|Table of Contents|

Effects of Different Ratios of Red and Blue Light on Growth and Material Distribution of Celery Seedlings

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2022年08
Page:
41-45
Research Field:
Publishing date:

Info

Title:
Effects of Different Ratios of Red and Blue Light on Growth and Material Distribution of Celery Seedlings
Author(s):
LI Han1; ZHU Weimin2; YAN Jun2; WANG Hong2; HUANG Zhiwu2; XU Zhigang1
(1．College of Agriculture，Nanjing Agricultural University，Nanjing，Jiangsu 210095；2.Horticulture Research Institute，Shanghai Academy of Agricultural Sciences/Key Laboratory of Protected Horticulture Technology，Shanghai 201403)
Keywords:
red and blue LED light; celery seedlings; growth and development; material distribution
PACS:
-
DOI:
10.11937/bfyy.20214456
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.

References:

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Last Update: 2022-07-08