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딸기 ‘설향’ 육묘 시 모주의 묘소질과 정식 시기가 런너와 자묘의 생육에 미치는 영향
김대영, 김수, 최학순, 이선이, 허윤찬, 정승룡 忠北大學校 農業科學硏究所 2014 農業科學硏究 Vol.30 No.2
This study was conducted to investigate the effect of plantlet quality and transplanting time of mother plants on the growth of runner and daughter plants of strawberry (Fragaria×ananassa) ‘Seolhyang’ during nursery. Plantlet quality of mother plants is expected to be able to distinguish on the basis of crown diameter because crown diameter was highly correlated with fresh weight(r = 0.85), leaf area(r = 0.81), root weight(r = 0.75) and 1st primary roots(r = 0.73). Mother plants were transplanted based on the crown diameter (7~9 mm, 9~11 mm, 11~13 mm and 13~15 mm) in 15 March, 2012. Also, mother plants were transplanted in 15 March, 30 March, 15 April, 30 April and 15 May to investigate the best transplanting date. As a result, the number of daughter plants in the treatment 9~11 mm and 11~13 mm were 22.7 and 22.4 respectively at the end of July. But the number of daughter plants in the treatment of 7~9 mm and 13~15 mm reduced 26% and 16% respectively compared to the average number of the daughter plants in the treatment between 9 mm and 13 mm. The number of daughter plants in the treatment of 15 March, 15 April and 15 May were 20.2, 18.8 and 13.2 respectively at the end of July. Early time of transplanting was able to obtain the more daughter plants and improve the plantlet quality of daughter plants. Therefore, mother plants having crown diameter between 9 mm and 13 mm recommended to be transplanted until the end of March to obtain sufficient daughter plants and improve plantlet quality of daughter plants for producing strawberry fruits.