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      • 딸기에 있어서 뿌리썩이 線? (Pratylenchus vulnus) 防除를 위한 土壤 燻蒸劑 處理 ?果에 關한 硏究

        崔永然,金東根 COLLEGE OF AGRICULTURE KYUNGPOOK NATIONAL UNIVERSI 1984 慶北大農學誌 Vol.2 No.-

        In order to control the root-lesion nematode, Pratylenchus vulnus on strawberry, the effects of six soil fumigants; Cylone, Dowfume MC-2, Di-Trapex, D-D, Telone C-17 and Telone Ⅱ, were evaluated in the farmer's field in 1982 and 1983 in Korea. The number of nematodes were reduced in plots treated with fumigants and the number of leaves and total fresh weight of strawberry were superior to untreated control plots. The treatments of Dowfume Mc-2 at 50㎏/10a and Telone C-17 at 10ℓ/10a increased the yields of strawberry by 38 and 26%, respectively, compared with untreated control plots in 1982. In 1983, the number of nematodes were maintained at considerably low on 180 days after applications. However, on 270 days after the fumigants applications, the number of nematodes in treated plots resumed the similar levels as that before the treatment of chemicals. These values were less than those of untreated control plots investigated on 270 days after. The treatments of Cylone at 30ℓ/10a and Di-Trapex at 30ℓ/10a gave the best results, with increases in yield of 21 and 16%, respectively, compared with untreated control plots. The treatments of Dowfume MC-2 at 50㎏/10a, D-D at 50ℓ/10a, Telone C-17 at 10ℓ/10a and Telone Ⅱ at 8.4ℓ/10a increased the yields by 14, 13, 12 and 10%, respectively.

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