The Response of Provenance and Family to Drought Stress at the Progeny Trial of Alstonia Angustiloba

Mashudi Mashudi • Liliana Baskorowati
Journal article Jurnal Penelitian Kehutanan Wallacea • 2016 Indonesia

Unduh teks lengkap
(Bahasa Indonesia, 13 pages)

Abstrak

This experiment aimed to identify the provenance and family responses to drought stress of Alstonia angustiloba Miq. progeny trial. This experiment was arranged in randomized complete block design. The research used 2 factors, i.e. provenance (Banten, Muara Enim, Musi Rawas and West Sumatera) and family (43 families). In this experiment, family factor was nested in the provenance. The results showed that the addition of the lowest mortality occurred in Banten provenance (9.22%) and highest in Muara Enim provenance (19.44%). A total of 36 families had additional mortality in the range of 4.17 to 33.33%. Height and stem diameter increment of all provenances decreased due to drought stress, which ranged respectively from 0.02 to 0.27 m/year and 0.02 to 0.05 cm/year. Ranking of height increment did not change before and after the occurrence of drought stress, i.e. with the following order provenance of Muara Enim, Banten, Musi Rawas and Solok. In the family level, ranking of height and stem diameter increment before and after drought stress were vary slightly.

Metrik

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Jurnal

Jurnal Penelitian Kehutanan Wallacea

Jurnal Penelitian Kehutanan Wallacea (JPK Wallacea) adalah publikasi ilmiah hasil penelitian bida... tampilkan semua