Effects of Solanum spp. weed straw on growth and nutrient uptake of Cyphomandra betacea seedlings

doi:10.14088/j.cnki.issn0439-8114.2023.07.015

Abstract

Abstract: To explore the effects of different Solanum spp. weeds straws on the growth and nutrient absorption of fruit trees, the effects of four Solanum spp. weeds （Solanum nigrum, Solanum diphyllum, Solanum alatum and Solanum nigrum var. humile） straws on the growth and nutrient absorption of Cyphomandra betacea seedlings were studied through a pot experiment. The results showed that the straws of Solanum nigrum var. humile and Solanum nigrum treatments increased the biomass and photosynthetic pigments （chlorophyll a, chlorophyll b, total chlorophyll and carotenoids） contents of Cyphomandra betacea seedlings to a certain extent, and the other two straws treatments had no significant effects. The straws of Solanum diphyllum and Solanum nigrum treatments enhanced the superoxide dismutase activity of Cyphomandra betacea seedlings, and the other two straws treatments had reducing effects. The straws of four Solanum spp. weeds treatments had no significant effects or reducing effects on the peroxidase activity, catalase activity and soluble protein content of Cyphomandra betacea seedlings. The straw of Solanum diphyllum treatment increased the total nitrogen, total phosphorus and total potassium contents in Cyphomandra betacea seedlings, and the other three straws treatments had no significant effect or reducing effects to a certain extent.

Key words: Cyphomandra betacea, Solanum spp. weed straw, growth, nutrient absorption

CLC Number:

S641
S141.4

DAI Jing-tong, WANG Jiang-yue, LI Rui, CHENG Qi, WANG Hua, DENG Li-li, LIN Li-jin, HU Rong-ping. Effects of Solanum spp. weed straw on growth and nutrient uptake of Cyphomandra betacea seedlings[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(7): 84-88.

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