石河子地区寄生性杂草菟丝子的种类鉴定

摘要

[目的]明确石河子市及周边植物地区上寄生性杂草菟丝子的种类,为其科学防除、有效监控提供依据.[方法]在石河子市内及其周边不同寄主上采集菟丝子茎、花和成熟、饱满的种子,采用形态学特征观察及ITS、rbcL、trnL-F序列分析对其进行鉴定.[结果]经形态学特征观察结合ITS、rbcL、trnL-F序列分析结果将37份菟丝子样品鉴定为2个种,分别为单柱菟丝子(Cuscuta monogyna)和田野菟丝子(Cuscuta campestris).[结论]单柱菟丝子和田野菟丝子是新疆石河子地区的主要危害种.%[Objective] In order to identify the species of Cuscuta in Shihezi area and its surroundings in the hope of providing the basis for scientific control and monitoring of Cuscuta.[Method]Stems,flowers and mature,plump seeds of Cuscuta were collected from different host species in Shihezi area and its surrounding and morphology characteristics and ITS,rbcL,trnL-Fgene sequences were used to identify Cuscuta.[Result]A total of 37 samples of Cuscuta were identified as two Cuscuta species,Cuscuta campestris and Cuscuta monogyna based on the result of morphology and ITS,rbcL,trnL-Fgene sequences analysis.[Conclusion]The main Cuscuta species in Shihezi are Cuscuta campestris and Cuscuta monogyna.