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2006•Anhui nongye kexueRequires access

Effects of Polyethylene Glycol(PEG)-simulated Drought Stress on Mulberry Seed Germination and Physiology

Jialing Cheng

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Abstract

Fengci mulberry seeds being used as material,the effects of the different contents of polyethylene glycol(PEG)(0,1,2.5,5,7.5 and 10 g/L-simulated drought stress on mulberry seed germination and physiology were studied.The results showed that the germination velocity,ratio and potential of the seeds that were treated with 1 % PEG were higher than the CK,but those of other treatments were obviously decreased as the increase of the content of PEG.The seeds treated with 10 %PEG did not germinate after 5 days.The proline content was decreased when they were treated with low content of PEG and increased when they were treated with high content of PEG,but the content of dissoluble protein and sugar was increased along with the increase of the content of PEG.

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What this paper is about

Fengci mulberry seeds being used as material,the effects of the different contents of polyethylene glycol(PEG)(0,1,2.5,5,7.5 and 10 g/L-simulated drought stress on mulberry seed germination and physiology were studied.The results showed that the germination velocity,ratio and potential of the seeds that were treated with 1 % PEG were higher than the CK,but those of other treatments were obviously decreased as the increase of the content of PEG.The seeds treated with 10 %PEG did not germinate after 5 days.The proline content was decreased when they were treated with low content of PEG and increased when they were treated with high content of PEG,but the content of dissoluble protein and sugar was increased along with the increase of the content of PEG.

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Available abstract

Fengci mulberry seeds being used as material,the effects of the different contents of polyethylene glycol(PEG)(0,1,2.5,5,7.5 and 10 g/L-simulated drought stress on mulberry seed germination and physiology were studied.The results showed that the germination velocity,ratio and potential of the seeds that were treated with 1 % PEG were higher than the CK,but those of other treatments were obviously decreased as the increase of the content of PEG.The seeds treated with 10 %PEG did not germinate after 5 days.The proline content was decreased when they were treated with low content of PEG and increased when they were treated with high content of PEG,but the content of dissoluble protein and sugar was increased along with the increase of the content of PEG.

Key concepts: PEG ratio, Polyethylene glycol, Germination, Sugar, Proline, Drought stress, Water content, Chemistry

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Effects of Polyethylene Glycol(PEG)-simulated Drought Stress on Mulberry Seed Germination and Physiology — Research Paper | ScholarLens