LI Han,ZHU Weimin,YAN Jun,et al.Effects of Different Ratios of Red and Blue Light on Growth and Material Distribution of Celery Seedlings[J].Northern Horticulture,2022,(08):41-45.[doi:10.11937/bfyy.20214456]
不同红蓝光比例对芹菜幼苗生长和物质分配的影响
- Title:
- Effects of Different Ratios of Red and Blue Light on Growth and Material Distribution of Celery Seedlings
- 文献标志码:
- A
- 摘要:
- 以黄心芹幼苗为试材,设置红蓝光8∶1(R8B1)、红蓝光2∶1(R2B1)、红蓝光1:2(R1B2)、红蓝光1∶8(R1B8)共4个光处理,以白光(W)为对照,探究不同光源下芹菜幼苗的生长发育和物质分配情况,以期为芹菜的工厂化育苗提供参考依据。结果表明:与对照相比,R8B1和R2B1处理能明显的增加幼苗高度但却使茎粗下降,R1B2和R1B8的效果则明显相反。芹菜幼苗的叶面积随蓝光的比例增加显著降低,而叶片数和单位面积叶质量(MA)则显著增加,这说明不同红蓝光比例会显著影响芹菜幼苗的叶片发育。根系和叶片的干物质分配在各处理之间没有明显差别;叶柄的干物质分配也仅在R8B1和R1B8之间存在显著差异。所有处理中R1B2组合拥有最大的鲜质量和干质量,以及更加矮壮的株型和更多的叶片数,说明R1B2更有利于芹菜幼苗的均衡生长。
- Abstract:
- Taking Huangxin celery seedlings as test materials,red blue light 8∶1 (R8B1),red blue light 2∶1 (R2B1),red blue light 1∶2 (R1B2) and red blue light 1∶8 (R1B8) were treated,white light (W) was used as control.The growth and material distribution of celery seedlings under different light sources were investigated,in order to provide reference for the industrial cultivation of celery seedlings.The results showed that compared with the control,R8B1 and R2B1 treatments significantly increased seedling height but decreased stem diameter,while R1B2 and R1B8 treatments had the opposite effect.In addition,the leaf area of celery seedlings decreased significantly with the increase of blue light ratio,while the number of leaves and leaf weight per unit area (MA) increased significantly,suggesting that different red and blue light ratio could significantly affect the leaf development of celery seedlings.There was no significant difference in dry matter distribution of roots and leaves among different treatments.The dry matter distribution of petiole was significantly different only between R8B1 and R1B8.Among all the treatments,R1B2 combination had the largest fresh and dry weight,shorter and stronger plant type and more leaves number,indicating that R1B2 was more conducive to balanced growth of celery seedlings.
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相似文献/References:
[1]李涵,朱为民,吴珏,等.不同光质处理对芹菜幼苗生长及叶片荧光诱导动力学的影响[J].北方园艺,2023,(07):18.[doi:10.11937/bfyy.20223078]
LI Han,ZHU Weimin,WU Yu,et al.Effects of Different Light Quality Treatments on Growth and Fluorescence Induction Kinetics of Celery Seedlings[J].Northern Horticulture,2023,(08):18.[doi:10.11937/bfyy.20223078]
备注/Memo
第一作者简介:李涵(1997-),男,硕士研究生,研究方向为设施光环境调控。E-mail:18264870726@163.com.责任作者:徐志刚(1967-),男,博士,教授,博士生导师,现主要从事设施园艺工程及植物光生物学等研究工作。E-mail:xuzhigang@njau.edu.cn.基金项目:上海市农委资助项目(沪农科推字[2019]第1-12号)。收稿日期:2021-11-04