Respons Pemberian IBA, MSG dan Rootone-F terhadap Pertumbuhan Setek Batang Tanaman Alpukat (Persea americana Mill.).

Abstract

Tanaman alpukat (Persea americana Mill.) adalah tanaman holtikultura yang perlu dikembangkan karena memiliki nilai ekonomi tinggi. Tujuan dari penelitian ini adalah mengetahui pengaruh bagian bahan setek batang (batang bagian ujung dan bagian pangkal) serta konsentrasi ZPT (Zat Pengatur Tumbuh) berupa IBA (Indole butryic acid) konsentrasi (20 ppm dan 30 ppm), MSG (Monosodium Glutamate) konsentrasi (20 ppm dan 100 ppm) dan Rootone-F pasta 1000 ppm terhadap kemampuan berakar dan bertunas pada tanaman alpukat. Parameter keberhasilan yang diamati adalah persen hidup, persen berakar, jumlah akar, panjang akar, waktu muncul tunas, jumlah tunas. Perlakuan pemberian ZPT tambahan berpengaruh nyata terhadap parameter persen hidup, persen berakar dan waktu muncul tunas alpukat. Perlakuan MSG 20 ppm memberikan hasil terbaik untuk merangsang perakaran sebesar 60%. Perlakuan bagian batang berpengaruh terhadap parameter persen hidup dan jumlah tunas. Perlakuan batang bagian pangkal memberikan hasil terbaik terhadap persen hidup setek sebesar 61,11%.

The avocado plant (Persea americana Mill.) is a horticultural plant that needs to be developed because it has high economic value. The aim of this research is: to determine the effect of the stem cutting material (stem end and base) as well as the concentration of ZPT (Growth Regulator) in the form of IBA (Indole butryic acid) concentration (20 ppm and 30 ppm), MSG (Monosodium Glutamate) concentration (20 ppm and 100 ppm) and RootoneF paste 1000 ppm on the ability to root and sprout in avocado plants. The success parameters observed is percent alive, percent rooted, number of roots, root length, time shoots appeared, number of shoots. The treatment of providing additional ZPT had a significant effect on the parameters of percent alive, percent rooted and time to emergence of avocado shoots. 20 ppm MSG treatment gave the best results to stimulate rooting by 60%. The treatment of the stem part affects the parameters of the live cutting and the number of shoots. Treatment of the base of the stem gave the best results for the percentage of survival of the cuttings at 61.11%.