Effects of microbial product and trace elements in pine needle/coconut coir substrate on seedling growth of Capsicum annuum L.

doi:10.14088/j.cnki.issn0439-8114.2020.04.007

Abstract

Abstract: In terms of Pine needle/coconut matrix is not fully decomposed and lacks nutrients and trace elements, which is insufficient to meet the growth requirements of seedlings of Capsicum annuum L.. The effects of different microbial agents and trace elements on the physiological characteristics, chlorophyll content and chlorophyll fluorescence characteristics of Capsicum annuum L. seedlings were studied by seedling tray test. The results showed that under the treatment of Lvlong 0.16 g/plant(A3) and Kehuangwei 0.08 g/plant(B2), the growth of Capsicum annuum L. seedlings was the best, and the physiological indexes were significantly improved compared with the control. The seedling index and root-shoot ratio increased by 49.66%, 11.37% and 44.30%, 10.87%, respectively. The chlorophyll content and PI_abs increased by 19.17%, 34.76% and 29.41%, 32.37%, respectively. The addition of Lvlong and Kehuangwei to the pine needle/coconut matrix could promote the decomposition of the matrix, which was beneficial to the germination of Capsicum annuum L. and supplement nutrition at the seedling stage. It had a great influence on the PSII system and promoted the physiological growth process such as photosynthesis of the seedlings.

Key words: Capsicum annuum L., microbial product, trace elements, seedling growth, physiological and biochemical indicators

CLC Number:

S641.3
S317

DOU Dan, ZHANG Yu, LUO Xue-gang, YANG Yang. Effects of microbial product and trace elements in pine needle/coconut coir substrate on seedling growth of Capsicum annuum L.[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(4): 35-41.

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