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Effects of a Bacillus subtilis BSCY-1 on the Seed Germination and Seedling Growth and Physiological Characteristics of Cucumber

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年10
Page:
17-23
Research Field:
Publishing date:

Info

Title:
Effects of a Bacillus subtilis BSCY-1 on the Seed Germination and Seedling Growth and Physiological Characteristics of Cucumber
Author(s):
GU Qingyi1WANG Yanjia2LI Mengnan2LI Meng2LIU Songhu2SHEN Jun2
(1.School of Pharmacy,Xinyang Agriculture and Forestry University,Xinyang,Henan 464000;2.Horticulture College,Xinyang Agriculture and Forestry University,Xinyang,Henan 464000)
Keywords:
Bacillus subtiliscucumbergrowth promoting effect
PACS:
S 642.2
DOI:
10.11937/bfyy.20234401
Abstract:
The cucumber seeds of ‘Hanyan 28-6’ were used as test materials,water was used as control (CK),cucumber seeds were soaked and irrigated with 7.2×107,7.2×106,7.2×105,3.6×105 CFU·mL-1four concentrations of B.subitilis BSCY-1 bacterial suspension,to explore the effects of different concentrations of BSCY-1 bacterial suspension on seed germination,as well as morphological and physiological characteristics of seedlings.The growth-promoting effect of endophytic B.subtilis BSCY-1 isolated from strawberry leaves on cucumber was preliminarily clarified,in order to provide reference for the addition of B.subtilis in fertilizer.The results showed that compared with CK,after 7 days and 14 days of root irrigation,3.6×105 CFU·mL-1 BSCY-1 treatment significantly increased the leaf area and fresh weight of cucumber seedlings.After 7 days and 14 days of root irrigation with BSCY-1,the activities of CAT and POD of 7.2×105 CFU·mL-1 and 3.6×105 CFU·mL-1 treatments were significantly higher than those in CK.SOD activity of 7.2×105,3.6×105 CFU·mL-1 BSCY-1 treatments were significantly higher than that of CK after 14 days and 21 days.After 14 days of irrigation with BSCY-1,the soluble starch content,soluble sugar content and chlorophyll content of 3.6×105 CFU·mL-1 treatment were significantly higher than those of the control.In summary,B.subtilis BSCY-1 could improve the physiological and biochemical characteristics of cucumber seedlings,thereby promoting seedling growth,especially the growth-promoting effect of 3.6×105 CFU·mL-1 BSCY-1 treatment was the most obvious.

References:

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Last Update: 2024-06-06