近年来阿拉尔垦区菟丝子普遍严重发生,尤以大豆、甜瓜、苜蓿和胡萝卜受害最为严重。受害后植株生长极其缓慢甚至枯黄而停滞生长,造成一定的减产。经调查鉴定在阿拉尔垦区发生为害的主要是中国菟丝子,现将其发生过程及防治方法介绍于下: 一、寄主范围 中国菟丝子有极其广泛的寄主,能够寄生在藜、菊、豆、茄、旋花、十字花、伞形花、锦葵以及禾本科等作物和杂草上。栽培作物中以为害苜蓿、大豆、胡萝卜、甜瓜为主,杂草寄主以灰藜、苍耳为主,对禾本科的芦苇也轻度寄生。 In recent years, Aral land reclamation Dodder is generally serious, especially soybeans, melons, alfalfa and carrots most affected. After the victim plant growth is extremely slow or even yellow and stagnant growth, resulting in a certain cut. After investigation and identification in Alar land reclamation area is the main damage to Chinese dodder, now its occurrence process and control methods are introduced below: First, the host range China Dodder has an extremely wide host, can parasitize in the quinoa, chrysanthemum, beans, eggplant, Convolvulus, Crucifera, Umbelliferae, Malvaceae and Gramineae and other crops and weeds. Cultivated crops in order to harm alfalfa, soybeans, carrots, melons based weed host to quinoa, Xanthium-based, grass reed also mild parasitism.