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小麦为山东省重要粮食作物,常年种植面积在5500万亩左右。总产量5000多万吨。我省小麦整个生长期均受杂草危害,杂草与小麦争光、争水、争养分,是影响小麦产量的重要因素之一,可造成小麦减产10%~20%,严重危害地块可造成小麦减产50%以上。我省小麦田杂草种类繁多,据山东省农科院植保所杂草研究室于2008年11月~2009年3月1038个地块,9342个调查样点,以及2013年11月~2014年3月再次
Wheat is an important grain crop in Shandong Province. Its perennial planting area is about 55 million mu. The total output of more than 50 million tons. We wheat throughout the growing season are weeds hazards, weeds and wheat glory, fight for water, fight points, is an important factor affecting the yield of wheat, wheat can be reduced by 10% to 20%, causing serious damage to plots Wheat cut more than 50%. Weeds in a small variety of wheat fields in our province, according to the Institute of Weed Research, Institute of Plant Protection, Shandong Academy of Agricultural Sciences in November 2008 ~ March 2009 1,038 plots, 9,342 survey samples, and November 2013 ~ 2014 March again