A New Asparagus Bean Cultivar‘Chengjiang 6’

doi:10.16420/j.issn.0513-353x.2025-0516

Acta Horticulturae Sinica ›› 2025, Vol. 52 ›› Issue (S2): 171-172.doi: 10.16420/j.issn.0513-353x.2025-0516

• Vegetables • Previous Articles Next Articles

A New Asparagus Bean Cultivar‘Chengjiang 6’

ZHAO Chao¹, XI Chunyi¹, PENG Mingchao¹, LUO Xiaobo¹, DU Dandan², CHEN Ling¹, XIANG Juan^1,*

¹Chengdu Academy of Agriculture and Forestry Sciences,Chengdu 611130,China;
²School of Agriculture and Horticulture,Chengdu Agricultural College,Chengdu 611130,China

Received:2025-06-09 Revised:2025-09-16 Online:2025-10-28 Published:2025-11-03

Abstract

Abstract: ‘Chengjiang 6’is an early-maturing new cowpea cultivar developed through systematic breeding,using the elite line 170 as the female parent and the extremely early-maturing and disease-resistant line p-3 as the male parent. It begins flowering at the 1st to 3rd node,and the period from sowing to the first harvest is approximately 50 days. The plant is vining,with vines growing 3.5 m to 4.0 m in length,and pod-setting mainly occurs on the main vine. The tender pods are dark green,long and cylindrical with a central suture,averaging 68.3 cm in length and 26.8 g in weight per pod. Seeds are kidney-shaped with a light reddish-brown seed coat,and the 100-seed weight is about 21.5 g. This cultivar shows resistance to root rot and viral diseases,with field resistance to viruses stronger. It yields approximately 31 500 kg· hm^-2,with over 65% of the total yield produced in the early stage. It is suitable for early-maturing cultivation in cowpea-growing regions of Sichuan.

Key words: asparagus bean, breeding, cultivar

CLC Number:

S634.4

ZHAO Chao, XI Chunyi, PENG Mingchao, LUO Xiaobo, DU Dandan, CHEN Ling, XIANG Juan. A New Asparagus Bean Cultivar‘Chengjiang 6’[J]. Acta Horticulturae Sinica, 2025, 52(S2): 171-172.

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A New Asparagus Bean Cultivar‘Chengjiang 6’

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