柠条粉作基质对西瓜幼苗生长发育及干物质积累的影响

被引：32

作者：

曲继松 ^{[1
,2
]}

郭文忠 ^{[1
,2
]}

张丽娟 ^{[1
,2
]}

冯海萍 ^{[1
,2
]}

杨冬艳 ^{[1
,2
]}

机构：

[1] 宁夏农林科学院种质资源研究所

[2] 宁夏设施农业工程技术研究中心

来源：

农业工程学报 | 2010年 / 26卷 / 08期

关键词：

干旱区; 基质; 生长; 柠条; 育苗; 叶绿素荧光; 生态效应;

D O I：

暂无

中图分类号：

S651 [西瓜];

学科分类号：

摘要：

研究柠条粉作为育苗基质对西瓜幼苗生长发育及干物质积累的影响,确定柠条粉作为育苗基质的可行性,进而为柠条资源后续产业的开发提供理论基础。以"壮苗二号"育苗基质为对照,通过基质理化性状、幼苗生长发育、干物质积累及叶绿素荧光诱导动力学曲线参数等指标,比较分析柠条粉基质育苗效果。结果表明:柠条粉基质与壮苗二号基质在物理性状方面基本一致,柠条粉基质速效养分含量显著高于壮苗二号基质;在育苗方面,两种基质幼苗株高、茎粗、根长、叶片数、地上部鲜质量、地下部鲜质量、全株鲜质量、地上部干质量、地下部干质量、全株干质量和根冠比等生长发育指标上均趋于一致,且柠条粉基质幼苗壮苗指数高于壮苗二号基质幼苗壮苗指数9.76%,同时柠条粉基质幼苗光能利用效率略高于壮苗二号基质幼苗。柠条粉基质完全具备取代以草炭为原料的现有育苗基质的潜能,可作为西北干旱地区设施瓜菜工厂化育苗基质进行开发、利用。

引用

页码：291 / 295

页数：5

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