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Effect of Water Stress on Germination of Cotton Seeds

Meng Kuang

Open publisher page 1 citations

Abstract

The effect of water stress on germination of cotton seeds was studied,while different treatments were simulated as different concentrations of polyethylene glycol(PEG).The result showed that as water potential decreased,germination percentage,speed of germination,germination index,vigor index,sprout length,roots length,R/S(ratio of root to shoot),fresh and dry weight of plant decreased in different extent.The decreasing extent of percentage germination and R/S were not distinct in lower stress.However,all of the indexes were restrained intensely while concentrations of PEG exceed 15%.

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What this paper is about

The effect of water stress on germination of cotton seeds was studied,while different treatments were simulated as different concentrations of polyethylene glycol(PEG).The result showed that as water potential decreased,germination percentage,speed of germination,germination index,vigor index,sprout length,roots length,R/S(ratio of root to shoot),fresh and dry weight of plant decreased in different extent.The decreasing extent of percentage germination and R/S were not distinct in lower stress.However,all of the indexes were restrained intensely while concentrations of PEG exceed 15%.

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Available abstract

The effect of water stress on germination of cotton seeds was studied,while different treatments were simulated as different concentrations of polyethylene glycol(PEG).The result showed that as water potential decreased,germination percentage,speed of germination,germination index,vigor index,sprout length,roots length,R/S(ratio of root to shoot),fresh and dry weight of plant decreased in different extent.The decreasing extent of percentage germination and R/S were not distinct in lower stress.However,all of the indexes were restrained intensely while concentrations of PEG exceed 15%.

Key concepts: Germination, PEG ratio, Polyethylene glycol, Shoot, Water stress, Drought stress, Dry weight, Horticulture

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