Update Artikelilmiah: 10548

AJENG WILA ANDINI

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Abstrak (Bhs. Indonesia)

Program pemuliaan tanaman bertujuan untuk mendapatkan genotip tanaman yang unggul. Perakitan genotip unggul dapat dilakukan dengan persilangan diikuti seleksi. Salah satu kriteria seleksi yang dapat digunakan adalah laju akumulasi bahan kering (LABK). Penelitian ini bertujuan untuk: 1) mengetahui laju akumulasi bahan kering dari enam varietas bawang merah, dan 2) mengetahui pertumbuhan dan hasil enam varietas bawang merah. Penelitian dilaksanakan di rumah plastik lahan percobaan Fakultas Pertanian, Universitas Jenderal Soedirman, Purwokerto, mulai Nopember 2013 sampai Januari 2014. Rancangan percobaan yang digunakan yaitu Rancangan Acak Kelompok (RAK) non faktorial. Perlakuan yang dicoba adalah varietas (Kuning Tablet, Bima Tarmo, Bima Juna, Philip, Tiron dan Blekok). Setiap perlakuan diulangi 6 kali. Variabel yang diamati adalah laju akumulasi bahan kering (LABK), tinggi tanaman, jumlah daun, jumlah anakan total, bobot segar dan kering tajuk, serta bobot segar dan kering akar, jumlah umbi, diameter umbi, bobot segar dan kering umbi per rumpun. Hasil penelitian menunjukkan LABK enam varietas bawang merah pada [30-40] hst dan [40-50] hst adalah sama. LABK [40-50] hst lebih tinggi dibandingkan LABK [30-40] hst. Pertumbuhan enam varietas bawang merah tertinggi berdasarkan bobot tajuk kering adalah Bima Tarmo dan hasil bobot umbi kering adalah Kuning Tablet.

Abtrak (Bhs. Inggris)

Plant breeding program aims to obtain elite plant genotypes. Elite genotype assembly can be done by crossing followed selection. One of the selection criteria is the rate of dry matter accumulation. The rate of dry matter accumulation is the total dry weight of plant biomass produced by metabolic processes within a certain time. The aim of the research are: 1) knowing the rate of dry matter accumulation of six shallot varieties, and 2) determining the growth of shallot varieties. The research was carried out in Screen House Faculty of Agriculture, University of Jenderal Soedirman, Purwokerto on November 2013 to January 2014. The experimental design that used was a Randomized Complete Block Design (RCBD) non factorial. Treatment applied was varieties (Kuning Tablet, Bima Tarmo, Bima Juna, Philip, Tiron and Blekok). The variables observed was the rate of dry matter accumulation, plant height, the number of leaves, the number of tillers, fresh and dry shoot weight, fresh and dry root weight, the number of tubers, tubers diameter, fresh and dry tuber weight per hill. The results of this research showed the rate of dry matter accumulation in [30-40] days period and [40-50] days period are the same. The rate of dry matter accumulation in period [40-50] days higher than [30-40] days The highest growth of six shallot varieties based on dry shoot weight is Bima Tarmo and the highest yield of six shallot varieties based on dry tuber weight per hill is Kuning Tablet.

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