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leaf canopy structure
相关语句
  叶幕结构
     It showed disease resistance had high correlations with grape varieties,nitrogen metabolism,the change of enzymes activity and the content of chlorophyll. However,the relationship of the disease resistance of grape with material metabolism and leaf canopy structure was uncertain.
     葡萄抗病性与品种、氮代谢、酶活性变化和叶绿素有显著相关,但与物质代谢、叶幕结构的相关性目前还存在歧义。
短句来源
  相似匹配句对
     On "Leaf"
     说“葉子”
短句来源
     Modeling for Canopy Leaf Area for Wheat
     小麦群体叶面积的动态模型
短句来源
     Geometry modeling of the maize leaf canopy
     玉米叶片几何造型研究
短句来源
     The leaf is of isobilateral.
     研究结果表明,河南石槲的叶为等面叶;
短句来源
     Canopy Temperature Difference of Mung Bean and Its Leaf Structure Characteristics
     绿豆的冠层温度分异现象及其叶片结构特征
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At present,the disease resistance of grapevine was studied by means of field identification and artificial inoculation,the virus disease was detected by immunological,molecular biology and traditional biology.There were two degrees of standards to identify resistances of grapevine,which were infection type and severity.It showed disease resistance had high correlations with grape varieties,nitrogen metabolism,the change of enzymes activity and the content of chlorophyll.However,the relationship of the disease...

At present,the disease resistance of grapevine was studied by means of field identification and artificial inoculation,the virus disease was detected by immunological,molecular biology and traditional biology.There were two degrees of standards to identify resistances of grapevine,which were infection type and severity.It showed disease resistance had high correlations with grape varieties,nitrogen metabolism,the change of enzymes activity and the content of chlorophyll.However,the relationship of the disease resistance of grape with material metabolism and leaf canopy structure was uncertain.As a result,the disease could controlled through choosing resistant varieties,reinforcing disease-forecasting and using fungicide timely.

目前葡萄抗病研究主要采用田间自然发病调查和人工接种2种方法,病毒病用免疫学、分子生物学和传统生物学检测。葡萄抗病性分级标准有反应型和严重度2种标准。葡萄抗病性与品种、氮代谢、酶活性变化和叶绿素有显著相关,但与物质代谢、叶幕结构的相关性目前还存在歧义。防治技术主要是选用抗病品种、加强测报、及时喷药。

 
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