보리호위축병 저항성 고품질 다수성 겉보리 ‘혜양’
Covered Barley(Hordeum vulgare L.) Variety, ‘Hyeyang’ with BaYMV Resistance, High Yield and Good Malt Quality
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초록
‘혜양’은 답리작 적응성이 높은 보리호위축병 저항성 고품질다수성 겉보리로 육성된 품종으로 파성은 Ⅰ이며 이삭의 밀도는밀수형이고, 까락이 긴 장망형으로 출수기는 올보리와 비슷하였다. 간장은 82 cm로 올보리(88 cm) 대비 6 cm 작고, 수장은4.3 cm로 올보리(4.1 cm)와 비슷하였으며, ㎡ 당 수수는 798개로 올보리보다 약간 많았다. 1수립수(56립)는 많고, 천립중(26.7 g)과 1L중(651 g)은 올보리보다 가벼웠다. 보리호위축병은 저항성이었으며, 내한성과 내도복성은 올보리와 비슷하였다. 단백질함량, β-glucan 함량과 입백도는 올보리와 비슷하였나, 정맥률은 낮았다. 엿기름특성 중 효소역가가 235DP로 올보리 비해높았다. 수량성은 4.44 MT/ha으로 올보리 대비 8% 증수하였다.
Abstract
Improvement of winter hardiness, lodging resistance and good quality have been recently received more attention by covered barley(Hordeum vulgare L.) breeders than ever in Korea. ‘Hyeyang’, a new covered barley cultivar with early maturing and high yield was developed by the National Institute of Crop Science, RDA in 2010. It was derived from the cross between‘Milyang87’and‘Wolsung8120’with good quality. The initial cross was done in 1999 and the selected line, ‘Iksan432’ (YB4494-B-B-21-2), showed high yield and good quality characteristics under yield trial test from 2008 to 2010. The following is the characteristics of‘Hyeyang’that is characterized as the vernalization of Ⅰ, green leaf, compact spike and long rough awns. The heading date of‘Hyeyang’were similar to‘Olbori’. The culm length was 82 cm which was 6 cm shorter than‘Olbori’. It showed the spike length of 4.3 cm, 798 spikes / m2, 56 grains / spike and 26.7 g for 1,000 grains weight. It showed similar winter hardiness and stronger resistance to barley yellow mosaic virus (BaYMV) compare to‘Olbori’. It showed higher diastatic power 235DP than that of check cultivar, ‘Olbori’. Average yield of ‘Hyeyang’ was 4.44 MT/ha in the regional yield trials carried out in four location at double cropping system in Korea from 2008 to 2010, which was 8 percent higher than ‘Olbori’. ‘Hyeyang’would be suitable for the area above –8℃ of daily minimum temperature in January in Korean peninsula.
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