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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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