首页|Effects of Rice Straw Steam-explosion Spent Liquor on the Growth of Cabbage Seedlings

Effects of Rice Straw Steam-explosion Spent Liquor on the Growth of Cabbage Seedlings

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The direct use of spent liquor from pulping and papermaking engineering,which is abundant in active organic matter,can avoid resource wastage and environmental pollution.In this study,the effects of soaking solution and filtrate from steam-exploded rice straw on seed germination and the early development of cabbage were investigated.The results have shown that soaking solution and filtrate stimulated early cabbage growth at low concentrations.Optimal germination potential and the rate of soaking solution-treated cabbage seeds increased by 8％and 5％,respectively;meanwhile,that of the filtrate-treated cabbage seeds increased by 11％and 5％,respectively.Promotion of root growth by steam-exploded rice straw spent liquor was expressed in lateral root multiplication.The fresh weight of cabbage seedlings treated with the soaking solution/filtrate increased by more than 50％and the dry weight over 20％.Comparatively,the stimulation of filtrate on seed germination and early development of cabbage is superior to that of the soaking solution.Steam-exploded rice straw spent liquor is rich in bioactive lignin and oligosaccharides,which makes it a promising biostimulant for promoting crop growth.

rice strawsteam explosionspent liquorcabbage seedlingsstimulation

Bo Jiang、Huan Jiao、Xinyu Guo、Yu Zhang、Yanguang Zhang、Yongcan Jin

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Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources,International Innovation Center for Forest Chemicals and Materials,College of Light Industry and Food Engineering,Nanjing Forestry University,Nanjing,Jiangsu Province,210037,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNatural Science Foundation of Jiangsu ProvinceJiangsu Provincial Key Research and Development ProgramNatural Science Foundation of the Jiangsu Higher Education Institutions of ChinaForestry and Grassland Administration Key Laboratory of Plant Fiber Functional Materials

322015003227179732271811BK20220431BE202136821KJB2200012022KFJJ05

2023

10.26599/PBM.2023.9260011

造纸与生物质材料(英文)
中国造纸学会　中国制浆造纸研究院

造纸与生物质材料(英文)

CHSSCD
影响因子：0.082
ISSN：2096-2355
年,卷(期)：2023.8(2)
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