杂草科学
雜草科學
잡초과학
WEED SCIENCE
2014年
4期
20-23
,共4页
赵浩宇%向金友%谢冰%张吉亚%杨懿德%杨洋%周小刚
趙浩宇%嚮金友%謝冰%張吉亞%楊懿德%楊洋%週小剛
조호우%향금우%사빙%장길아%양의덕%양양%주소강
宜宾市%烟田%杂草%种类%危害
宜賓市%煙田%雜草%種類%危害
의빈시%연전%잡초%충류%위해
Yibin%tobacco field%weeds%species%damage
采用倒置“W”九点取样法对四川省宜宾市烟田杂草的种类、分布及危害进行调查。结果表明，宜宾市烟田杂草共有33科94属124种，其中发生频度较高的为马唐、铁苋菜、辣子草、尼泊尔蓼、马兰、艾蒿。根据相对多度和杂草危害级值划分，宜宾市烟田危害最严重杂草为马唐、尼泊尔蓼、空心莲子草、无芒稗和鸭跖草。
採用倒置“W”九點取樣法對四川省宜賓市煙田雜草的種類、分佈及危害進行調查。結果錶明，宜賓市煙田雜草共有33科94屬124種，其中髮生頻度較高的為馬唐、鐵莧菜、辣子草、尼泊爾蓼、馬蘭、艾蒿。根據相對多度和雜草危害級值劃分，宜賓市煙田危害最嚴重雜草為馬唐、尼泊爾蓼、空心蓮子草、無芒稗和鴨蹠草。
채용도치“W”구점취양법대사천성의빈시연전잡초적충류、분포급위해진행조사。결과표명，의빈시연전잡초공유33과94속124충，기중발생빈도교고적위마당、철현채、랄자초、니박이료、마란、애호。근거상대다도화잡초위해급치화분，의빈시연전위해최엄중잡초위마당、니박이료、공심련자초、무망패화압척초。
Species,distribution and damage of weeds were surveyed by sampling nine plots according to a“W” pattern in tobacco fields in Yibin.A total of 124 weeds belonging to 121 genera of 33 families composed the high frequency flora—Digitaria sanguinalis ( L.) Scop.,Acalypha australis L.,Galinsoga parviflora Cav.,Polygonum nepalense Meisn.,Kalim-eris indica ( L.) Sch.-Bip.and Artemisia argyi Levl.et Vant.The most serious weeds according to their relative abun-dance and level of infestation to crops were D.sanguinalis,P.nepalense,Alternanthera philoxeroides ( Mart.) Griseb, Echinochloa crus-galli ( L.) and Commelina communis L..
