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《Guizhou Agricultural Sciences》 2008-06
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Application of 6% Ascorbic Acid WA in Tobacco

GU Ji-lun1,XIANG Zhang-min2,HUANG Rong-mao3*,WU Ying-jian4,WANG Yuan-hui4(1.Weng'an Agricultural Bureau,Weng'an,Guizhou 550400;2.Guizhou Tobacco Institute,Guiyang,Guizhou 550003;3.Centers for Research and Development of Fine Chemicals,Guizhou University,Guiyang,Guizhou 550025;4.Weng'an Tobacco Company,Weng'an,Guizhou 550400,China)  
6% ascorbic acid WA was used in tobacco to study the effects on leaf area,leaf dry weight,ratio of high-rate leaf and disease index of TMV.The results showed that 6% ascorbic acid WA could promote tobacco growth and development and improve its adverse resistance and immunity,and the leaf area,leaf dry weight and ratio of high-rate leaf increased by 14.0%,4.2% and 2.7% compared with CK respectively,and the rate of controlling TMV was up to 90.7%,which indicates that 6% ascorbic acid WA can be popularized in tobacco production on a large scale.
【Fund】: 国家科技成果重点推广计划项目“绿色新农药推广”(2004EC000313)
【CateGory Index】: S435.72
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