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Evaluation of onion cultivars as affected by bulb maturity and bulb characteristics of intermediate-day yellow onions in South Korea
The Journal of Horticultural Science and Biotechnology ( IF 1.9 ) Pub Date : 2020-04-20 , DOI: 10.1080/14620316.2020.1742586
Jongtae Lee 1 , Jin-Seong Moon 1 , Juyeon Kim 1 , Gwi-Ok Park 1 , Jin-Hyeuk Kwon 1 , In-Jong Ha 1 , Young-Seok Kwon 2 , Young-Ho Chang 1
Affiliation  

ABSTRACT This study evaluated the performance of 55 intermediate-day onion cultivars (Allium cepa L.) in southeastern Korea, and clustered the cultivars based on bulb maturity and marketable bulb yield (MBY). Days from transplanting to bulb initiation (DTB) ranged from 146 to 177. Fresh bulb weight (FBW) and MBY were lower in early or mid-maturing cultivars than in late-maturing ones. The cultivar ‘Eomcheongnan’ produced the greatest FBW and MBY in the mid-maturing cultivars. Of the late maturing cultivars, ‘Art’, ‘K-star’, ‘Okkimaru’, ‘Cheonjujunggo’, ‘Worldstar’, and ‘Johwang’ ranked for MBY with more than 73.0 Mg ha−1. Only 10 late-maturing cultivars including 6 cultivars with more than 73.0 Mg ha−1, ‘Dekanmaru’, ‘Newmars’, ‘Hanaro’ and ‘Strike’ had a significantly greater than 4 cultivars (‘Volve’, ‘SuperRich’, ‘Marathoner’, and ‘Gangwon 1 ho’) with the lowest MBY, which might be due to difference in maturity too short with 14–26 April for bulb initiation, and 3–13 June for harvest. Higher air temperature and lower rainfall during bulb development stage did not affect days from transplanting to harvest (DTH), but negatively affected FBW. In 47 cultivars except for early and mid-maturing cultivars which started bulb initiation before 10 April, MBY was positively correlated with only DTH (R = 0.401) and FBW (R = 0.960). All the 55 cultivars were classified into 5 clusters, but there were close distances in clusters among late-maturing cultivars.

中文翻译:

韩国中日黄洋葱鳞茎成熟度和鳞茎特性对洋葱品种的影响评价

摘要 本研究评估了韩国东南部 55 个中日洋葱品种 (Allium cepa L.) 的性能,并根据球茎成熟度和可销售球茎产量 (MBY) 对这些品种进行聚类。从移栽到球茎萌发 (DTB) 的天数从 146 到 177 天不等。早熟或中熟品种的鲜球重 (FBW) 和 MBY 低于晚熟品种。品种'Eomcheongnan'在中熟品种中产生最大的FBW和MBY。在晚熟品种中,'Art'、'K-star'、'Okkimaru'、'Cheonjujunggo'、'Worldstar' 和 'Johwang' 在 MBY 中排名超过 73.0 Mg ha−1。只有 10 个晚熟品种,包括 6 个超过 73.0 Mg ha−1 的品种,'Dekanmaru'、'Newmars'、'Hanaro' 和 'Strike' 的品种显着超过 4 个('Volve'、'SuperRich'、'马拉松运动员', 和 'Gangwon 1 ho') 的 MBY 最低,这可能是由于成熟期的差异太短,4 月 14-26 日开始球茎,6 月 3-13 日收获。球茎发育阶段较高的气温和较低的降雨量不会影响从移栽到收获的天数(DTH),但会对 FBW 产生负面影响。除早中熟品种在 4 月 10 日之前开始球茎萌发外,47 个品种中 MBY 仅与 DTH(R = 0.401)和 FBW(R = 0.960)呈正相关。55个品种共分为5个簇,但晚熟品种间簇间距离较近。球茎发育阶段较高的气温和较低的降雨量不会影响从移栽到收获的天数(DTH),但会对 FBW 产生负面影响。除早中熟品种在 4 月 10 日之前开始球茎萌发外,47 个品种中 MBY 仅与 DTH(R = 0.401)和 FBW(R = 0.960)呈正相关。55个品种共分为5个簇,但晚熟品种间簇间距离较近。球茎发育阶段较高的气温和较低的降雨量不会影响从移栽到收获的天数(DTH),但会对 FBW 产生负面影响。除早中熟品种在 4 月 10 日之前开始球茎萌发外,47 个品种中 MBY 仅与 DTH(R = 0.401)和 FBW(R = 0.960)呈正相关。55个品种共分为5个簇,但晚熟品种间簇间距离较近。
更新日期:2020-04-20
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