YIELD TRIAL OF 5 SINGLE CROSS HYBRIDS FROM GAMMA RAY RADIATION INBRED LINES OF MAIZE

Rustikawati , Rustikawati and Catur, Herison and Edhi , Turmudi and Atra , Romeida and Supanjani, Supanjani and Ayu, Komalasari (2016) YIELD TRIAL OF 5 SINGLE CROSS HYBRIDS FROM GAMMA RAY RADIATION INBRED LINES OF MAIZE. In: Proceeding ISEPROLOCAL. Badan Penerbitan Fakultas Pertanian Universitas Bengkulu, Bengkulu, Indonesia, pp. 161-165. ISBN 9786029071184

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Abstract

Maize is the second most important major food source commodity following rice. Maize is also highly used for animal feed and industrial raw materials due to high carbohydrate and protein content in its kernels. Import of maize for animal feed is increasing from year to year. Efforts to improve production can be done by developing high yielding hybrid varieties. A study is aimed to evaluate the yield potential of 5 single cross maize hybrids of mutant gamma radiation inbred lines. The genotypes tested were hybrids CT5, CT8, CT9, CT13, CT14 and BISI-18, one commercial hybrid as a control. The results showed that on the perspective of leaf number, leaf length, leaf width, cob diameter and length, BISI-18 was superior to all hybrids evaluated. However, the newly developed hybrids were earlier to flower and mature than BISI-18. Although BISI-18 also showed highest number of kernel per ear and grain yield, hybrid CT9 and CT13 were not significantly different from those of the commercial hybrid. It needs further field trial at different agro-ecosystems to explore growth and yield of those new developed hybrids.

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