Growth and glucosinolate profiles of Eruca sativa (Mill.) (rocket salad) and Diplotaxis tenuifolia (L.) DC. under different LED lighting regimes

IF 2.3 3区农林科学 Q1 AGRONOMY

Plant, Soil and Environment Pub Date : 2022-10-07 DOI:10.17221/44/2022-pse

D. Stajnko, P. Berk, A. Orgulan, Marko Gomboc, D. Kelc, J. Rakun

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Abstract

In this study, the growth and glucosinolate (GSL) profiles of rocket salad Eruca sativa (Mill.) and Diplotaxis tenuifolia (L.) DC. were determined during 30 days growing under different lighting regimes; T5_ peak at 545 nm, LED1_ peak at 631 nm and LED2_ peak at 598 nm. The biggest increase of dry weight (DW) was measured in E. sativa under T5 (0.657 g DW/plant) and the lowest in D. tenuifolia under LED1 (0.080 g DW/plant). GSL content was found to vary significantly, regardless of the light treatment, but it is related with genotype (E. sativa, r = 0.802**). On average, the highest amount of 4-methylsulfinylbutyl-GSL (glucosativin) (7.3248 mg/g DW) was quantified in E. sativa and D. tenuifolia (6.7428 mg/g DW) under the T5. The regression analysis between different light wavelengths and glucosinolates showed the strongest correlation between photosynthetic photon flux density (PPFD_B) and 4-methylthiobutyl-GSL (glucoerucin) in E. sativa (r = 0.698*) and D. tenuifolia (r = 0.693*), respectively, which indicates the effect of light on the response of plants to induced stress and changes in GSL biosynthesis.

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芥菜(Eruca sativa) (rocket salad)和龙葵(Diplotaxis tenuifolia) (L.)的生长和硫代葡萄糖苷谱直流。在不同的LED照明系统下

在本研究中，研究了火箭沙拉Eruca sativa（Mill.）和Diplotaxis tenifolia（L.）DC的生长和硫代葡萄糖苷（GSL）图谱。在不同光照条件下生长的30天内测定；T5_峰在545nm，LED1_峰在631nm，LED2_峰在598nm。在T5条件下，E.sativa的干重（DW）增幅最大（0.657 g DW/株），而在LED1条件下，细叶苜蓿的干重增幅最低（0.080 g DW/植株）。研究发现，无论光照处理如何，GSL含量都有显著差异，但与基因型（E.sativa，r=0.802**）有关。平均而言，在T5下，E.sativa和D.tenifolia中4-甲基亚磺酰基丁基-GSL（葡糖活性蛋白）的含量最高（7.3248 mg/g DW）（6.7428 mg/g DW）。不同光波长与硫代葡萄糖苷的回归分析表明，光合光子通量密度（PPFD_B）与4-甲基硫代丁基-GSL（葡萄柚苷）在E.sativa（r=0.698*）和D.tenifolia（r=0.693*）中的相关性最强，这表明光照对植物对诱导胁迫的反应和GSL生物合成变化的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Plant, Soil and Environment Agronomy, Soil Science-农艺学

CiteScore

4.80

自引率

4.20%

发文量

审稿时长

2.4 months

期刊介绍： Experimental biology, agronomy, natural resources, and the environment; plant development, growth and productivity, breeding and seed production, growing of crops and their quality, soil care, conservation and productivity; agriculture and environment interactions from the perspective of sustainable development. Articles are published in English.