Breeding on three new promising and early fruiting walnut cultivars developed by species hybridization

FAN Zhi-yuan; XI Xue-liang; FANG Wen-liang; ZHANG Yu; ZHAO Ting-song

Volume 22 Issue 5

Feb. 2017

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FAN Zhi-yuan, XI Xue-liang, FANG Wen-liang, ZHANG Yu, ZHAO Ting-song. Breeding on three new promising and early fruiting walnut cultivars developed by species hybridization[J]. Journal of Zhejiang A&F University, 2005, 22(5): 518-523.

Citation:

FAN Zhi-yuan, XI Xue-liang, FANG Wen-liang, ZHANG Yu, ZHAO Ting-song. Breeding on three new promising and early fruiting walnut cultivars developed by species hybridization[J]. Journal of Zhejiang A&F University, 2005, 22(5): 518-523.

Breeding on three new promising and early fruiting walnut cultivars developed by species hybridization

1.
Yunnan Academy of Forestry , Kunming 650204 , Yunnan, China

Funds:

九五云南省科技攻关项目(95A6-4-1)

Received Date: 2005-04-03
Rev Recd Date: 2005-08-04
Publish Date: 2005-10-20

Abstract

Juglans sigillata 'Santai' is the dominating walnut in the southern China , which has many advantages such as big nut , thin-shell , shallow color kernel , aromatic taste , high quality , etc .But a certain characters like bad appearance , late fruiting , weakly resistance for cold , need to develop .Under these background , so new cultivars research on species hybridiztion breeding between the new group of Juglans sigillata 'Santai' and Juglans regia 'Xinzao No.13' were studied for the first time in Yunnan Province .Based on sexual hybridzing cultivation procedure , through five stages of parent selection , hybridization , cultivation of hybridism offspring , excellent trees selection and regionalized cultivation experiment of superior walnut clone , three new superior early fruiting walnut cultivars named as Yunxing 90301 , Yunxing 90303 , Yunxing 90306 were seleted to cultivate .The new cultivars hold excellent advantages after combining with the characteristics of the parents , , including the following characters of early fruiting (bloom or fruit two or three years after being planted , four to six years early than Juglans sigillata 'Santai ' , precocity (about 20 days ahead than Juglans sigillata 'Santai ' , high yield (represent distinct hybrid-superiority ), lower height and good resistance for cold .The good ends of expectant breeding and the new cultivars with enormous potential for popularization , were gained .[ Ch , 8 tab .8 ref .]
- forest tree breeding,
- Juglans,
- species hybridization,
- new early-fruiting cultivars

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Breeding on three new promising and early fruiting walnut cultivars developed by species hybridization

1. Yunnan Academy of Forestry , Kunming 650204 , Yunnan, China

Funds:

九五云南省科技攻关项目(95A6-4-1)

Received Date: 2005-04-03

Rev Recd Date: 2005-08-04

Publish Date: 2005-10-20

Key words:

Abstract: Juglans sigillata 'Santai' is the dominating walnut in the southern China , which has many advantages such as big nut , thin-shell , shallow color kernel , aromatic taste , high quality , etc .But a certain characters like bad appearance , late fruiting , weakly resistance for cold , need to develop .Under these background , so new cultivars research on species hybridiztion breeding between the new group of Juglans sigillata 'Santai' and Juglans regia 'Xinzao No.13' were studied for the first time in Yunnan Province .Based on sexual hybridzing cultivation procedure , through five stages of parent selection , hybridization , cultivation of hybridism offspring , excellent trees selection and regionalized cultivation experiment of superior walnut clone , three new superior early fruiting walnut cultivars named as Yunxing 90301 , Yunxing 90303 , Yunxing 90306 were seleted to cultivate .The new cultivars hold excellent advantages after combining with the characteristics of the parents , , including the following characters of early fruiting (bloom or fruit two or three years after being planted , four to six years early than Juglans sigillata 'Santai ' , precocity (about 20 days ahead than Juglans sigillata 'Santai ' , high yield (represent distinct hybrid-superiority ), lower height and good resistance for cold .The good ends of expectant breeding and the new cultivars with enormous potential for popularization , were gained .[ Ch , 8 tab .8 ref .]

Breeding on three new promising and early fruiting walnut cultivars developed by species hybridization

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views