MORFOLOGI DAN VIABILITAS POLEN PADA DUA SPESIES BELIMBING HUTAN (Averrhoa dolichocarpa dan A. leucopetala)

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Kapsah
Dorly
Inggit Puji Astuti

Abstrak

Wild starfruit Averrhoa dolichocarpa and A. leucopetala belong to Oxidaceae family. Both of these species are known as wild startfruit. Usage these species as a fruit or medicine are not discover yet. A number of flowers aborted during pre and at anthesis. As a result the flower failed to produce a fruit. The aims of the research were to study the pollen morphology and viability at a day before anthesis (H-1) and at anthesis (H0) stadia by the method of germination in the Brewbaker and Kwack (BK) and 10% sucrose media. The pollen shape of the wild starfruit (A. dolichocarpa and A. leucopetala) is globose with three aperture or tricolpate. Polen with smooth surfaces is A. leucopetala and polen with rogh surfaces is A. dolicocarpha, also included into the group of medium-type pollen. Preliminary study showed that the optimum incubation time of pollen germination  test was 16 hours. BK medium showed a better result for germination test instead of 10% sucrose with viability 68.4% and 54.6%, respectively. Pollen viability of wild starfruit at H0 stadia (65.29%) was higher than pollen viability at H-1 stadia (57.68%) except on A. dolichocarpa that grow in the slopes on long filaments in both of BK and 10% sucrose media. Pollen viability of wild starfruit on long filaments were higher than on the short filaments i.e. 62.5% and 60.5%, respectively.

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Cara Mengutip
Kapsah, Dorly, Astuti IP. 2016. MORFOLOGI DAN VIABILITAS POLEN PADA DUA SPESIES BELIMBING HUTAN (Averrhoa dolichocarpa dan A. leucopetala). Buletin Kebun Raya 19(2): 79-90. Diambil dari https://publikasikr.lipi.go.id/index.php/buletin/article/view/78

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