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《HEILONGJIANG AGRICULTURAL SCIENCE》 1994-05
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Study on the Control of Potato Late Blight by Using Metalaxyl Granule

Wang Ren gui;Liu Lihua;Xia Ping(Potato Institute, Heilongjiang Academy of Agr Sei.)  
The efficacy of metalaxyl granule made of different materials on the control of potato late blight was Studied in two consecutive years. The field-plot experiment demonstrated that all three type of metulaxyl granule applied to the root produced better control on late blight disease than the metalaxyl spraying. Among the three type of metalaxyl granule, namely meralaxyl-charcoal, metalaxyl cinder powder and metalaxyl with mixture of charcoal and cinder powder, use of metalaxylwih mixture of charcoal and cinder powder led to the best control of the disease and highest yield increase even at late growing season, the disease controling efficiency was still above 70% which resuled in 679kg per mu increase of potato production compairing to the control plot without using any chemicals for disease control. No significant yield difference was found between the plots utilizing the granule made with either charcoal or cinder powder. The disease control efficiency of using cinder powder granule decreased with the reduction of active agent concentration contained in the granule. A comprehensive economic analysis of using cinder powder granule showed that applying 200g of metalaxyl mixed with 10kg cinder powder would be the practical one for future extension in Heiongjiang province.
【Fund】: 1993年度黑龙江省农科院资助课题
【CateGory Index】: S435.32
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【Co-references】
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10 Wang Ren gui;Liu Lihua;Xia Ping(Potato Institute, Heilongjiang Academy of Agr Sei.);Study on the Control of Potato Late Blight by Using Metalaxyl Granule[J];黑龙江农业科学;1994-05
【Secondary References】
Chinese Journal Full-text Database 9 Hits
1 LI Wei;FAN Gang-qiang;WANG Qing-hui;YANG Song-lin;South-East Guizhou Plant Protection and Quarantine Station;Huangping Plant Protection and Quarantine Station;;Late Blight Resistance of Partial Main Varieties of Potato[J];生物灾害科学;2017-03
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6 LIU Ling-ling;GOU Jiu-lan;QIN Song;Guizhou Institute for Soil and Fertilizer,Guizhou Institute for Agricultural Resources and Environment;Guizhou University Guiyang;Guizhou Province Engineering Research Center for Agricultural Resources and Environment;Field Monitoring Experimental Station for Cultivated Land Preservation and Agro -environment in Guizhou,Ministry of Agriculture of China;;Research Progress of Potato Late Blight[J];耕作与栽培;2016-02
7 Wang Teng;Min Fanxiang;Guo Mei;Yang Shuai;Gao Yunfei;Jin Guanghui;Ma Shuang;Heilongjiang Bayi Agricultural University;Institute of Plant Virus-free Seedlings,Heilongjiang Provincial Academy of Agricultural Sciences;;Mating type and metalaxyl sensitivity test of Phytophthora infestans in Heilongjiang Province[J];植物保护;2016-01
8 WANG Peng;GUO Tianshun;LI Fangdi;HE Erliang;XIE Weiqing;QI Xiaodong;YANG Chen;DOU Junhuan;ZHAO Zhongliang;ZHAO Wentao;SONG Yi;L Tai;Tianshui Institute of Agricultural Sciences;;Application of Monitoring and Early Warning Model for CARAH Potato Late Blight in Tianshui[J];甘肃农业科技;2015-09
9 YOU Wenyu;LIANG Yandong;SU Yi;PANG Sen;Beijing Mesa Tech Co. Ltd.;College of Sciences, China Agricultural University;;Analysis of Control Efficacy of 250 g/L Azoxystrobin SC on Potato Late Blight in Different Areas[J];中国马铃薯;2015-03
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