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水稻纹枯病是水稻产区的三大病害之一,发生非常普遍。俗称“花杆”、“烂脚瘟”、“眉目斑”等。该病一般减产10～30％,如果引起倒伏、烂秆可减产50％以上。随着我省水稻面积的不断扩大,同时在栽培上采用密植、多肥的高产措施和矮秆多穗高产良种等。稻株生长茂密、病害有逐年严重的趋势。此病除危害水稻外,在自然情况下还能侵害玉米、大
Rice sheath blight is one of the three major diseases in rice producing areas, and it is very common. Commonly known as “flower bar”, “rotten foot plague”, “eyebrow spot” and so on. The disease generally cut 10 to 30%, if caused by lodging, bad stalk can cut more than 50%. With the continuous expansion of rice area in our province, at the same time in the cultivation of the use of close planting, fertilizer and high-yielding measures dwarf and more ears and more high-yielding varieties. Rice plants grow dense, diseases have a serious trend year by year. In addition to endangering the disease of rice, in natural conditions can also infringe corn, large