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http://dx.doi.org/10.5333/KGFS.2012.32.3.237

Effects on Growth and Yield Whole-crop Barley by Soil-borne Virus Infection  

Kim, Kyeong-Hoon (Department of Rice and Winter Cereal Crop, NICS, RDA)
Seo, Eun-Jo (College of Agriculture &Life science, Chonbuk National University)
Shin, Sang-Hyun (Department of Rice and Winter Cereal Crop, NICS, RDA)
Choi, Jae-Seong (Department of Rice and Winter Cereal Crop, NICS, RDA)
Lee, Mi-Ja (Department of Rice and Winter Cereal Crop, NICS, RDA)
Park, Tae-Il (Department of Rice and Winter Cereal Crop, NICS, RDA)
Park, Jong-Chul (Department of Rice and Winter Cereal Crop, NICS, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.32, no.3, 2012 , pp. 237-244 More about this Journal
Abstract
Barley yellow mosaic virus (BaYMV) and Barley mild mosaic virus (BaMMV) cause severe diseases in winter barley in Europe and East Asia. We investigated the effect of different level of resistance to virus disease on the plant growth and yield in whole-crop barley. In the virus infection, BaYMV was detected all tested cultivars in first diagnosis at 30th March. BaYMV infection was identified only in the susceptible Sunwoobori in 6th April, but not in the Yuyeon (moderate, M) and Youngyang (moderate resistant, MR) cultivars. Plant height was restrained about 14.6~32.9% in overwintered plant regeneration stage depending on the resistance of each cultivar. The tiller numbers also reduced to 8.7~19.7% by BaYMV infection in overwintering season. We evaluated culm length, spike length, and spike number in the virus-infected field and non-infected field. For the culm length, Youngyang (MR) reduced only 14.5% by BaYMV. However Sunwoo (susceptible, S) and Yuyeon (M) cultivars were decreased to 24.8~42.7%. The spike length and spike number also affected to 8.9~21.3% and 24.3~31.0%, respectively, depending on the resistance. After harvesting, dry-matter yield of whole crop yield reduced by approximately 21.6~58.0% according to cultivar resistant degrees. For example, Sunwoobori (S) decreased 58.0% in comparing to non-infected field. The grain yield was also significantly reduced in virus infected cultivars. Sunwoobori (S) was severely decrease more than 60.0%. Yuyeonbori (M) and Youngyangbori (MR) also decreased 30.0~47.5% by the viral infection comparing to those in the non-infected field.
Keywords
Whole-crop barley; BaYMV; BaMMV; Resistance; Yield;
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Times Cited By KSCI : 6  (Citation Analysis)
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