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http://dx.doi.org/10.5333/KGFS.2013.33.2.111

Comparison of Forage Productivity and Outbreak Rate Between Corn Varieties in Rice Black-Streaked Dwarf Virus (RBSDV) Prevalent Area  

Choi, Gi Jun (National Institute of Animal Science, RDA)
Lim, Young Chul (National Institute of Animal Science, RDA)
Yoon, Sei Hyung (National Institute of Animal Science, RDA)
Ji, Hee Chung (National Institute of Animal Science, RDA)
Lee, Sang-Hoon (National Institute of Animal Science, RDA)
Jung, Min Woong (National Institute of Animal Science, RDA)
Seo, Sung (National Institute of Animal Science, RDA)
Park, Hyung Soo (National Institute of Animal Science, RDA)
Kim, Ki-Yong (National Institute of Animal Science, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.33, no.2, 2013 , pp. 111-116 More about this Journal
Abstract
This experiment was carried out to select a resistant corn variety for rice black-streaked dwarf virus (RBSDV) disease in a RBSDV prevalent area (Gochang of Jeollabukdo) from 2006 to 2008. Ten corn varieties for silage preparation were cultivated with first cropping and second cropping system in an RBSDV field, and were tested outbreak rates of RBSDV and dry matter (DM) yield of forage. The outbreak rates of RBSDV were significantly different between corn varieties. Therefore, the resistance degree of corn varieties for RBSDV were divided into 4 groups; very resistant ('Kwangpeyongok' and 'Kwanganok'), resistant ('P3156' and 'P3394'), mildly resistant ('Cheonganok' and 'P32P75') and susceptible ('Suwon19', 'DK697' and 'GW6959') groups respectively. DM yield of forage in RBSDV fields exhibited comparatively significant differences between varieties (p<0.05). DM yield of resistant varieties ('Kwangpeyongok', 'Kwanganok', 'P3156' and 'P3394'), were higher (14~26%) than those of susceptible varieties ('Suwon 19', 'DK697' and 'GW6959'). Therefore, resistant varieties were recommended for increasing forage productivity in field of RBSDV prevalent areas.
Keywords
Forage; Corn; RBSDV; Productivity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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