Laporkan Masalah

Pengaruh pemupukan nitrogen terhadap aktivitas nitrat reduktase dan laju pertumbuhan pucuk tanaman teh

INDRAYANTI, Asro' Laelani, Dr.Ir. Taryono, M.Sc

2006 | Tesis | S2 Agronomi

Penelitian tentang pengaruh pemupukan nitrogen terhadap aktivitas nitrat reduktase dan laju pertumbuhan pucuk tanaman teh telah dilakukan di Perkebunan Teh Pagilaran, Batang, Jawa Tengah. Tanaman yang digunakan adalah tanaman asal klon TRI 2024, klon TRI 2025, dan biji dengan menggunakan rancangan petak terbagi 3 faktor. Pemupukan urea dilakukan sekali dan diamati selama 8 minggu setelah pemupukan. Hasil penelitian menunjukkan bahwa 1) tanaman yang dipupuk menunjukkan aktivitas nitrat reduktase, jumlah pucuk, berat segar pucuk, berat kering pucuk, panjang pucuk, dan laju pertumbuhan pucuk yang lebih tinggi 2) tanaman asal biji menunjukkan aktivitas nitrat reduktase, jumlah pucuk, berat segar pucuk, berat kering pucuk, panjang pucuk, dan laju pertumbuhan pucuk yang lebih tinggi dibandingkan klon TRI 2024 dan klon TRI 2025

The research on the influence of nitrogen application on maintenance leaf nitrate reductase activity (NRA) and bud growth rate of tea plants had been carried out at Pagilaran Tea Plantation from January to April 2006. Three different of tea plants (TRI 2024 and TRI 2025 clones) and tea plants derived from seeds (natural reproductive bulk selection) had been used for split-split plot design arrangement. Nitrogen fertilizer (urea) was applied at only one recommended level and leaf harvest were carried out weekly after fertilizer application for eight weeks. Nitrogen application gave greater responds in leaf nitrate reductase, young leaf harvest and bud growth rate.Tea plants derived from seeds showed higher maintenance leaf nitrate reductase activity, young leaf harvest and bud growth rate than tea plants generated from vegetative clones.

Kata Kunci : Tanaman Teh,Laju Pertumbuhan Pucuk,Pupuk Nitrogen, maintenance leaf nitrate reductase activity, tea plants from seeds and clones, bud growth rate


    Tidak tersedia file untuk ditampilkan ke publik.