Effect of Different LED Light Formulations in Seedlings Raising on the Growth and Yield of Cherry Tomato

doi:10.15933/j.cnki.1004-3268.2025.08.014

Abstract

Abstract: In order to investigate the effects of LED light formulations in seedlings raising on the growth，yield and quality of cherry tomato，the tomato cultivar Yuekeda 205 was used as the test material，and four light formulations were set up here，including T1（white light），T2（the red/blue light with the ratio 3∶1），T3（the red/blue light with the ratio 1∶1），T4（the red/blue light with the ratio 1∶3）［photosynthetic photon flux density（PPFD）=200 μmol/（m²·s）］，and T5（natural light）was used as the control group［PPFD=500—600 μmol/（m²·s）］.The results showed that LED light formulations supplied in seedlings raising could significantly increase the plant height，stem diameter，leaf number，total dry mass and seedling strength index of cherry tomato seedlings，which was more beneficial to cultivate strong seedlings as compared with T5 treatment.In addition，different LED light formulations supplied in seedlings raising significantly increased the number of flowers and fruit set of cherry tomato.Compared with T5，T2 not only significantly increased the total number of flowers and fruit set in plants，but also improved the content of phosphorus and fruit fresh mass per plant. Meanwhile，through principal component analysis，T2 was found to rank first in comprehensive score，indicating the best comprehensive effect on cherry tomatoes.Therefore，proper LED light formulation supplied in the seedling raising is an effective strategy to promote the cultivation of strong seedlings and ensure fruit yield of cherry tomato without compromising fruit quality.

Key words: Cherry tomato, LED light formulation, Seedling strength index, Fruit yield, Fruit quality

摘要： 为了探明LED光配方育苗对樱桃番茄生长特性、果实产量和品质的影响，以粤科达205为试验材料，设置4种育苗LED光配方：T1（白光）、T2（红蓝光3∶1）、T3（红蓝光1∶1）、T4（红蓝光1∶3）［光合光子通量密度（PPFD）=200 μmol/（m²·s）］，以T5（自然光）为对照［PPFD=500~600 μmol/（m²·s）］。结果表明，相比T5处理，LED光配方育苗可以显著提高樱桃番茄幼苗的株高、茎粗、叶片数、总干质量及壮苗指数，更利于培育壮苗。不同LED光配方育苗显著提高樱桃番茄的开花数和坐果数，其中，T2处理还显著提高樱桃番茄果中磷含量及单株果鲜质量。通过主成分分析发现，T2处理的综合得分居于首位，对樱桃番茄的综合影响效应最佳。因此，在育苗过程中，适当的LED光配方是促进樱桃番茄培育壮苗，并保证果实产量的有效栽培措施。

关键词: 樱桃番茄, LED光配方, 壮苗指数, 果实产量, 果实品质

CLC Number:

S641.2

YANG Xin, LI Yanhong, NIE Jun, XIE Yuming, SHI Liangliang, ZHENG Jinrong. Effect of Different LED Light Formulations in Seedlings Raising on the Growth and Yield of Cherry Tomato[J]. Journal of Henan Agricultural Sciences, 2025, 54(8): 140-150.

杨鑫, 李艳红, 聂俊, 谢玉明, 史亮亮, 郑锦荣. 不同LED 光配方育苗对樱桃番茄生长和产量的影响[J]. 河南农业科学, 2025, 54(8): 140-150.

Figures/Tables 9

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