Paper Information

Journal:   IRANIAN JOURNAL OF SEED RESEARCH   2016 , Volume 3 , Number 1 #L0041; Page(s) 39 To 58.
 
Paper: 

INVESTIGATION OF HYDROPRIMING AND OSMOPRIMING WITH ZNSO4 EFFECTS ON CHARACTERISTICS GERMINATION OF THREE WINTER RAPESEED CULTIVARS

 
Author(s):  NAZARI SHAHRAM*, ABOUTALBIAN MOHMMAD ALI, GOLZARDI FARID
 
* FACULTY OF AGRICULTURE, UNIVERSITY OF BU-ALI SINA, HAMEDAN, IRAN
 
Abstract: 

Seed priming is a method which is a quite effective method in improving germination and seedling establishment. Two separated experiments were performed to determine the best hydro and osmopriming treatments effects on canola‘s seed germination. The experiments were performed in seed technology laboratory of Islamic Azad University, Karaj, Iran, 2014. The first experiment contained three canola varieties seeds hydropriming (Okapi, Zarfam and Talayeh) using tap water over time interval 0.2, 6, 10, 14, 18, 20 and 24 hours. The second experiment included, tree canola cultivars in accompany with six concentrations of ZnS04 (0, 0.035, 0.1, 0.4, 1 and 4 gr.Lit-1) over priming time interval of 0, 6, 10 14 and 18 hours. Both experiments were conducted as factorial experiment in the context of completely randomized design (CRD) with four replications. The results revealed that the maximum germination percentage across all cultivars e.g. Okapi (99%), Zarfam (95%) and Talayeh (80%) is achieved at 10 hours hydropriming interval. Also concerning to germination rate, the best performance was observed for Talayeh cultivar at 10 hydropriming hour’s interval. The most vigor longitudinal and vigor weighted indices (1050.55 and 4.56) were observed in the Okapi cultivar in the fourth hydropriming level. The interaction between the cultivars, concentration of ZnS04 and osmopriming time was significant for all characters except for shoot dry weight and vigor weighted Index. The three way interaction shown that the highest shoots dry weight (0.11, 0.057 and 0.055) and also vigor weighted index observed in Okapi, Zarfam and Talayeh cultivar in 0.035 concentration of ZnS04 (gr.lit-1) at the time was 10 hours, respectively. The results of this study showed that hydropriming and ZnS04 might improve the performance of rapeseed Cultivars seed.

 
Keyword(s): GERMINATION PERCENTAGE, GERMINATION RATE, VIGOR WEIGHTED INDEX, SHOOT DRY WEIGHT
 
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