PENGARUH UMUR BATANG BAWAH DAN NAUNGAN TERHADAP KEBERHASILAN GRAFTING PADA TANAMAN DURIAN (Durio zibethinus Murr.) LOKAL

Abstract

Durian (Durio zibethinus Murr.) has a great sale value, beside its delicious flavor; it also contains variety of nutrients such as Vitamins B, C, E and Iron that are beneficial for human health.The main problems in improving the local durian is limited availability of quality seeds. Durian development undertaken by local farmers generally from generative, thereby causing the vegetative phase takes longer (about 7-10 years) and make generative phase come later. It is one of the obstacles in the productivity and quality of durian.It is one of the obstacles in the productivity and quality of durian. But with advances in technology, these obstacles can be overcome by using a mini-graft method to produce superior durian seedling.The purposes of this research are to get the right age and precentage of shade on grafted durian seedling and to determine the influence on growth and yield of grafted plants. This research conducted on january – oktober 2016 on Durio Kingdom Farm, Ngantang, Malang Regency on 660 asl. The experiment was conducted using split plot design. The main plot is percentage shade (N): shade 0%, shade 40%, shade 60% and shade 80%, while the subplots are seedlings (A) is 15 weeks age rootstock, 17 weeks age rootstock and 19 weeks age rootstock. The results of this study showed that 17 weeks Age seeds give better results, shade are gives better results for use in plant nurseries durian is shade with a density of 40%.

Impact of Scion Length and Cover Type on the Success of Durian Grafting

“…This was because cover type of treatment that acted as a shade can protect against extreme environmental conditions. (Rohman et al, 2018) stated that shading is carried out to avoid extreme environmental conditions that can cause failure during grafting. Cover types and their characteristics lead to changes in the microclimate.…”

PENGARUH VARIASI NAUNGAN DAN KONSENTRASI IBA (Indole Butyric Acid) TERHADAP KEBERHASILAN SAMBUNG SAMPING TANAMAN JAMBU AIR CITRA (Syzygium samarangense)

“…Pertumbuhan terbaik menggunakan naungan ringan sebesar 46,5% atau tingkat penerusan cahaya matahari sebesar 53,5% (Sugiatno dan Hamim, 2009). Penelitian yang dilakukan oleh Rohman et al (2018) memberikan hasil bahwa penggunaan naungan dengan kerapatan 40% atau tingkat penerusan cahaya 60% menghasilkan pertambahan panjang tanaman tertinggi, persentase bibit hidup terbanyak, dan kandungan klorofil tertinggi pada grafting tanaman durian. Penggunaan zat pengatur tumbuh (ZPT) diketahui dapat meningkatkan jumlah bibit hidup pada proses perbanyakan tanaman.…”

“…Pemberian naungan 40% memberikan hasil rata-rata panjang tunas tertinggi yaitu 7,11 cm. Hal ini sesuai dengan penelitian yang dilakukan oleh Rohman et al (2018) bahwa penggunaan naungan dengan kerapatan 40% memberikan hasil pertambahan panjang tanaman tertinggi, persentase bibit hidup terbanyak, dan kandungan klorofil tertinggi pada grafting tanaman durian. Pemberian naungan mempengaruhi intensitas cahaya matahari yang masuk, suhu, dan kelembaban udara di sekitar tanaman yang berdampak pada laju fotosintesis tanaman.…”

Kesesuaian Lahan Bagi Pertumbuhan Durian (Durio zibethinus Murr.) di Desa Parisan Agung Kecamatan Dampelas Kabupaten Donggala

“…Sejalan dengan pertumbuhan vegetatif, ketersediaan nutrisi terserap akar tanaman durian melalui tahap mekanisme penyerapan nutrisi atau unsur hara tersebut dari larutan tanah, berakibat unsur hara tersedia dalam tanah menjadi berkurang. Untuk mengantisipasi hal tersebut diperlukan pemupukan atau penambahan bahan organik (Rohman et al, 2013). Penambahan bahan organik, untuk meningkatkan unsur kalium yang tergolong rendah.…”