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2012•Northern HorticultureRequires access

Effects of PTMAC on Cucumber Seed Germination and Seedling Growth

Zhang Ping-yan

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Abstract

The effects of organic amine(PTMAC) were studied on cucumber seed germination and seedling growth by using different concentration in this paper.The results showed that when the PTMAC concentration under 10 mg/L,each index was better,the germination potential(GP),germination rate(GR),germination index(GI),vitality index(VI) were increased apparently,especially the VI significant increased by 43.74%;Appropriate concentration of PTMAC to seedling growth had stimulative effect,when the concentration of PTMAC at 10 mg/L,fresh weight had increased obviously by 34.71%,root activity increased 138.71%,when the concentration of PTMAC at 20 mg/L,the highest content of chlorophyll increased by 41.47%.When the concentration of PTMAC more than 50 mg/L,the germination of seeds of cucumber and seedling growth had apparent inhibition.

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What this paper is about

The effects of organic amine(PTMAC) were studied on cucumber seed germination and seedling growth by using different concentration in this paper.The results showed that when the PTMAC concentration under 10 mg/L,each index was better,the germination potential(GP),germination rate(GR),germination index(GI),vitality index(VI) were increased apparently,especially the VI significant increased by 43.74%;Appropriate concentration of PTMAC to seedling growth had stimulative effect,when the concentration of PTMAC at 10 mg/L,fresh weight had increased obviously by 34.71%,root activity increased 138.71%,when the concentration of PTMAC at 20 mg/L,the highest content of chlorophyll increased by 41.47%.When the concentration of PTMAC more than 50 mg/L,the germination of seeds of cucumber and seedling growth had apparent inhibition.

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Available abstract

The effects of organic amine(PTMAC) were studied on cucumber seed germination and seedling growth by using different concentration in this paper.The results showed that when the PTMAC concentration under 10 mg/L,each index was better,the germination potential(GP),germination rate(GR),germination index(GI),vitality index(VI) were increased apparently,especially the VI significant increased by 43.74%;Appropriate concentration of PTMAC to seedling growth had stimulative effect,when the concentration of PTMAC at 10 mg/L,fresh weight had increased obviously by 34.71%,root activity increased 138.71%,when the concentration of PTMAC at 20 mg/L,the highest content of chlorophyll increased by 41.47%.When the concentration of PTMAC more than 50 mg/L,the germination of seeds of cucumber and seedling growth had apparent inhibition.

Key concepts: Seedling, Germination, Horticulture, Biology, Chlorophyll, Agronomy, Chemistry

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