LI Zhi-yong,MEI Li-yan.Study on Investigation of Gray Leaf Spot of Maize inHeilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(05):72-74.[doi:10.11942/j.issn1002-2767.2008.05.0072]
玉米灰斑病发生趋势研究
- Title:
- Study on Investigation of Gray Leaf Spot of Maize inHeilongjiang Province
- 文章编号:
- 1002-2767(2008)05-0072-03
- Keywords:
- gray leaf spo t of maize ; incidence ; disease index .
- 分类号:
- S435 .131
- 文献标志码:
- A
- 摘要:
- 对玉米灰斑病在黑龙江省的发生情况进行了调查。结果表明:在2005~ 2007 年调查的玉米品种中未发现对灰斑病免疫的品种;三个年度绝大多数品种的发病率都是100%, 无年度差异;三年间病情指数大多数集中在10 %~ 30 %, 属轻度发生, 年度间差异不明显。
- Abstract:
- The investigatio n was do ne about incidence of g ray leaf spo t of maize in Heilo ng jia ng prov ince .The resultsshowed tha t immune maize v arie ty was no t been found in 2005 , 2006 and 2007;the incidence s of vast majoritymaize varieties w ere 100 %, ther e w as no difference in three year s;the disease inde x wa s mostly in 10%~ 30%in three yea rs .
参考文献/References:
[ 1] 王桂清.玉米灰斑病抗病性研究进展[ J] .沈阳农业大学学报,2000 , 31(5):418-422 .
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备注/Memo
第一作者简介:李志勇(1972-), 男, 黑龙江省绥化市人, 学士, 助理研究员, 从事植物病虫害研究, Tel:0451-86668749 ;E-mai l:harbinlzy @m sn .com 。