EFFECT OF WATER AND SALINE STRESS ON GERMINATION AND VIGOR OF GHERKIN SEEDS

被引：0
|
作者：
Alves, Charline Zaratin [1 ,2 ]
Dos Santos Lourenco, Flavia Mendes [3 ]
Da Silva, Josue Bispo [4 ,5 ]
Benetoli Da Silva, Tiago Roque [4 ,6 ]
机构：
[1] Univ Estadual Paulista Julio de Mesquita Filho UN, Sao Paulo, Brazil
[2] Univ Fed Mato Grosso do Sul UFMS, Campo Grande, Brazil
[3] Univ Fed Mato Grosso do Sul, Campo Grande, Brazil
[4] Univ Estadual Paulista, Sao Paulo, Brazil
[5] Univ Fed Acre UFAC, Rio Branco, Brazil
[6] Univ Estadual Maringa, Maringa, Parana, Brazil
来源：
INTERCIENCIA | 2014年 / 39卷 / 05期
关键词：
SALT;
D O I：
暂无
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
The objective of this work was to evaluate the germination and vigor of two lots of gherkin seeds in different osmotic potentials using polyethylene glycol (PEG 6000) and sodium chloride (NaCl). Seeds of the 'North' cultivar were sown in germitest paper moistened in solutions of polyethylene glycol and sodium chloride in osmotic potentials of 0, -0.3, -0.6 and -0.9MPa. The experimental design was completely randomized in a factorial 2x4 design (solutions x osmotic potential), with four replications. Seed vigor was evaluated by the germination test, first germination count, length and dry weight of root and hypocotyl. It is concluded that the reduction in osmotic potential from -0.3MPa induced by PEG 6000 and NaCl reduces the germination and vigor of gherkin's seeds. The osmotic stress induced by PEG 6000 produced more severe effects than saline in physiological quality of gherkin's seeds.
引用
收藏
页码：333 / 337
页数：5
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