Abstract
Mentik Wangi rice is local rice originating from Yogyakarta Indonesia, which has distinctive fragrant and fluffier texture. The problems that occur in Mentik Wangi rice cultivation are that the harvest time is longer, and the plants are too high so that it gives a potential lower production impact because it is easy to collapse. One way to overcome this problem is through plant breeding with gamma-ray irradiation. The aim of this research is to select Mentik Wangi M5 irradiated by 100 Gy gamma-ray, which has a short stem and has high productivity. Observation data were analyzed descriptively, followed by a T-test to compare the performance of Mentik Wangi M5 rice plants from 100 gray gamma irradiation with control plants (without irradiation). The shortest plant height is in the M-MW1-G12-01-18–05 of 96cm with a height range of 96–110 cm. The highest number of productive tillers was found in the M-MW1-G80-11-08-15 with a range of 15–25 tillers. The highest panicle density index range was found in the M-MW1-G35-02-06-19 of 4.6-6.77. The highest level of plant productivity was found in the M-MW1-G12-01-18-01 which was 5.95 tons/ha. The results of the selection there are 21 individual plant mutans.
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