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 in | Xinan nongye xuebao Vol. 19; no. 3; pp. 418 - 422 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| 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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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
| DOI | 10.3969/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%。 |
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| 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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| Author_FL | ZHAO Xue-qian LIAO Hua-ming |
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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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| 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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