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한국육종학회지 Vol.54 No.3.jpg
KCI등재 학술저널

복숭아 ‘유명’ 유래 품종들에 대한 과실 성숙일수 구분 마커 개발

The Molecular Markers Associated with Fruit Development Period in ‘Yumyeong’ Peach Cultivars

DOI : 10.9787/KJBS.2022.54.3.149

Fruit development period (FDP), defined as the time between full bloom and maturity, varies greatly in peaches (Prunus persicaL. Batsch). It is necessary to develop molecular markers associated with maturity date to extend the harvest season in new peach cultivars. We designed the 260 SSR primer set covering the entire genome of approximately 300 kb to 1 Mb based on P. persica cultivar ‘Mihong’genome sequence. The SSR markers were used to survey the relationship between the parentages ‘Yumeyong’ and ‘Chiyomaru’ and theiroffspring cultivars ‘Mihong’, ‘Yumi’, ‘Misshong’ and ‘Soomee’. Male cultivar ‘Chiyomaru and its offspring cultivars ‘Mihong’, Yumi’, and‘Misshong’ are early and middle maturity cultivars with FDP of 77, 76, 82, and 108 days, respectively, whereas female cultivar ‘Yumyeong’and its offspring cultivar ‘Soomee’ are late maturity cultivars with FDP of 128 days. Three regions of SSR markers could distinguish betweenearly, middle, and late maturity cultivars. In the early stages of breeding, these markers will be used for marker-assisted selection (MAS)in the parentages ‘Yumyeong’ and ‘Chiyomaru’ and their offspring cultivars.

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