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《China Rice》 2016-01
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Adaptability of Prevention and Control Techniques for Increasing Rice Income and Reduc-ing Pesticide Usage on Main Diseases and Insect Pests in Rice

LIU Jianping;TANG Tao;LIU Ducai;QIU Fajin;ZHAO Mingping;WU Yuanguo;Hunan Plant Protection Institute;Hunan Province Jianghua Agricultural Bureau;Hunan Province Liling Agricultural Bureau;  
Large scale field trials were conducted to investigate the adaptability of prevention and control techniques for increasing rice income and reducing pesticide usage on main diseases and insect pests in rice(hereinafter referred to as the new techniques)in Jianghua(outbreak area of Southern rice black-streaked dwarf virus(SRBSDV))and Liling(mechanical transplanting rice area) in2014. The results showed that the main diseases and insect pests, including SRBSDV, Rhizoctonia solani(Kühn), Cnaphalocrocis medinalis(Guenée), Chilo suppressalis(Walker) and Nilaparvata lugens(Stal)could be prevented and controlled effectively, and the control efficacies were 95.70%~100.00%, 60.36%~84.84%, 80.73%~90.41%, 95.77% and 74.31%~82.06%, respectively. Pesticide usage of the new techniques was reduced by 55.62%~78.25% compared with the normal techniques. However, the rice income from the new techniques was increased by 209.73~289.35 yuan/hm2 compared with the normal techniques.
【Fund】: 湖南省超级稻研究与开发专项资金;; 农业部“先正达农业科教及农村发展基金”项目(syn-001)
【CateGory Index】: S435.11
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