1谷子倒伏的危害及造成倒伏的原因倒伏是造成减产的一个重要因素。倒伏不仅可使作物的产量品质降低,同时造成收获困难,甚至绝收。引起谷子倒伏的原因包括内因和外因两个方面,内因主要是指品种特性因素,外部原因主要包括灾害性天气(如狂风、暴雨、冰雹等),栽植密度、施肥、病虫害等因素。倒伏多发生在谷子拔节后生育的中后期,因此谷子拔节后的茎秆质量对倒伏与否起到关键的作用。影响茎秆抗倒性的指标如下:1.低位节间扁平度。一般来说 1 Harm of millet lodging and causes of lodging lodging is an important factor in reducing production. Lodging can not only reduce the yield and quality of crops, but also lead to difficulties in harvesting and even harvesting. The causes of the fall of millet include internal and external factors. The internal factors mainly refer to the characteristics of breeds. The external causes mainly include the disastrous weather (such as wind, heavy rain and hail), planting density, fertilization, pests and diseases and other factors. Lodging occurred in the mid-late post-jointing millet millet, the stalk quality after millet jointing or play a key role in the lodging. The indicators that affect the lodging resistance of stems are as follows: 1.Low internode flatness. In general