Genetic variability and heritability on Kipas Putih soybean mutant lines using gamma rays irradiation (M3 generation)

Nilahayati, Nilahyati and Rosmayati, Rosmayati and Hanafiah, Diana Sofia and Fauziyah Harahap, Fauziyah Harahap (2018) Genetic variability and heritability on Kipas Putih soybean mutant lines using gamma rays irradiation (M3 generation). In: Agriculture Environment Food Science (AEFS) USU, 7-8 November 2017, Arya Duta Hotel, Medan.

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Abstract

The objective of the research was to determine the selection criteria in Kipas Putih Soybean with gamma rays irradiation in M3 generation. In this study there are four populations namely population 0 Gray (control), 100 Gray, 200 Gray and 300 Gray. The results showed that high genotypic coefficient of variation (GCV) was obtained on the number of pods and seed weight per plant in population 200 Gy, number of branches on 100 Gy and 300 Gy, number of pods and seed weight per plants 100 and 200 Gy, moderate GCV in number of branches on 100 and 300 Gy while other characters such as plant height, numbers of branches on 200 Gy, flowering and harvest age have narrow GCV criteria. High heritability values are found in 300 Gy on plant height, number of branches 300 Gy, number of pods and seed weight per plant 200 Gy, days to flower 200 Gy and 300 Gy and days to harvest of all doses. Based on the genetic variabiliy and heritability, characters that can be used as selection criteria in this study is number of pods and seeds weight per plant, days to flower and days to harvest.

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