Breeding of ‘Hengmian 1670’: A Cotton Variety with Salt and Drought Tolerance, Good Quality and High Yield

doi:10.11923/j.issn.2095-4050.cjas2020-0044

Abstract

Abstract:

Cultivation and application of new cotton varieties with high quality and high yield is the key to water-saving and improving quality and efficiency in cotton production. Dryland Farming Institute of Hebei Academy of Agricultural and Forestry Sciences took ‘Hengmian 210’ (resource material of middle-early maturity and disease-resistant upland cotton) as female parent and ‘Hengmian 4’ as male parent to carry out hybrid combinations. After years of continuous directional selection, ‘Hengmian 1670’ was selected under disease stress, pest stress, salt stress and drought stress. ‘Hengmian 1670’, approved by Hebei Province in August 2019 (Jishenmian 20190013), has outstanding performance such as the resistance to Fusarium and Verticillium wilts, high yield and quality, salt tolerance, drought resistance and water-saving, and it is suitable for planting in Hebei Province and similar ecological spring sowing cotton areas in the Yellow River Basin.

Key words: Upland Cotton, ‘Hengmian 1670’, Drought Resistance and Salt Tolerance, Variety Breeding

CLC Number:

S562

DAI Maohua, LIU Liying, LIU Xuemei, LI Chenhui, WU Zhenliang. Breeding of ‘Hengmian 1670’: A Cotton Variety with Salt and Drought Tolerance, Good Quality and High Yield[J]. Journal of Agriculture, 2021, 11(12): 40-43.

Figures/Tables 3

References 16

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试验类型	年份	皮棉总产量		霜前皮棉产量		衣分/%	霜前花率/%
试验类型	年份	产量/(kg/hm²)	增产率/%	产量/(kg/hm²)	增产率/%	衣分/%	霜前花率/%
区域试验	2016	1557.0	4.8	1408.5	3.8	40.8	90.6
	2017	1608.0	9.4	1465.5	9.7	40.3	91.1
	平均	1582.5	7.1	1437.0	6.8	40.6	90.9
生产试验	2018	1584.0	9.9	1440.0	10.8	39.2	90.9

试验类型	年份	皮棉总产量		霜前皮棉产量		衣分/%	霜前花率/%
试验类型	年份	产量/(kg/hm²)	增产率/%	产量/(kg/hm²)	增产率/%	衣分/%	霜前花率/%
区域试验	2016	1557.0	4.8	1408.5	3.8	40.8	90.6
	2017	1608.0	9.4	1465.5	9.7	40.3	91.1
	平均	1582.5	7.1	1437.0	6.8	40.6	90.9
生产试验	2018	1584.0	9.9	1440.0	10.8	39.2	90.9

年份	上半部平均长度/mm	断裂比强度/(cN/tex)	马克隆值	整齐度指数/%	纺纱均匀指数
2016	30.0	33.4	5.3	84.0	143.0
2017	30.2	32.3	5.3	84.6	144.0
平均	30.1	32.9	5.3	84.3	143.5

年份	上半部平均长度/mm	断裂比强度/(cN/tex)	马克隆值	整齐度指数/%	纺纱均匀指数
2016	30.0	33.4	5.3	84.0	143.0
2017	30.2	32.3	5.3	84.6	144.0
平均	30.1	32.9	5.3	84.3	143.5

年份	枯萎病		黄萎病
年份	病情指数	反应型	相对病情指数	反应型
2016	0.7	HR	10.7	R
2017	5.7	R	24.9	T
平均	3.2	HR	17.8	R