Paper ID: 77

INITIAL GROWTH OF KIPAS PUTIH SOYBEAN (GLYCINE MAX (L) Merril) IN VARIOUS DOSAGE OF GAMMA RAYS IRADIATION

Authorship

Nilahayati1

¹Program Study of Agroecotechnology, Faculty of Agriculture, Universitas Malikussaleh, Aceh 24354, Indonesia

nilahayati@unimal.ac.id

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Abstract

Gamma irradiation is the widely used mutagen in assembling plant genetic diversity. The important thing to do is look for the most appropriate dose that gives rise to a great deal of diversity without turning off irradiated plants. This study aims to determine the initial growth response of Kipas Putih soybean seeds due to gamma ray irradiation treatment. Kipas Putih soybean seeds measure their water content up to 11%. Furthermore, gamma ray irradiation was carried out at doses  0, 200, 300, 400, 600, 800 and 1000 Gray. The results showed that there was  decrease % germination in the Kipas Putih soybean seeds at 200 Gray reaching 50%  at 3 weeks after planting. Irradiation doses of 400 Gray and 600 Gray reduce % germination until 20% and 30%, respectively. While at doses of 800 Gray and 1000 Gray, all seeds died at  3 week after planting. Giving gamma ray irradiation also showed a decrease in plant height along with increasing irradiation dose.

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