Effect of Water Stress Induced by PEG on Growth and Quality of Bunching Onion

De Zhong Dong; Hou Cheng Liu; Shi Wei Song; Guang Wen Sun; Ri Yuan Chen

doi:10.4028/www.scientific.net/AMM.142.116

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 142Effect of Water Stress Induced by PEG on Growth...

Effect of Water Stress Induced by PEG on Growth and Quality of Bunching Onion

Abstract:

The effect of water stress on growth and quality of bunching onion（Allium fistulosum L. var. caespitosum Makino）was studied in hydroponics by PEG treatments (10%, 15%, 20%). The results showed that the growth of bunching onion was significantly affected by water stress induced by PEG. Plant height, pseudo-stem weight, total plant weight decreased with PEG concentration increased, the inhibitions in 10% PEG and 20% PEG were greater than in 15% PEG. The root/shoot ratio increased in PEG treatments. Concentrations of allicin and pyruvic acid significantly increased at 10, 17 days after PEG treatments. With PEG concentration increased, concentrations of soluble protein increased.

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Periodical:

Applied Mechanics and Materials (Volume 142)

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116-119

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.142.116

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Online since:

November 2011

Authors:

De Zhong Dong, Hou Cheng Liu, Shi Wei Song, Guang Wen Sun, Ri Yuan Chen

Keywords:

Bunching Onion, Growth, PEG, Quality

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