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Paper Information

Journal:   SEED RESEARCH (JOURNAL OF SEED SCIENCE AND TECHNOLOGY)   FALL 2012 , Volume 2 , Number 3; Page(s) 1 To 10.
 
Paper: 

EVALUATION EFFECT OF TRITICALE (TRITICOSECALE WITTMACK) SEED SIZE ON GERMINATION TRAITS UNDER STRESS INDUCED BY TWO DIFFERENT AGENTS

 
 
Author(s):  SAADATIAN B.*, SOLEYMANI F., AHMADVAND G., KOHI MOHAMADABAD Y.
 
* BU-ALI SINA UNIVERSITY, HAMEDAN, IRAN
 
Abstract: 

In order to evaluate Triticale (Triticosecale wittmack) seed size effect on germination under stress condition, two experiments were conducted in factorial arrangement based on completely randomized design with three replications in Faculty of Agriculture of Bu Ali Sina University, Hamedan. In both experiments and factors included seed size in three levels (Small, Medium and Large) and stress in five levels (0, -0.2, -0.4, -0.6 and -0.8 MPa). In the both experiments salinity and drought stress levels in 1st and 2nd experiments produced respectivelyby sodium chloride and PEG6000, germination percentage, germination rate, radicle length, plumule length and seedling dry weight was reduced by increasing stress. Under salinity stress, decline slopes of mentioned traits were more negative than drought stress. Germination rate, radical length and seedling dry weight of small seeds were significantly less than medium and large seeds. Under drought stress only germination rate of small seeds had only significant difference with two other groups. In both experiments, interaction effects of stress and seed size had no significant difference. High correlation observed between seed germination rate with plumule length, radicle length and seedling dry weight traits. In general, under salinity and drought stress levels didn’t show difference in germination traits between three seed gropes.

 
Keyword(s): DROUGHT STRESS, GERMINATION CHARACTERS, SALINITY STRESS
 
References: 
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