论文部分内容阅读
在豫教5号小麦新品种整个生育期间病虫害发生的种类较多,如不采取有效的综合防治,会造成不同程度的减产,下面简单介绍一下该品种常见的几种病虫害发生及综合防治措施。一、病害种类介绍1.小麦锈病小麦锈病分为条锈、叶锈、秆锈三种。小麦锈病是典型的高空、气传病害。能以夏孢子随季风往复传播浸染,条件适宜时可造成病害的大面积流行。多雨、多雾或结露条件下,病害发生重;氮肥过多、大水漫灌、群体密度大、田间通风透光不良等都利于锈病发生。2.小麦白粉病该病是目前我国小麦上发生的重要病害之
During the whole growing period of Yujiao 5 new wheat variety, there are many kinds of pests and diseases. If not effective and comprehensive prevention and control will result in different degrees of yield reduction, the following briefly introduces some common pest and disease occurrences and comprehensive prevention and control measures of this variety. First, the introduction of disease types 1. Wheat rust Wheat rust is divided into strip rust, leaf rust, stalk rust three. Wheat rust is a typical high altitude, airborne disease. With summer spores can be transmitted back and forth with the monsoon dissemination, conditions can cause disease when the large-scale epidemic. Rain, fog or condensation conditions, the disease occurred heavy; too much nitrogen, flood irrigation, population density, field ventilation and poor light are conducive to the occurrence of rust. 2. Wheat powdery mildew The disease is an important disease that occurs on wheat in our country