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施肥对二化螟和稻曲病发生及水稻产量的影响

Hubei Agricultural Sciences(2008)

Cited 23|Views29
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Abstract
以超级稻38S/0293为材料,研究了习惯施肥(XG)、单质配方施肥(DZ)、复合配方施肥(FH)、不施肥(CK)4种处理对二化螟和稻曲病发生及水稻产量的影响。结果表明,二化螟危害引起的白穗率由高到低的顺序是FH>XG>DZ>CK,3种施肥处理的螟害率均显著高于CK;稻曲病病穗率由高到低的顺序是XG>DZ>FH>CK,XG的病穗率显著高于FH和CK,XG与DZ之间以及DZ与FH之间病穗率差异不显著;产量由高到低的顺序是FH>DZ>XG>CK,FH与DZ、CK与XG之间没有显著性差异,FH和DZ均显著高于XG和CK。
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Key words
fertilization,yield,striped stem borer,rice false smut
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