保水剂与氮肥配施对雪茄烟抗旱性相关理化性状的影响
Effects of Water Retention Agent Combined with Nitrogen Fertilizer on Physical and Chemical Properties of Drought Resistance in Cigar Tobacco
付宏喆 1王亚飞 2朱治忠 2苏鹏飞 3孙占伟 2殷全玉 1赵铭钦 1程小强 3张明月1
作者信息
- 1. 河南农业大学烟草学院,河南 郑州 450002
- 2. 河南中烟工业有限责任公司,河南 郑州 450002
- 3. 吉安市烟草公司永丰分公司,江西 永丰 331500
- 折叠
摘要
为探讨保水剂与氮肥配施对雪茄烟不同时期抗旱性的影响,本试验以雪茄烟品种德雪一号为材料,通过盆栽方式研究干旱条件下不同浓度保水剂与不同用量氮肥配施对雪茄烟抗旱性相关生理生化指标的影响,并对其进行相关性分析、主成分分析和隶属函数综合评价.结果表明,与对照相比,保水剂和氮肥配施处理均可提高雪茄烟叶的叶绿素含量,保证叶绿素的正常合成和降解;均可显著增强雪茄烟叶片SOD、POD、CAT活性,显著降低叶片MDA含量,减少烟叶中过氧化物的产生,降低其膜脂过氧化损伤;均可显著提高雪茄烟叶脯氨酸、可溶性蛋白和可溶性糖含量,促进雪茄烟叶片渗透调节物质积累,增强水分调控能力.保水剂用量 4g/株、氮肥用量 4.29 g/株处理(A1B2)效果最好,可显著增强雪茄烟品种德雪一号的抗旱性.本结论可为干旱且土壤保水保肥性能较差地区优质雪茄烟栽培提供理论依据和参考.
Abstract
In order to explore the effects of water retention agent combined with nitrogen fertilizer on drought resistance of cigar tobacco in different periods,the pot experiment was conducted variety Dexue 1 as test material.The effects of different dosages of water retention agent and nitrogen fertilizer on the physical and chemical indexes related to drought resistance of cigar tobacco were studied under drought conditions,and the correlation analysis,principal component analysis and subordinate function analysis were carried out.The re-sults showed that compared with the control(CK),the applicaton of water retention agent combined with nitro-gen fertilizer increased the chlorophyll content in cigar tobacco leaves,ensuring the normal synthesis and deg-radation of chlorophyll;significantly increased activities of SOD,POD and CAT and decreased MDA content in leaves,reducing the generation of peroxides and slowing down the damage of membrane lipid peroxidation;increased the contents of proline,soluble protein and soluble sugar significantly in leaves,promoting the accu-mulation of osmoregulatory substances and enhancing water regulation capability.The best effect occurred when the use rate of water retention agent and nitrogen fertilizer were 4 and 4.29 g per plant respectively(treatment A1B2),which could significantly enhance drought resistance of Dexue 1.This experiment could provide theo-retical bases and references for cultivating high-quality cigar tobacco in arid areas with poor soil water and fer-tilizer retention.
关键词
雪茄烟/保水剂/氮肥/抗旱性/理化性状/综合评价Key words
Cigar tobacco/Water retention agent/Nitrogen fertilizer/Drought resistance/Physical and chemical properties/Comprehensive evaluation引用本文复制引用
基金项目
河南省科技研发计划联合基金项目(222103810005)
河南省高等学校重点科研项目(23A210022)
江西省烟草公司吉安市公司科技项目(2024360823240038)
出版年
2024
国家科技期刊平台
NSTL
万方数据