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| 炼苗期不同基质含水量对辣椒幼苗贮运 质量的影响 | |
| 引用本文： | 杨天,李娟起,潘小兵,曲梅,田永强,高丽红,陈青云.炼苗期不同基质含水量对辣椒幼苗贮运 质量的影响[J].中国蔬菜,2014,1(7):18. |
| 作者姓名： | 杨天 李娟起 潘小兵 曲梅 田永强 高丽红 陈青云 |
| 作者单位： | （中国农业大学农学与生物技术学院，设施蔬菜生长发育调控北京市重点实验室，北京 100193） |
| 基金项目： | 公益性行业（ 农业） 科研专项（201303014）， 现代农 业产业技术体系北京市果类蔬菜创新团队项目，星火计划项目 （2012GA600002） |
| 摘 要： | 为了探究适宜辣椒幼苗贮运的炼苗期基质含水量，研究了炼苗期不同基质相对含水量处理（25%～35%、
40%～50%、55%～65% 和70%～80%）对不同贮藏时间（0、2、4、6 d）下辣椒幼苗主要形态与生理指标变化规律及定植
后幼苗生长恢复能力的影响。结果表明：对于短期（2 d）贮藏而言，炼苗期的适宜基质相对含水量幅度较大（40%～80%）；
对于中期（4 d）和长期（6 d）贮藏，适宜将炼苗期基质相对含水量控制在70%～80%。相关性分析和通径分析结果表明，
适宜评价贮运期间辣椒幼苗质量的单一指标为叶片健全指数，复合指标为茎粗+2.723 真叶叶绿素含量-1.235 地下部干质量。 |
| 关 键 词： | 辣椒 幼苗贮运质量 炼苗期 基质相对含水量 |
Effects of Different Substrate Water Contents in Hardening Period on Pepper Seedling Quality during Storage and Transportation |
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| YANG Tian,LI Juan-Qi,PAN Xiao-Bing,QU Mei,TIAN Yong-Qiang,GAO Li-Hong,CHEN Qing-Yun.Effects of Different Substrate Water Contents in Hardening Period on Pepper Seedling Quality during Storage and Transportation[J].China Vegetables,2014,1(7):18. | |
| Authors: | YANG Tian LI Juan-Qi PAN Xiao-Bing QU Mei TIAN Yong-Qiang GAO Li-Hong CHEN Qing-Yun |
| Institution: | （College of Agronomy & Biotechnology，China Agricultural University，Beijing Key Laboratory of Growth and; Development Regulation for Protected Vegetable Crops，Beijing 100193，China） |
| Abstract: | In order to investigate the suitable substrate water content in the hardening period during storage and transportation of pepper（Capsicum annuum L. ） seedlings，this experiment studied the effects of relative water contents in different substrates（ 25%-35%，40%-50%，55%-65% and 70%-80%） in the hardening period on the change rule of main morphological and physiological indices of pepper seedlings under different storage time periods（ 0，2，4，6 d），and the recovery ability of pepper seedlings after transplanting．The results show that for short term（ 2 d） storage，the appropriate relative water contents of substrate for seedlings during hardening period has a wide range（ 40%-80%）．For medium-term（ 4 d） and long-term（ 6 d） storage，the suitable relative water content in substrate should be controlled between 70% to 80% during the hardening period ．The results of correlation and path analyses suggest that the single index suitable for evaluating pepper seedling quality during storage and transportation is leaf integrity index，while the composite index is the stem diameter + 2.723 leaf chlorophyll content -1.235 root dry weight． |
| Keywords: | Pepper Seedling quality during storage and transportation Hardening period Relative water content in substrate |
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