QIN Sujie,GUO Weizhen,ZHAO Jingxian,et al.Breeding of a New High quality Mid latEmaturing Pear Cultivar ‘Guanyu’[J].Northern Horticulture,2023,(13):157-160.[doi:10.11937/bfyy.20222630]
优质中晚熟梨树新品种‘冠玉’的选育
- Title:
- Breeding of a New High quality Mid latEmaturing Pear Cultivar ‘Guanyu’
- 文献标志码:
- A
- 摘要:
- ‘冠玉’是从‘黄金梨’实生苗中选育出的中晚熟优质多抗梨树新品种，经DNA亲缘关系鉴定，确认其父本为‘黄冠’，是‘金光’的姊妹系。落叶乔木，树势中庸，萌芽力、成枝力中等，一年生枝棕褐色，皮孔小，长椭圆形，花芽以顶生为主，短果枝结果，容易形成腋花芽。果实圆形，果形指数0.85，浅黄色，果点少，果皮薄而光滑，外观极为漂亮。果肉白色，果心小，肉质细脆，无石细胞，甘甜爽口。平均单果质量235 g，可溶性固形物含量12%～14%，可滴定酸含量0.19%，果实硬度7.5 kg?cm-2，品质上等。抗寒、抗黑星病、抗褐变能力强，适宜制干、制汁。石家庄地区8月下旬成熟，果实生育期147 d左右。
- Abstract:
- ‘Guanyu’ was a new variety of pear tree with high quality multiresistance and fresh food processing in middle and late maturity，artificially bred from the natural hybrid of ‘Whangkeumbae’ pear after 16 years.Through DNA genetic identification，it was confirmed that its male parent was ‘Huangguan’，which was a sister line of ‘Jinguang’.‘Guanyu’ is a deciduous tree with a moderate tree vigor，moderate germination and branching power.The annual branches are brownish brown，with small lenticels and long oval shapes.The flower buds are mainly terminal，and the short fruit branches bear fruit，easily forming axillary flower buds.The fruit is round，with a fruit shape index of 0.85，light yellow，few fruit spots，thin and smooth pericarp，and an extremely beautiful appearance.The flesh is white，the core is small，the flesh is fine and crisp，without stone cells，and is sweet and refreshing.The average single fruit weight is 235 g，soluble solids are 12% to 14%，titratable acid is 0.19%，and fruit hardness is 7.5 kg?cm-2.This variety has strong resistance to cold，scab，and browning，making it suitable for drying and juicing.In Shijiazhuang area，the fruit matures in late August，with a fruit growth period of about 147 days.
参考文献/References:
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备注/Memo
第一作者简介：秦素洁（1969-），女，本科，工程师，现主要从事果树育种及栽培技术等研究工作。Email：qinsj69@163.com.责任作者：郭伟珍（1971-），女，硕士，正高级工程师，现主要从事梨树育种及产后加工等研究工作。Email：504932952@qq.com.基金项目：河北省重点研发计划资助项目（21326308D-1-6）；河北省现代农业产业技术体系梨创新团队建设资助项目（HBCT2021210403）；农业科技成果转化资金资助项目（21626808D，21626803D）。收稿日期：2022-06-26