辽宁熊岳地区果园杂草发生规律调查研究

以辽宁农业职业技术学院果树标本园园区作为试验地,对辽宁熊岳杂草发生规律进行调查研究。结果发现:园内杂草有19种,分属于12科,其中菊科杂草的发生种类最多,占45%;其次为禾本科杂草,占36.4%。果园杂草的出现有三个高峰期,分别集中在5月下旬、6月下旬、7月中旬。

Study on the Occurrence Regularity of Weeds in Orchards in Xiongyue Town of Liaoning Province

In order to make clear the species and emergence regularity of weeds in orchard in Xiongyue area,the author chose orchard in Liaoning Agricultural Vocational College as a test site to study it. The results showed that there are 11 series of 19 species of weeds in the orchard ; Compositae weeds occurs in most species,accounting for 45%; The second one is gramineous weeds,accounting for 36.4%. There are four peaks of sprout which are late May,late June,mid July and mid August.