EVALUATION OF DAMAGE CAUSED BY BRUCHUS PISORUM L. ON SOME PARAMETERS RELATED TO SEED QUALITY OF PEA CULTIVARS
Journal Title: International Journal of Pharmacognosy - Year 2015, Vol 2, Issue 7
Abstract
It was evaluated the damage caused by Bruchus pisorum on the germination ability of pea forage cultivars. Result of damage in seeds with parasitized larva was significant decrease of the germination by 16.4% percentage points, the length and weight of primary radicle by 16.8 and 24.5%, the length and weight of plumule by 12.3 and 14.1%, the vigor index of primary radicle and plumule by 32.5 and 32.8% as well as the germination index by 17.4%. The inhibitory effect was 17.8%. Essential significant changes regarding the studied parameters were found for damaged seeds with bruchid emergence hole. There the germination decrease by 58.3% percentage points, the length and weight of primary radicle by 34.1 and 36.2%, the vigor index of primary radicle and plumule by 81.1 and 82.1% as well as the germination index by 83.1%. The inhibitory effect was on average 58.3%. The damaged seeds with parasitoid emergence hole provided the better possibility for growth, development of plants and stable yields. As tolerant to damage by pest distinguished Glyans cultivar for which the values of parameters related to germination and vigor of seeds were influenced in the lowest degree from the damage unlike the sensitive Pleven 4.
Authors and Affiliations
I. Nikolova et al.
Keywords
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