Evaluation, Germination, Seed Vigor and Seedling Emergence and Field Performance of Various Cultivars and Accessions in Red clover (T. pretense L.(, Persian (T. resupinatum L.) and Berseem (T. alexandrinum L.)

Document Type : Original Article

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Abstract

In this study, to evaluate the seed vigor tests associated with the seedling field emergence and yield of clover cultivars three separate experiments consisted of germination test and seed accelerated aging test in a completely randomized design with 4 replications in Islamic Azad University, Ahvaz and culture in the city of Shoushtar in a randomized complete block design with three replications on 11 cultivars and accessions of clover of 3 species (T. pratense, T. alexandrinum and T. resupinatum) was conducted in 2014. Traits of germination percent, germination rate, seedling fresh weight and dry weight measured in laboratory conditions and traits of seedling field emergence percent and rete, height of plant, number of stem in plant and dry forage yield in field conditions. The results showed that seed accelerated aging test reduces seed germination percent (21%), germination rate (59%) and fresh weight (6%) and dry weight (48%) respectively. In terms of percent and rate of germination and seedling emergence in 3 experiments varieties of Berseem Multicut and Berseem Sucromont were superior cultivars. The maximumu of the dry forage yield of 9.26 tons per hectare belonged to Berseem Multicut. So it became clear that species of Alexandrinum. is compared to other species in the city of Shoushtar. The results of canonical correlation analysis between showed that between stem characteristics in farm and germination components and growth in germination test and seed accelerated aging test there are significant relationships. Therefore the seed accelerated aging test and germination test well could emergence percent and plant establishment of clover in the field predict.

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References

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Iranian Journal of Seed Science and Technology
Volume 7, Issue 1 - Serial Number 13
August 2018
Pages 151-165

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