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首页> 外文期刊>The Kasetsart Journal >Effect of Intercropping on Potato Late Blight, Phytophthora infestans (Mont.) de Bary Development and Potato Tuber Yield in Ethiopia
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Effect of Intercropping on Potato Late Blight, Phytophthora infestans (Mont.) de Bary Development and Potato Tuber Yield in Ethiopia

机译：间作对埃塞俄比亚马铃薯晚疫病，疫疫疫霉和马铃薯块茎产量的影响

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The study assessed the effect of intercropping on potato late blight, Phytophthora infestans disease epidemiology and potato tuber yield. The experiment was conducted at two locations in Ethiopia. Potato Solanum tuberosum (L) was intercropped with garlic, Allium sativum (L), at the ratios of 1:1; 1:2; 1:3; 2:1 and 3:1 plant population. These treatments were compared with fungicide (Dithane M-45) sprayed and unsprayed monoculture potato plant with respect to disease development and potato tuber yield. An improved potato variety (Wechecha), CIP-392640.513 clone and local susceptible variety were used for the study. The experiment was conducted in two factorial randomized complete block design with three replications. The results prevailed that, all potato-garlic ratios exhibited superior performance when compared to the fungicide unsprayed treatment. Among the proportions, 75% garlic with 25% potato (3:1) intercropped plots showed significantly (p< 0.05) low disease development and high tuber yield. Moreover, at 3:1 combination of garlic to potato the land equivalent ratio (LER) was greater than 1 and the monetary values were high at both testing sites. Significant (p < 0.05) differences were also observed among potato varieties with regards to the disease development and tuber yield. The study also demonstrated that fungicide treatment provided significant low (p < 0.05) disease development and higher potato tuber yield when compared to the untreated monoculture control treatment. The findings of this study suggested garlic as a potential intercropping plant for the management of potato late blight disease under Ethiopian condition.
机译：该研究评估了间作对马铃薯晚疫病，疫霉疫病流行病学和马铃薯块茎产量的影响。该实验在埃塞俄比亚的两个地方进行。以1：1的比例将马铃薯马铃薯（L）与大蒜大蒜（Alium sativum（L））间作； 1：2; 1：3; 2：1和3：1植物种群。将这些处理方法与杀菌剂（Dithane M-45）喷洒和未喷洒的单作马铃薯植株在疾病发展和马铃薯块茎产量方面进行了比较。改良马铃薯品种（Wechecha），CIP-392640.513克隆和本地易感品种用于研究。该实验是在两个重复的三阶随机因子完全块设计中进行的。结果占优势，与未喷洒杀菌剂相比，所有马铃薯-大蒜比例均表现出优异的性能。在这些比例中，75％的大蒜和25％的马铃薯（3：1）间作地块表现出显着的（p <0.05）低病害发展和高块茎产量。此外，在大蒜与马铃薯的比例为3：1的情况下，两个试验站点的土地当量比（LER）均大于1，货币价值较高。在马铃薯品种之间，在疾病发展和块茎产量方面也观察到显着（p <0.05）差异。该研究还证明，与未经处理的单一培养物对照处理相比，杀真菌剂处理可显着降低疾病发生率（p <0.05），提高马铃薯块茎产量。这项研究的发现表明，在埃塞俄比亚条件下，大蒜可以作为间作植物来处理马铃薯晚疫病。

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