국문 초록
영문 초록
‘Baeksoojeongchal’, a new naked waxy barley cultivar was developed from a cross between ‘Jinmichapssal’ and ‘Radiant’ at the National Institute of Crop Science, RDA in 2019. ‘Baeksoojeongchal’ is a white, waxy naked barley cultivar with a low browning reaction owing to the low levels of proanthocyanidin. Regional yield trials were conducted for ‘Baeksoojeongchal’ as the breeding line, ‘Jeonju135’ at four different regions between 2017 and 2019. The average heading date of ‘Baeksoojeongchal’ in the paddy field was April 20, which was a day later than that of ‘Saechal’. Maturing date of ‘Baeksoojeongchal’ in the paddy field was May 26, which was 2 days later than that of ‘Saechal’. It has a short culm length of 75 cm and a short spike length of 4.3 cm, with 48 grains per spike and a 1,000-grain weight of 29.5 g. Compared to ‘Saechal’, ‘Baeksoojeongchal’ shows weaker winter withering and has better tolerance to lodging. The incidence of BaYMV (Barley yellow mosaic virus) in ‘Baeksoojeongchal’ was similar to that in ‘Saechal’; in addition, it was susceptible to powdery mildew. The grain quality characteristics of ‘Baeksoojeongchal’ indicated a similar protein content (9.6%) and a lower proanthocyanidin content (0.011%) and whiteness (42.0) compared to that in ‘Saechal’. The average yield was 505 kg/10a in the paddy field, which was 7% higher than that of ‘Saechal’. ‘Baeksoojeongchal’ is the naked waxy barley cultivar with the most whiteness and low proanthocyanidin content; therefore this could contribute to the promotion of barley consumption, by avoiding reduction in consumer preference (Registration No. 9194).
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