Effects of Weed Control on Pseudocercospora vitis and Fruit Characteristics in Campbell Early Vineyard
2015
Kim, S.K., Chungbuk Agricultural Research and Extension Services, Cheongju, Republic of Korea | Choi, W.H., Chungbuk Agricultural Research and Extension Services, Okcheon, Republic of Korea | Lee, S.H., Chungbuk Agricultural Research and Extension Services, Okcheon, Republic of Korea | Lee, Y.S., Chungbuk Agricultural Research and Extension Services, Okcheon, Republic of Korea | Yoon, C., Chungbuk Agricultural Research and Extension Services, Cheongju, Republic of Korea | Hong, S.T., Chungbuk Agricultural Research and Extension Services, Okcheon, Republic of Korea
This study was conducted to evaluate the effect of weed control on disease incidence, plant growth and fruit quality, and to provide effective method to farmers at the vineyard. At the raincoat greenhouse cultivating Campbell Early, several weed controlling methods were compared to the control. Mean temperature of plots between soil covering (C.B., W.F., S.N., P.F. and R.H.) and non soil covering (M.W.2, M.W.3 and U.T.) were similar with 26.2 degrees centigrade(July) and 25.8 degrees centigrade (Aug.), but humidity of soil covering was sharply decreased in late-July under 40%. Soil water were all higher in soil covering plots than that of non-soil covering, however, soil temperature was recorded lower in soil covering plots. Disease incidence of Peudocercospora vitis according to soil coverings had effect on black plastic film mulching by decreasing grapevine leaf spot to 85% in July, 69% in August, compared to the control, with showing the smallest lesion incidence in FMB. Among growth characters, internode length and internode width of black plastic film mulching was higher than that of the control. SPAD value of black plastic film mulching was recorded the highest. It was not significant among the treatments, but brix was recorded highly in black plastic film mulching with 14~15 Brix.
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