Abstract: The experiment was carried out to study the effects of ploughing in intercropping green manure on the control of soilborne diseases of tomato and the changes of soil microbial species quantity in the open air tomato cultivation. Though intercropping small rape,mustard pimple,coriander,radishes and broccoli as green manuring,the disease incidence of tomato bacterial wilt (Ralstonia solanacearum), yield and quantity of 0－20 cm soil microbial species were analyzed. The results showed that the disease incidence of tomato bacterial wilt decreased significantly and yield increased by 19. 58% significantly of ploughing in intercropping small rape; the disease incidence of tomato bacterial wilt decreased and yield increased by 19. 58% significantly of ploughing in intercropping radish;the disease incidence of tomato bacterial wilt decreased significantly,but little effects on yield of ploughing in intercropping mustard pimple. Green manuring can significantly increase the quantity of fungi and actinomycetes in the plow layer soil,and the number of bacteria showed a slight increase. Therefore,ploughing in intercropping radish and small rape could reduce the incidence of bacterial wilt and improve tomato production.

Key words: Green manure, Intercropping, Ploughing, Incidence rate, Soil microbial species quantity

CLC Number:

DONG Xiao-xia, LIU Zhao-hui, WANG Mei, WANG Xue-jun, ZHENG Dong-feng, SUN Ze-qiang. Effects of Green Manure on Tomato Bacterial Wilt and the Quantity of Soil Microbial Species[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(S1): 309-312. doi: 10.7668/hbnxb.2010.S1.070.

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