【摘要】 本文对河北省昌黎县今年新出现的大棚番茄灰霉病进行了调查研究,该痛害的病原,可侵染番茄所有地上部位,包括茎、叶、花、果实。发病盛期在2月下旬至4月上旬。高湿是病害流行的主导因子,病害发生的程度直接影响到产量的高低。化学防治适期应在发病初期(苗期),最佳药剂为速克灵。更多还原

【Abstract】 According to the investigation done on tomato grey mould which appeared this year in greenhouse in Changli county, Hebei province, the authors reach a conclusion: The diseaseproducing germ of this disease can infect all organs of tomato above the ground including the stem, the leaf, the flower and the fruit. The disease reging period is from the last ten days in February to the first ten days in April. High tempersture is the main course of the disease affects directly the yield. Chemical control should be in the early days of the disease(seedling stage). The best madicament is SU KE LING.更多还原