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題名 | 黑點根腐病菌對瓜類及茄科蔬菜幼苗生長的影響=Effects of Monosporascus Cannonballus on the Growth of Cucurbit and Solanaceous Vegetable Seedlings |
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作 者 | 蔡竹固; 童伯開; | 書刊名 | 植物病理學會刊 |
卷期 | 6:3 1997.09[民86.09] |
頁次 | 頁123-131 |
分類號 | 435.26 |
關鍵詞 | 洋香瓜; 黑點根腐病; Monosporascus cannonballus; Muskmelon; Root rot/vine decline; |
語文 | 中文(Chinese) |
中文摘要 | 本文報導用殺蟲劑防治銀葉粉蝨對棉花產量和棉花纖維被粉蝨排泄的糖蜜所污染的影響。研究的地點在加卅(皇帝谷)布那列沙漠灌溉研究站,結果顯示棉花生長期中可用殺蟲劑防治粉蝨之為害。粉蝨發生密度與施藥次數成負相關。棉花產量最高和纖維黏度最低時若蟲的密度分別為每平方公分葉片有0.3和1.3隻若蟲。以成蟲數量計算,則分別為棉株主莖上第五葉位葉片有4.1和7.5隻成蟲。於棉花產量及糖蜜污染試驗中以黃色黏蟲板捕獲之成蟲數量和葉片上的相等。 |
英文摘要 | Studies were conducted to determine the effect of chemical control on Bemisia argentifolii Bellows and Perring populations, cotton yield and honeydew lint contamination. Different population densities of B. argentifolii were established with insecticide treatments during the rowing season. The studies were conducted at the Irrigated Desert Research Station, Brawley, CA. The highest cotton lint yields and lowest lint stickiness occurred when B. argentifolii nymph densities were 0.3 and 1.3 nymphs/cm² of leaf disk, respectively or 4.1 and 7.5 adults per leaf turn from fifth main stem node leaves, respectively. Similar value (1.4 adults/cm²) was given for yellow sticky card trap adult catches. |
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