National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Influence of gamma irradiations was studied in ten varieties of gladiolus (Gladiolus hybrida L.) namely, Candyman Rose, American Beauty, Chandni, Red beauty, Punjab Morning, White Prosperity, Jester, Srijana, Psittacinous Hybrid and Priscilla were irradiated with 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5 and 5.0 kR doses. Earliest sprouting was recorded in 3.0 kr gamma treatment. Higher doses of gamma irradiation show lethal effect on various vegetative and floral traits. Maximum number of days taken to spike emergence was recorded with 3.5 kr dose of gamma irradiation. Earliest flowering was recorded with interaction of control with cv. Candyman Rose. Number of florets per spike reduced due to application of gamma doses, as doses increased and higher doses of gamma rays resulted in minimum number of florets per spike. Radiation treatments at higher doses caused delayed in spike initiation with decrease in spike length, number and size of florets.
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