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2篇 您的检索式:作者名="Kevin M Folta"
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1Sequential light programs shape kale (Brassica napus) sproutappearance and alter metabolic and nutrient content显示文摘Different light wavelengths have specific effects on plant growth and development.Narrow-bandwidth light-emitting diode(LED)lighting may be used to directionally manipulate size,color and metabolites in high-value fruits and vegetables.In this report,Red Russian kale(Brassica napus)seedlings were grown under specific light conditions and analyzed for photomorphogenic responses,pigment accumulation and nutraceutical content.The 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 metabolites.However,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.Sequential treatments of darkness,blue light,red light and far-red light were applied throughout sprout development to alter final product quality.These results indicate that sequential treatment with narrow-bandwidth light may be used to affect key economically important traits in high-value crops.Sofia D Carvalho Kevin M Folta 2014Horticulture Research2014,1,1:6
2Sensory sacrifices when we mass-produce mass produce显示文摘Plant breeders have been extremely successful at driving genetic improvements in crops.However,‘improvements’are truly a question of perspective.Over the last one-hundred years most plant genetic innovations have been driven by industry demand.Larger fruits,heavier yields,uniformity,increased resistance to disease and better shipping quality are just a few of the traits that have ensured profits on the farm and affordable food for consumers.However,these milestones have come at the expense of sensory qualities,which have been sacrificed in exchange for practical production objectives.With a base of industry-sufficient genetics,today’s breeders can now turn to the consumer for guidance in defining critical desires.New approaches to plant breeding start with the analysis of consumer preferences,and then merge them with modern genomics and analytical chemistry tools.The result is the next generation of crops that meet supply chain demands while presenting improvements in flavor,nutrition,color,aroma and texture.This review analyzes the approach of consumer-assisted selection as it has been applied to tomato and strawberry,two complementary annual crops that have been intensively bred to meet industry expectations.Current breeding efforts start with the consumer,with the objective of reclaiming lost sensory qualities.Kevin M Folta Harry J Klee 2016Horticulture Research2016,3,1:2
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