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Sequential light programs shape kale (Brassica napus) sproutappearance and alter metabolic and nutrient content

作     者:Sofia D Carvalho Kevin M Folta 

作者机构:Horticultural Sciences DepartmentUniversity of FloridaGainesvilleFLUSA Plant Molecular and Cellular Biology ProgramUniversity of FloridaGainesvilleFLUSA Plant Innovation ProgramUniversity of FloridaGainesvilleFLUSA 

出 版 物:《Horticulture Research》 (园艺研究(英文))

年 卷 期:2014年第1卷第1期

页      面:244-256页

核心收录:

学科分类:0710[理学-生物学] 071001[理学-植物学] 07[理学] 

基  金:This work was performed under light sources purchased through the National Science Foundation Grant#IOS-0746756(KMF) 

主  题:treatment content narrow 

摘      要:Different light wavelengths have specific effects on plant growth and ***-bandwidth light-emitting diode(LED)lighting may be used to directionally manipulate size,color and metabolites in high-value fruits and *** this report,Red Russian kale(Brassica napus)seedlings were grown under specific light conditions and analyzed for photomorphogenic responses,pigment accumulation and nutraceutical *** results showed that this genotype responds predictably to darkness,blue and red light,with suppression of hypocotyl elongation,development of pigments and changes in specific ***,these seedlings were relatively hypersensitive to far-red light,leading to uncharacteristically short hypocotyls and high pigment accumulation,even after growth under very low fluence rates(,1 mmol m^(-2) s^(-1)).General antioxidant levels and aliphatic glucosinolates are elevated by far-red light *** treatments of darkness,blue light,red light and far-red light were applied throughout sprout development to alter final product *** results indicate that sequential treatment with narrow-bandwidth light may be used to affect key economically important traits in high-value crops.

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