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Control Test of Different Pesticides on Pakchoi Clubroot in Linzhi Area |
YUE Hai-mei1,GONG Wen-feng1,ZHANG Xin-jun2,WANG Mu1*,HE Jian-qing3 |
1Plant Science Department of Tibet Agriculture and Animal Husbandry College,Linzhi 860000,Tibet,China|2Research Institute of Plateau Ecology,Tibet Agriculture and Animal Husbandry College,Linzhi 860000,Tibet,China|3Bio-Technology Center,Tibet Agriculture and Animal Husbandry College,Linzhi 860000,Tibet,China |
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Abstract Used chemical pesticides 75% chlorothalonil WP and 40% carbendazim?thiram WP,biological pesticides Bacillus subtilis EW to control pakchoi clubroot in Linzhi area.The 3 pesticides applying methods were pharmaceutical irrigating,seed dressing and seed dressing+irrigating. The results indicated that 75% chlorothalonil WP seed dressing+irrigating had the most notable control effect,which could be high up to 95.6%.The control effect of biological pesticide Bacillus subtilis EW seed dressing + irrigating were 89.5%,there was no significant difference in control effect with 40% carbendazim?thiram WP seed dressing + irrigating(90.1%).
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Received: 24 March 2011
Published: 07 June 2011
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