Penelitian ini bertujuan untuk mengetahui respon hormonAuksin IAA dan Ekstrak Bawang Merah terhadap kemampuan hidup stek pucuk Shorea parvifolia Dyer. Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan pola faktorial 3 x 3 dan didalam masingmasing ulangan berisi 30 stek dengan perlakuan hormon atau zat pengatur tumbuh Auksin IAA (A) dengan dosis 0,1 gr/ml, Ekstrak Bawang Merah (B) dengan kadar 100% dan tanpa perlakuan atau Kontrol (O). Hasil penelitian menunjukkan bahwa : (1) pengaruh zat pengatur tumbuh auksin IAA dan ekstrak bawang merah terhadap perbanyakan stek meranti sabut (Shorea parvifolia Dyer.), menunjukkan bahwa penggunaan hormon auksin IAA adalah yang terbaik dengan mempunyai presentase hidup sebesar 91,11% sementara dengan menggunakan ekstrak bawang merah mempunyai presentase hidup sebesar 87,78% dan tanpa perlakuan (Kontrol) mempunyai presentase hidup sebesar 85,56%. (2) pengaruhzat pengatur tumbuh auksin IAA dan ekstrak bawang merah terhadap perbanyakan stek meranti sabut (Shorea parvifoliaDyer.) terhadap jumlah akar, panjang akar, jumlah daun baru dan jumlah tunas baru adalah berbeda tidak nyata.Kata kunci : auksin, stek meranti, ekstrak. ABSTRACTThe Influence of Regulator Grow Essence Auksin IAA And The Onion Extract to Multiplication Cuttings Meranti Sabut (Shorea parvifolia Dyer.). The purpose of this research are to know hormone Auksin IAA response and onion extract to the ability live of shoot cuttings Shorea parvifolia Dyer. This research using by Completely Randomized Design pattern by 3 x 3 factors and every repetition contain 30 cuttings with the hormone treatment or regulator grow essence auksin IAA (A) by 0,1 gr/ml close, onion extract (B) content by 100% and didn't by treatment or control (O). The result of this research are : (1) the influence of regulator grow auksin IAA essence and the onion extract to multiplication cuttings meranti sabut (Shorea parvifolia Dyer.) that indicate using hormone auksin IAA is the best with 91,11% presentation live by onion extract have 87,78% while presentation live and did not by control have 85,56% live presentation. (2) the influence of regulator auksin IAA essence and extract onion to multiplication cuttings meranti sabut (Shorea parvifolia Dyer.) to the sum of root, the long of root, the sum of new leaf and the new shoot are different and not real.
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