A New Apple Dwarf Rootstock Cultivar‘Sc5’

doi:10.16420/j.issn.0513-353x.2020-1047

Acta Horticulturae Sinica ›› 2022, Vol. 49 ›› Issue (11): 2519-2520.doi: 10.16420/j.issn.0513-353x.2020-1047

• New Cultivars • Previous Articles Next Articles

A New Apple Dwarf Rootstock Cultivar‘Sc5’

YU Lu¹, NIU Zimian¹^,^*(), LI Quan², LIN Lu¹, WANG Hongning², LI Zhiqiang¹, LI Hongyan²

¹College of Horticulture，Shanxi Agricultural University，Taiyuan 030031，China
²Research Institute of Pomology，Shanxi Agricultural University，Taiyuan 030031，China

Received:2022-07-26 Revised:2022-08-29 Online:2022-11-25 Published:2022-11-25
Contact: NIU Zimian E-mail:zmniu@126.com

Abstract

Abstract:

‘Sc5’is a new cultivar of dwarf apple rootstock derived from Malus spectabilis × M. honanensis SH5. Its conopy size was small and the vigor was moderate. The length of internode was 2.1 cm on average. The‘Red Fuji’cultivar in its adult stage on the interstock had a tree height of 3.27 m and a canopy diameter of 2.83 m. Its grafting position was smooth without air root. The ratio of trunk circumferences of scion and interstock was 0.97. There was 65.3% of‘Nagafu 2’on the interstock started fruiting in the second year. Mean yield of the‘Nagafu 2’from the 6th to 9th year was 43 290-57 330 kg · hm^-2 and the soluble solids content of fruit was 16.8%，the fruit hardness was 9.34 kg · cm^-2. Compared to those of‘M26’，the degree of dwarfing of‘Sc5’was similar and the cold hardness was greater.‘Sc5’is suitable for apple production in the Loess Plateau and regions with similar climate.

Key words: apple, dwarf rootstock, grafting tree, cultivar

CLC Number:

S661.1

YU Lu, NIU Zimian, LI Quan, LIN Lu, WANG Hongning, LI Zhiqiang, LI Hongyan. A New Apple Dwarf Rootstock Cultivar‘Sc5’[J]. Acta Horticulturae Sinica, 2022, 49(11): 2519-2520.

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A New Apple Dwarf Rootstock Cultivar‘Sc5’

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