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2020, 01, No.200 23-30
不同苜蓿品种田间杂草及害虫分布规律研究
基金项目(Foundation): 国家牧草产业技术体系项目(CARS-34); 国家农业环境数据中心项目(ZX03S3202)
邮箱(Email):
DOI: 10.16863/j.cnki.1003-6377.2020.01.005
摘要:

本研究以国内外32个紫花苜蓿品种为试验材料,在新疆呼图壁旱生牧草基地开展杂草及害虫对苜蓿产量的影响试验。结果表明:播种当年甘农5号干草产量最高为11 069.40 kg/hm2,干草产量在10 000 kg/hm2以上的还有冲击波、SR4030、阿迪娜、新牧4号、甘农9号、甘农3号、WL354HQ、中苜1号、北极熊。苗期和分枝期调查不同品种杂草及虫害发生情况,发现试验小区的杂草种类主要为狗尾草、龙葵、灰绿藜,害虫种类为斑蚜、豌豆芽、蓟马,产量靠前的品种试验小区杂草及虫害发生率都较低,且杂草对苜蓿产草量的影响要大于虫害。

关键词: 苜蓿; 杂草; 害虫;
Abstract:

In this study, the influence of weeds and insect pests on alfalfa yield was tested in Xinjiang Hutubi dry grass base by taking 32 alfalfa varieties as test materials. The results showed that the hay yield of Gannong No. 5 was highest(11 069.40 kg/hm2) during the sowing year, other varieties with hay yield of over10 000 kg/hm2 including the followings: Shock Waves, SR4030, Adina, Xinmu No. 4, Gannon No. 9 and No.3, WL354 HQ, Zhongmu No. 1 and Polar Bear. Besides, different species of weeds and insect pests were investigated at the seedling stage and branching stage. It was found that the weed species in the test plot mainly included dogtail, solanum radiata and green quinoa, and the insect pests mainly consisted of spotted aphid, pea aphid and thrips. The incidence of weeds and insect pests in the test plots was low, and the effect of weeds on alfalfa grass yield was greater than that of insect pests.

KeyWords: alfalfa; weed; pest;
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基本信息:

DOI:10.16863/j.cnki.1003-6377.2020.01.005

中图分类号:S451.22;S435.4

引用信息:

[1]梁维维,张荟荟,张学洲等.不同苜蓿品种田间杂草及害虫分布规律研究[J].草食家畜,2020,No.200(01):23-30.DOI:10.16863/j.cnki.1003-6377.2020.01.005.

基金信息:

国家牧草产业技术体系项目(CARS-34); 国家农业环境数据中心项目(ZX03S3202)

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