论文部分内容阅读
眼下,小麦即将进入播种期,对小麦危害最大的小麦全蚀病要趁早防治,从根源上防治效果最好。小麦全蚀病是危害小麦的重要病害之一,是一种毁灭性病害,被称为小麦的“癌症”。该病一旦传入,蔓延迅速,很难根除,发病轻者减产10%~20%,重者减产50%以上,甚至绝收。此病在小麦全生育期均可发病,病菌只侵染根部和茎基部1~2节处。幼苗发病后,植株矮化,下部黄叶多、分蘖减少,根茎变成灰黑色,严重时造成全株连片枯死。拔节期冬小麦病苗返青迟
Right now, the wheat is about to enter the sowing period, the most harmful to wheat wheat eclogism should be controlled as soon as possible, from the root causes of prevention and treatment of the best. Total eclipse of wheat is one of the most important diseases that endanger wheat. It is a devastating disease and is called “cancer” of wheat. Once introduced into the disease, rapid spread, it is difficult to eradicate, the incidence of light cut 10% to 20%, heavy cut 50% or more, or even absolute. The disease can be disease during the whole growth period of wheat, the bacteria invade the root and stem base 1 to 2 at the Department. After the emergence of seedlings, plant dwarf, the lower part of the yellow leaves, reduce tillers, rhizomes become gray-black, resulting in serious strain contiguous. Jointing winter wheat disease recovery back sooner