評估亞磷酸防治葡萄主要病害之效果

Control of Major Grape Diseases with Phosphorous Acid

劉興隆(Hsing-Lung Liu) ； 趙佳鴻(Chia-Hung Chao) ； 沈原民(Yuan-Min Shen) ； 吳世偉(Shih-Wel Wu)

《臺中區農業改良場研究彙報》 106期 (2010/03) Pp. 55-64

https://doi.org/10.6956/BTDAIS.201003.0055

摘要

自2005年至2009年多次於田間測試亞磷酸溶液對葡萄主要病害預防效果；於巨峰葡萄萌芽後約5片葉子，每星期噴施1次500倍亞磷酸溶液（2 g /l），結果發現500倍亞磷酸溶液處理區之葡萄露菌病及白粉病發生輕微甚至未發生，而對照區則發生嚴重，多次試驗結果皆顯示葡萄經施亞磷酸溶液，可有效防治露菌病及白粉病，另試驗結果顯示亞磷酸處理區及對照區之銹病及晚腐病罹病率差異不顯著。葡萄栽培期間連續使用500倍亞磷酸溶液，在完全不用防治白粉病及露菌病藥劑下，可有效預防葡萄白粉病及露菌病發生，然此期間必須使用其它方法防治葡萄銹病及晚腐病，才能有效控制葡萄所有主要病害發生。

關鍵字

葡萄 ； 亞磷酸 ； 露菌病 ； 白粉病 ； 防治

並列摘要

Apply phosphorous acid on Kyoho grape to prevent serious grape diseases studied from year 2005 to 2009. The grape plants with five leaves were used to this study. Moreover, downy mildew and powdery mildew of grape did not outbreak under one-week-interval application of phosphorous acid solution at a concentration of 500× (2 grams per liter). Among this research, control plants with no phosphorous acid treatment showed serious symptom caused by downy mildew and powdery mildew. The repeated experiments confirmed that phosphorous acid is useful to control downy mildew and powdery mildew. However, phosphorous acid is not efficacy for controlling rust and ripe rot diseases in grape. Management of major grape diseases could be accomplished by using 500× phosphorous acid continuously to prevent downy mildew and powdery mildew. Additional control methods should be integrated to prevent rust and ripe rot of grape.

並列關鍵字

grape ； phosphorous acid ； downy mildew ； powdery mildew ； control