Effects of Glomus mosseae on Seedling Growth and Nitrogen and Phosphorus Uptake of Two Cucumber Cultivars

doi:10.11924/j.issn.1000-6850.casb2020-0232

Abstract

Abstract:

‘Chiyu126’ and ‘Jinyan No.4’ were used as hosts to explore the effects of Glomus mosseae on the growth and nitrogen and phosphorus uptake of the cucumber seedlings. A pot experiment was conducted, and the hosts were inoculated with G. mosseae individually at the stage of nursery. Five weeks later, the main growth parameters and nitrogen and phosphorus concentration in shoots were determined. The results showed that compared with the control, the dry weight of shoots and roots increased by 45.5% and 30.6%, respectively, for ‘Chiyu126’ inoculated with G. mosseae, however, the root growth of ‘Jinyan No.4’ was significantly inhibited by inoculating with G. mosseae and the root and total biomass were significantly lower than those of its corresponding control; moreover, for ‘Chiyu126’, the total nitrogen and phosphorus were significantly improved by G. mosseae, and the total nitrogen and phosphorus concentration in shoots were 1.29 times and 1.39 times as much as those of the control, respectively, meanwhile, for ‘Jinyan No.4’ inoculated with G. mosseae, the total nitrogen concentration in shoots was significantly lower than that of its corresponding control, and the phosphorus concentration was not affected by G. mosseae. The growth and nitrogen and phosphorus uptake of ‘Chiyu126’ are improved by G. mosseae, and it is an ideal symbiotic combination between ‘Chiyu126’ and G. mosseae.

Key words: Glomus mosseae, ‘Chiyu 126’, ‘Jinyan No.4’, growth, nitrogen and phosphorus uptake

CLC Number:

S182

He Jiayi, Fan Yaping, Wang Yan, Zhang Zhi, Wang Changxian. Effects of Glomus mosseae on Seedling Growth and Nitrogen and Phosphorus Uptake of Two Cucumber Cultivars[J]. Chinese Agricultural Science Bulletin, 2021, 37(10): 30-34.

Figures/Tables 8

References 25

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黄瓜品种	AM真菌	株高/cm	茎粗/cm	叶面积/cm²	叶绿素含量/(mg/g)
驰誉126	+	17.53±0.55a	0.41±0.02	255.68±11.27a	1.87±0.05a
驰誉126	-	14.93±0.52b	0.37±0.03	185.73±17.55b	1.66±0.01b
津研4号	+	7.47±0.94d	0.41±0.02	150.66±25.78b	1.62±0.03b
津研4号	-	9.73±0.49c	0.44±0.01	181.78±2.30b	1.66±0.07b

黄瓜品种	AM真菌	株高/cm	茎粗/cm	叶面积/cm²	叶绿素含量/(mg/g)
驰誉126	+	17.53±0.55a	0.41±0.02	255.68±11.27a	1.87±0.05a
驰誉126	-	14.93±0.52b	0.37±0.03	185.73±17.55b	1.66±0.01b
津研4号	+	7.47±0.94d	0.41±0.02	150.66±25.78b	1.62±0.03b
津研4号	-	9.73±0.49c	0.44±0.01	181.78±2.30b	1.66±0.07b

方差来源	株高	茎粗	叶面积	叶绿素含量
黄瓜品种	P<0.0001	0.1475	0.0112	0.0241
AM真菌	0.8044	0.6075	0.2763	0.0932
黄瓜品种×AM真菌	0.0057	0.1475	0.0161	0.0219

方差来源	株高	茎粗	叶面积	叶绿素含量
黄瓜品种	P<0.0001	0.1475	0.0112	0.0241
AM真菌	0.8044	0.6075	0.2763	0.0932
黄瓜品种×AM真菌	0.0057	0.1475	0.0161	0.0219

黄瓜品种	AM真菌	干重/(g/株)		总干重/(g/株)	菌根效应/%	菌根侵染率/%
黄瓜品种	AM真菌	地上部	根系	总干重/(g/株)	菌根效应/%	菌根侵染率/%
驰誉126	+	0.6727±0.05a	0.2462±0.01a	0.9190±0.06a	29.2	45.8
驰誉126	-	0.4623±0.03b	0.1886±0.02a	0.6508±0.04a	29.2	0
津研4号	+	0.3695±0.06b	0.1235±0.03b	0.4930±0.09b	-35.5	30.5
津研4号	-	0.4694±0.03b	0.1985±0.01a	0.6678±0.04a	-35.5	0