Seleksi Progeni F1 Hasil Persilangan Tetua Betina IRR 111 dengan Beberapa Tetua Jantan 2006Pada Tanaman Karet(Hevea brassiliensis Muell Arg.).

Sulvizar Musranda, Rosmayati Rosmayati, Revandy Iskandar M. Damanik.

Abstract


The objective of this research is to get the best progeny based on potential of latex yield
characteristic, timber yield characteristic and latex-timber yield resulted from 2006 hand pollination
The research wasconducted in ± 54 m above sea level at Balai Penelitian Sungei Putih Pusat
Penelitian Karet Galang Deli Serdang Sumatera Utara Medan from February2014 - July 2014. The
research is done by measuring coefisien varians, correlation, regression, path analysis, 10 % and 1
% selection intensity, and two line pattern.
The research showed based on selection latex yield are 115/06 and 136/06 (intensity 10% and 1%),
based on selection timber yield with intensity 10 %  are 100/06, 4/06, 25/06, 41/06, 150/06, 29/06
and intensity 1 % is 100/06, progeny 136/06 and 29/06 are potential progenies as latex and timber
yield for cross 2006 with girth and diameter of latex vessels had directeffect for latex yield and
component girth and height of primary branches had direct  effect for timberyield.

Key words : Hevea brasiliensis, progeny, path analysis, selection


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Program studi Agroteknologi

Fakultas Pertanian

Jl. Prof. A. Sofyan no. 3

Kampus Universitas Sumatera Utara

Padang Bulan- 20155

Medan-Sumatera Utara

E ISSN (2337-6597)