Effects of Cultivation Methods on Growth and Quality of Water Spinach

WEN Junli; CHEN Qin; GUO Yuanyuan; ZHANG Li; LI Yang; KANG Dexian; SONG Huanzhong; CHEN Zhendong

doi:10.11924/j.issn.1000-6850.casb2025-0074

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Chin Agric Sci Bull ›› 2025, Vol. 41 ›› Issue (18) : 65-74. DOI: 10.11924/j.issn.1000-6850.casb2025-0074

Effects of Cultivation Methods on Growth and Quality of Water Spinach

WEN Junli ¹ ,
CHEN Qin ¹ ,
GUO Yuanyuan ² ,
ZHANG Li ² ,
LI Yang ¹ ,
KANG Dexian ² ,
SONG Huanzhong ¹ ,
CHEN Zhendong ¹^,²

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Abstract

To investigate the effects of different cultivation methods on the growth and quality of different varieties of water spinach, ‘Daye baigu’, ‘Zhongye qingguliuye’ and ‘Bobai kongxincai’ were used as experimental materials to explore the effects of soil cultivation, perlite substrate cultivation, hydroponics, and floating cultivation of seedling trays methods in facilities. The results showed that all three varieties of water spinach had the fastest plant height growth rate under floating cultivation of seedling trays conditions, which could shorten the time from sowing to first harvest by 21-24 days compared to soil cultivation. In the early stage, the harvesting interval under floating cultivation of seedling trays conditions was the shortest, while in the later stage, the harvesting interval of perlite substrate cultivation had an advantage. The main stem thickness showed no significant difference between soil and perlite cultivation conditions in all three varieties, but was both significantly higher than those under hydroponic and floating cultivation of seedling trays conditions. The leaf length, petiole length, and number of leaves were the highest in soil cultivation, followed by perlite cultivation. Under soil cultivation conditions, the content of vitamin C and cellulose were higher, while the content of soluble sugar and soluble protein were lower. Under perlite cultivation conditions, the content of soluble protein and dry matter were higher, while the content of vitamin C was lower. Under hydroponic conditions, the content of soluble sugar and chlorophyll were higher. The comprehensive quality was shown as perlite substrate cultivation > hydroponic > soil cultivation > floating cultivation of seedling trays. Water spinach grew fastest under floating cultivation of seedling trays conditions, and had the best quality under perlite substrate cultivation conditions.

Key words

water spinach / cultivation method / growth rate / harvest time / nutritional quality / comprehensive evaluation

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WEN Junli , CHEN Qin , GUO Yuanyuan , et al . Effects of Cultivation Methods on Growth and Quality of Water Spinach[J]. Chinese Agricultural Science Bulletin. 2025, 41(18): 65-74 https://doi.org/10.11924/j.issn.1000-6850.casb2025-0074

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