摘要
摘要:为了解杂草种类,明确除草主攻目标、制订适宜的防治对策进行了杂草种类调查。昭通亚麻种植地中杂草种类有21科46属65种,其中禾本科草占12.3%,阔叶草占87.7%;一年生草占29.2%,多年生草占70.8%,大爪草、各种香青、尼泊尔蓼、各种委陵菜、小酸模从数量及分布上都是亚麻种植区的优势种群。
In order to understand the kinds of weeds, and make effective measures to control them, the weed species in flax fields were investigated in Zhaotong, Yunnan province. The weeds were grouped into 21 families, 46 genera, 65 species. Of which grass family accounted for 12. 3% , broadleaf weeds accounted for 87.7%, annual grasses accounted for 29. 2%, perennial grasses accounted for 70. 8%. Spergula arvensis, Anaphalis sp. , Polygonum nepalense, Rumex acetosella, Potentilla sp. were the domi-nant groups.
出处
《中国麻业科学》
2013年第3期159-162,共4页
Plant Fiber Sciences in China
基金
云南省重点新产品开发计划--农业(2012BB18)
关键词
亚麻田
杂草种类
调查
云南昭通
flax field
weed species
survey
Zhaotong, yunnan