甘蔗黄叶综合症的RT-PCR检测初报

Preliminary report on RT-PCR detection for the yellow leaf syndrome on sugarcane

对2002年12月采自南宁的4个田间症状程度不同的样品作RT-PCR检测,结果表明,A1(粤糖93/159)、A2(粤糖93/159)、B1(CP88/1508)3个样品为阳性,确认田间发生的是甘蔗黄叶综合症(YLS),是我国甘蔗新病害。建议尽快对病害加以控制,并加强甘蔗引用检疫工作。

Four samples which were collected from Nanning, Guangxi in December, 2002 and shown in different symptomatic expressions had deen detected by using RTPCR method. The results showed that samples A1 (Yuetang 93/159), A2(Yuetang 93/159) and B1 (CP88/1508) performed the positive reaction. It could be confirmed that these symptoms were yellow leaf syndrome of sugarcane. It is a new disease of sugarcane in China. So it is important to control this disease and should emphasize the quarantine on sugarcane variety introduction.