Abstract
The aim of this research was to describe the potency of superior cultivar upland rice candidates (gogo rice) first generation (M1) which generated from Pae Pulu Pongasi and Pae Loilo, Southeast Sulawesi, Indonesia. The grains were irradiated by 60 Co gamma-rays at 100, 200, 300, and 400 Gy doses. The developed cultivar was selected from numerous red and black rice with highest anthocyanins. Based on LD50 test to these cultivars, Pae Pulu Pongasi cultivar was founded at 416 Gy and Pae Loilo about 360 Gy. Ten superior lines candidates were selected, namely M1.27K2D1, M1.190K2D3 which are derived from M1 Pae Pulu Pongasi cultivar and M1.6K3D1, M1.24K3D1, M1.37K3D1, M1.102K3D1, M1.104K3D1, M1.162K3D1, M1.170K3D1 which derived from M1 Pae Loilo cultivars. M1.81K2D1 derived from M1 Pae Pulu Pongasi had the potential to produce higher yield, high lodging resistance, and short harvest age compared to parental.
Highlights
These individuals had from gamma rays irradiation and this rays able Pulu Pongasi cultivars) caused great changes short harvest age compared to other cultivars
Three cultivars of Pae Loilo first generation from 684 individual at 4 different population treatment were selected by their harvest age and grain productivity ability
There are several individuals which have potentially for further superior lines development with medium harvest age and high productivity through further plant breeding, namely M1.27K2D1, M1.81K2D1 and M1.190K2D3 of Pae Pulu Pongasi cultivars the first generation resulted from Gamma rays irradiation using 100 and 300 Gy dosage, and
Summary
In order to test LD50, the seeds of upland rice cultivar Pae Pulu Pongasi and Pae Loilo (11.8% water content) were irradiated using 60 Co gamma rays. These individuals had from gamma rays irradiation and this rays able Pulu Pongasi cultivars) caused great changes short harvest age compared to other cultivars. The relationship of irradiation dosage and changes of genes cause inhibition of plant (about 10 to 11 days) and grains weight about percentage of survive Pae Pulu Pongasi indi- grows and plant productivity. Three cultivars of Pae Loilo first generation from 684 individual at 4 different population treatment were selected by their harvest age and grain productivity ability. Genetic diversity profiles of Pae Loilo first generation morphological and anatomical characters
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