| 姚万生,雷树武,薛少平.关中地区麦田杂草危害状况及防除对策[J].干旱地区农业研究,2008,(4):121~124 |
| 关中地区麦田杂草危害状况及防除对策 |
| Situation of the wheat weed and preventive countermeasures in Guanzhong wheat region |
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| DOI：10.7606/j.issn.1000-7601.2008.04.23 |
| 中文关键词: 关中地区 麦田杂草 感染危害 防除对策 |
| 英文关键词:Guanzhong area cornfield weeds infectious hazard preventive／cure countermeasure |
| 基金项目:陕西杨凌农业机械化新技术新机具试验示范项目 |
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| 中文摘要: |
| 为摸清目前关中地区麦田杂草种类、分布、感染危害情况,历时3个月对关中地区4市25个县(区)麦田杂草感染危害状况进行全面调查。结果发现,关中地区麦田杂草不仅种类繁多,分布广泛,而且危害普遍严重,其中以播娘篙、猪殃殃、荠菜和节节麦分布最广,危害最严重,平均每平方米分别是93株、84株、21株和19.5株,最多样方分别是1 0421、246、352和256株/m2。因此,麦田杂草防除,应在一定的轮作与土壤耕作的基础上,把各项除草措施综合在一起,以求高效、低投入。 |
| 英文摘要: |
| Winter wheat is the prime food crop in Guanzhong area of Shaanxi Province．Weed disease is one of the main factors that limit the amount and stability of the wheat yield．In order to figure out the species and distribution／infection situation of the cornfield weed in this area it took3months to carried out one thorough investigation which covered25counties in Guanzhong area．And the result indicated that weeds in Guanzhong cornfield are not only various but also widely distributed which lead to serious harm．Among the weeds the most popular and harmful ones are celery wormwood cleavers shepherd’s-purse and oat grass with the average coverage in 1m2 being 93 84 21 and 19．5 plants and the densest coverage can reach 1042，1246，352 and 256plants／m2．Therefore several weeding measures should be combined based on certain rotating farming and soil tillage to reach the high efficiency and low cost. |
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