百合生理性萎蔫病病株先从叶缘开始干枯,向内逐渐扩展,最后整株叶片干枯死亡,干枯叶片上见不到任何病症,茎秆仍为绿色,柔软且不倒。防治方法:选好地,施足充分腐熟有机肥。百合鳞茎肥大的较耐旱,但仍需供给充足的水分,适当保持土壤湿润,雨后及时排除积水,防止生理干旱发生。现蕾期及时摘除花蕾,增强抗病力。百合黄化病百合近熟期时叶、茎早黄,严重时全株黄化 Physiological wilting disease lily plant began from the leaf margin began to dry, inward gradually expanded, the last leaf blight dead, withered leaves do not see any illness, the stem is still green, soft and not down. Prevention and treatment methods: Select well, Shi enough fully decomposed organic fertilizer. Lily bulb hypertrophy more drought-tolerant, but still need to supply adequate moisture, appropriate to keep the soil moist, rain and water after the timely rule out to prevent physiological drought. Bud bud in time to remove buds and enhance disease resistance. Lily yellow disease lily nearly mature leaves, stems early yellow, severe yellowing of the whole plant