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果树紫纹羽病和白纹羽病都是果树根部病害,可侵害梨、桃、苹果、枇杷等多种果树,还可侵害多种经济作物、蔬菜和林木,已成为我县为害青赤花梨的最主要的病害,为害严重的可使全株死亡,给生产上造成一定的损失,必须采取有效措施,进行综合治理。 一、果树紫纹羽病 1.主要症状:该病病原菌为卷担子菌属紫纹羽菌,属担子菌亚门。发病部位为根部和接近地面的树干基部。被害根的表面初期产生紫红色菌丝,并集结成中央致密、外面疏松的菌索。菌索在根表面蔓延,继而产
Fruit tree purple pattern feather disease and white pattern feather disease are the root of fruit trees disease, which can be infested pear, peach, apple, loquat and other fruit trees, but also against a variety of cash crops, vegetables and trees, Of the main diseases, serious damage can make the whole plant died, resulting in some loss of production, we must take effective measures to carry out comprehensive management. First, the fruit tree purple feather disease 1. The main symptoms: The pathogen for the burden of the burden of fruiting bacteria purple fritillary bacteria, is a basidiomycotina. The incidence of the root and the trunk of the ground near the ground. Victims of the root surface of the early generation of purple mycelium, and gathered into a dense central, loose loose outside the cable. Strains of bacteria spread on the root surface, and then produce