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近年来,随着保护地厚皮甜瓜栽培面积的扩大,复种指数的提高,其根结线虫病害发生区域不断扩大,危害日趋严重。目前山东各地温室大棚的厚皮甜瓜时有发生,一般减产20%~30%,严重的植株矮化甚至死亡,对厚皮甜瓜的产量及品质影响很大。l症状及病原据调查,厚皮甜瓜根...
In recent years, with the expansion of cultivated area of muskmelon in protected areas and the improvement of multiple cropping index, the occurrence area of root-knot nematode diseases has been continuously expanded and the harm is becoming more and more serious. At present, Shandong muskmelon greenhouse muskmelon occur from time to time, the general reduction of 20% to 30%, severe plant dwarfing or even death, the muskmelon yield and quality greatly affected. l symptoms and etiological investigation, thick-skinned melon root ...