四川省利用水稻品种多样性间栽技术持续控制稻瘟病

2002—2005年利用水稻品种多样性间栽控制稻瘟病技术在四川省18个市(州)113个县累计推广145.9×10^4hm^2,选用杂交稻和播稻品种搭配组合517个。结果表明,间栽播稻的平均发病率比净栽播稻下降56.97%,病情指数下降66.38%,控制有效率在22%~97%之间。间载杂交稻的平均发病率比净栽杂交稻下降28.95%,病指下降37.09%,控制有效率在32%~57%之间。其中杂播品种最佳组合为黄壳摇×川香优2号。竹丫谷×宜香优1577。4年水稻的平均复合产量为9598kg/hm^2,比净栽杂交稻提高产量7281kg/hm^2,增长8.68%。...

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Published inXinan nongye xuebao Vol. 19; no. 3; pp. 418 - 422
Main Author 赵学谦 廖华明
Format Journal Article
LanguageChinese
Published 四川省农业厅,四川,成都,610041%四川省农业厅植物保护站,四川,成都,610041 2006
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ISSN1001-4829
DOI10.3969/j.issn.1001-4829.2006.03.016

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Abstract 2002—2005年利用水稻品种多样性间栽控制稻瘟病技术在四川省18个市(州)113个县累计推广145.9×10^4hm^2,选用杂交稻和播稻品种搭配组合517个。结果表明,间栽播稻的平均发病率比净栽播稻下降56.97%,病情指数下降66.38%,控制有效率在22%~97%之间。间载杂交稻的平均发病率比净栽杂交稻下降28.95%,病指下降37.09%,控制有效率在32%~57%之间。其中杂播品种最佳组合为黄壳摇×川香优2号。竹丫谷×宜香优1577。4年水稻的平均复合产量为9598kg/hm^2,比净栽杂交稻提高产量7281kg/hm^2,增长8.68%。
AbstractList 2002—2005年利用水稻品种多样性间栽控制稻瘟病技术在四川省18个市(州)113个县累计推广145.9×10^4hm^2,选用杂交稻和播稻品种搭配组合517个。结果表明,间栽播稻的平均发病率比净栽播稻下降56.97%,病情指数下降66.38%,控制有效率在22%~97%之间。间载杂交稻的平均发病率比净栽杂交稻下降28.95%,病指下降37.09%,控制有效率在32%~57%之间。其中杂播品种最佳组合为黄壳摇×川香优2号。竹丫谷×宜香优1577。4年水稻的平均复合产量为9598kg/hm^2,比净栽杂交稻提高产量7281kg/hm^2,增长8.68%。
S511; 2002~2005年利用水稻品种多样性间栽控制稻瘟病技术在四川省18个市(州)113个县累计推广145.9×104hm2,选用杂交稻和糯稻品种搭配组合517个.结果表明,间栽糯稻的平均发病率比净栽糯稻下降56.97%,病情指数下降66.38%,控制有效率在22%~97%之间.间栽杂交稻的平均发病率比净栽杂交稻下降28.95%,病指下降37.09%,控制有效率在32%~57%之间.其中杂糯品种最佳组合为黄壳糯×川香优2号,竹丫谷×宜香优1577.4年水稻的平均复合产量为9598kg/hm2,比净栽杂交稻提高产量728kg/hm2,增长8.68%.
Author 赵学谦 廖华明
AuthorAffiliation 四川省农业厅,四川成都610041 四川省农业厅植物保护站,四川成都610041
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LIAO Hua-ming
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Keywords 生物多样性
稻瘟病
产量
水稻
间栽
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Notes rice (Oryza sativa L. ); rice blast (Pyricularia grisea Sacc. ); intercmp; biodiversity; yield
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rice blast (Pyricularia grisea Sacc. )
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Publisher 四川省农业厅,四川,成都,610041%四川省农业厅植物保护站,四川,成都,610041
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Snippet 2002—2005年利用水稻品种多样性间栽控制稻瘟病技术在四川省18个市(州)113个县累计推广145.9×10^4hm^2,选用杂交稻和播稻品种搭配组合517个。结果表明,间栽播稻的平均发...
S511; 2002~2005年利用水稻品种多样性间栽控制稻瘟病技术在四川省18个市(州)113个县累计推广145.9×104hm2,选用杂交稻和糯稻品种搭配组合517个.结果表明,间栽糯稻的平均发...
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StartPage 418
SubjectTerms 产量
水稻
生物多样性
稻瘟病
间栽
Title 四川省利用水稻品种多样性间栽技术持续控制稻瘟病
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