四川省雅安市区常见草坪杂草的调查

从 19971998对雅安市区内冷季型草坪中的杂草进行了调查 ,从而确定冷季型草坪中常见杂草的种类及其出现的规律性。结果表明 ,常见的草坪杂草隶属 2 2科有 37种 ,其中 ,莲子草 (革命草 )(Alternantheraphiloxeroides)、酢浆草 (Oxaliscorniculata)、婆婆纳 (Veronicaagrestis)、车前 (Plan tagoasiatica)、缘毛卷耳 (Cerastiumfurcatum)、繁缕 (Stellariamedia)最为常见 ,它们同时为杂草中的优势种。 45月和 910月是杂草出现的高峰期 ,春末夏初草坪中的杂草种类多、数量大 ,危害最为严重。

The Investigation on Turf Weeds in Ya'an Area

The weeds of cold season turf in Ya'an Area of Sichuan Province were sorted out and the regulanrity of their appearance were studied based on 2 year's investigation. The results show that the 37 common species of turf weeds can be grouped into 22 families. Among them, the major species are Alternanthera philoxeroides, Oxalis corniculata, Veronica agrestis, Plantago asiatica, Cerastium furcatum and Stellaria media, which dominate the weed community. The climax periods of occurrence for weeds are April to May and Sep. to Oct. In late spring and early summer, the weeds can appear in great amout and cause severe damage to the turf.