Physiological and Biochemical Mechanism of Ultra-dry Storage Treatment to Prolong Seed Life of Phaseolus vulgaris

doi:10.11924/j.issn.1000-6850.casb2021-0036

Abstract

Abstract:

The purpose is to study the anti-aging ability of common beans under the condition of ultra-dry treatment. ‘Jiangjun’, ‘Ziguan’ and ‘Renaya’ were used as experimental materials, seeds with different moisture contents were prepared by silica gel dehydration and different degrees of ultra-dry seeds of artificial aging, the aging after the seed germination rate, germination index, seed vigor and physiological indexes were assessed for further discussion of appropriate moisture content of common beans. The results revealed that when the moisture content of ‘Jiangjun’ seeds decreased to 5.78%-6.95%, the seed indexes remained high after aging. When the moisture content of ‘Ziguan’ seeds was at 5.35%-6.89%, all the indexes after aging were higher than those of untreated seeds, and the differences were significant. After aging, the germination index and thermostable protein content of ‘Renaya’ seeds were higher than those of untreated seeds when the moisture content was 5.01%-6.15%. The study demonstrates that common beans could be stored in ultra-dry state.

Key words: ultra-dry treatment, common bean, artificial aging, physiological and biochemical characteristics, moisture content

CLC Number:

S643.1

Sun Lu, Feng Guojun, Liu Dajun, Yang Xiaoxu, Liu Chang, Yan Zhishan. Physiological and Biochemical Mechanism of Ultra-dry Storage Treatment to Prolong Seed Life of Phaseolus vulgaris[J]. Chinese Agricultural Science Bulletin, 2021, 37(34): 64-70.

Figures/Tables 10

References 28

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品种	含水量/%	发芽率/%	硬实率/%	发芽指数	活力指数
将军	12.44(CK)	57.33±4.98c	0	34.99±4.51c	1.43±0.31b
	8.52	84.67±2.50ab	3.33±0.94	49.64±4.06b	2.15±0.30b
	6.95	90.67±2.49a	6.00±1.63	65.70±2.41a	3.48±0.47a
	5.78	79.33±4.98b	16.00±3.26	56.40±4.15ab	3.91±0.24a
紫冠	12.77(CK)	60.67±5.25c	0	37.41±2.71c	1.24±0.16b
	8.38	86.00±3.27b	0	50.29±3.41b	2.12±0.56b
	6.89	93.33±2.49a	0.67±0.01	64.83±7.19a	3.87±0.49a
	5.35	87.33±5.73ab	6.77±0.94	61.94±3.53a	4.12±0.21a
热那亚	11.87(CK)	48.67±4.71b	0	24.89±0.95c	0.83±0.03b
	8.11	98.00±1.63a	0	60.08±1.55a	2.41±0.25a
	6.15	99.33±0.94a	0	60.10±1.55a	2.42±0.25a
	5.01	94±3.26a	0	55.03±3.51b	2.43±0.07a

品种	含水量/%	发芽率/%	硬实率/%	发芽指数	活力指数
将军	12.44(CK)	57.33±4.98c	0	34.99±4.51c	1.43±0.31b
	8.52	84.67±2.50ab	3.33±0.94	49.64±4.06b	2.15±0.30b
	6.95	90.67±2.49a	6.00±1.63	65.70±2.41a	3.48±0.47a
	5.78	79.33±4.98b	16.00±3.26	56.40±4.15ab	3.91±0.24a
紫冠	12.77(CK)	60.67±5.25c	0	37.41±2.71c	1.24±0.16b
	8.38	86.00±3.27b	0	50.29±3.41b	2.12±0.56b
	6.89	93.33±2.49a	0.67±0.01	64.83±7.19a	3.87±0.49a
	5.35	87.33±5.73ab	6.77±0.94	61.94±3.53a	4.12±0.21a
热那亚	11.87(CK)	48.67±4.71b	0	24.89±0.95c	0.83±0.03b
	8.11	98.00±1.63a	0	60.08±1.55a	2.41±0.25a
	6.15	99.33±0.94a	0	60.10±1.55a	2.42±0.25a
	5.01	94±3.26a	0	55.03±3.51b	2.43±0.07a