Variation of Fruits Phenotipic and Seeds Germination of Swietenia macrophylla King. Taken from Several Populations in Indonesia
2017
Mashudi - | Hamdan Adma Adinugraha | Dedi Setiadi | Mudji Susanto
Broad leaf mahogany (Swietenia macrophylla King.) is one of popular species developed in the state forest plantations and smallholder forest. Although it is not native in Indonesia, but the species has high genetic diversity. This study was conducted to determine the morphological variation of fruits, seeds, and also seeds germination of broad leaf mahogany from several populations in Java and West Nusa Tenggara. The research was arranged in completely randomized design with native populations and parent trees as treatments. The results showed significant variations between the populations and parent trees on fruit weight, fruit length, fruit diameter, number of seeds in the fruit, and seeds germination rate except the number of seeds per kilogram. The average per population of fruit weight ranged from 275 to 385 g, fruit lengths from 12 to 15 cm, fruit diameter from 7 to 9 cm, the number of seeds per fruit 59 to 64 grains and 44 - 96 % of seeds germination rate. The average per parent trees of fruit weight ranged from 153 to 490 g, fruit lengths from 10 to 20 cm, fruit diameter from 6 to 10 cm, and the number of seeds per fruit 52 to 69 grains. Fruit phenotipic of S. macrophylla varies between populations with the best seed germination indicated by the populations of Central Lombok, Bantul and Banjar amounted to 86-96%.
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