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葡萄黄化落叶病，是我国南方葡萄的生理病害，流行为害颇大，其主要症状是大量落叶影响光合作用，使葡萄果实品质下降，成熟期延迟。病因：南方雨季集中在春夏季节而其时间偏长，骤然转入高温气候，根部生态环境不适应，造成蒸腾与吸收水分失调而引起的。防治方法：改善根部生长环境、增施有机质肥料，地膜覆盖，培养优良树相，喷施防护剂，适当控制产量。
Grape yellow deciduous disease is the physiological disease of grapes in southern China, the epidemic is quite large, the main symptoms are a large number of deciduous photosynthesis, the decline of grape fruit quality, delayed maturation. Etiology: Southern rainy season concentrated in the spring and summer seasons but its time is too long, suddenly transferred to a hot climate, root ecological environment does not adapt to cause transpiration and absorption of water imbalance caused. Prevention and treatment methods: to improve the growth environment of the roots, the application of organic fertilizer, mulching, cultivating good tree, spraying protective agent, the appropriate control of yield.