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当前位置: 首页 > 文章 > LED光照条件下低温弱光贮藏对辣椒种苗质量的影响 中国蔬菜 2017,1 (5) 40-45
Position: Home > Articles > Effects of Low Temperature and Poor Light Storage under LED Condition on Quality of Pepper Seedling China Vegetables 2017,1 (5) 40-45

LED光照条件下低温弱光贮藏对辣椒种苗质量的影响

作  者：
贺冬仙;闫征南;宋金修;成永三;杜维芬
单  位：
中国农业大学水利与土木工程学院;农业部设施农业工程重点实验室
关键词：
叶绿素含量;辣椒穴盘苗;光补偿点;净光合速率;LED光照
摘  要：
随着我国设施蔬菜种植面积和蔬菜育苗产业的不断扩大,蔬菜商品苗的贮藏和运输成为育苗产业的重要环节。以辣椒品种农大24为试材,研究穴盘成苗在不同低温弱光环境下的形态指标与生理指标变化,旨在明确适合辣椒种苗长期贮藏或长途运输的适宜环境条件。结果表明:温度为11℃,R∶B为1.9的荧光灯且光照强度为30μmol·m~(-2)·s~(-1)、光照周期为12h·d~(-1)的贮藏环境和R∶B为1.3的LED且光照强度为15μmol·m~(-2)·s~(-1)、光照周期为24h·d~(-1)的贮藏环境均能满足14d辣椒种苗贮藏和运输,有效地维持了种苗质量。相比于荧光灯,高光效和低能耗的LED光源更适用于辣椒种苗的低温弱光贮藏和长途运输。
译  名：
Effects of Low Temperature and Poor Light Storage under LED Condition on Quality of Pepper Seedling
作  者：
HE Dong-xian;YAN Zheng-nan;SONG Jin-xiu;CHENG Yong-san;DU Wei-fen;Key Lab. of Agricultural Engineering in Structure and Environment,College of Water Resources and Civil Engineering,China Agricultural University;
关键词：
Chlorophyll contents;;Pepper plug seedling;;Light compensation point;;Net photosynthetic rate;;LED lighting
摘  要：
Storage and transportation of vegetable commercial seedlings becomes an important link,along with the continuous expansion of facility vegetables planting areas and vegetable seedling culture industry.This paper took pepper variety ‘Nongda No.24’ as experimental material and studied on the changes in morphology and physiology indexes of plug seedling under different low temperature and poor light environment,aiming at finding suitable environment condition for long period storage and transportation of pepper seedlings.Results showed that no quality changes found in pepper plug seedlings during 14 days storage and transportation at 11 ℃ temperature in 30 μmol·m~(-2)·s~(-1) light intensity and 12 h·d~(-1) photoperiod and using fluorescent lamp with 1.9 R∶B ratio and in 15 μmol·m~(-2)·s~(-1) light intensity and 24 h·d~(-1) photoperiod using LED.Compared to fluorescent lamp,LED with advantages of high lighting efficiency and low energy consumption is more suitable for providing pepper seedlings with long-distance transportation and storage in low temperature and weak light intensity.

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