Pertumbuhan Tunas Beberapa Klon Jati Terseleksi setelah Pemangkasan di Persemaian

Adinugraha, Hamdan Adma; Hasnah, Tri Maria; Waris, Waris

doi:10.22146/jik.24907

Cited by 2 publications

(2 citation statements)

References 1 publication

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“…Penghambatan panjang tunas entres disebabkan oleh pertumbuhan tunas lateral lain pada batang bawah. Adinugraha et al (2017) menyatakan jumlah tunas yang sedikit menghasilkan tingkat pertambahan panjang tunas lebih besar atau sebaliknya. Selain itu, kemungkinan penurunan perpanjangan tunas lateral dikarenakan jumlah auksin yang terlalu tinggi pada pucuk.…”

Section: Panjang Tunas (Cm)unclassified

Aplikasi Waktu Pembukaan Okulasi dan Pemotongan Batang Bawah terhadap Pertumbuhan Awal Jeruk Siam Madu (Citrus nobilis L.)

Siswanto

Adinurani

Rahayu

2021

mul. AGRI-TEK. mul. ind. ilmu. ilmu. ind

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Abstractâ€” The percentage of failure to multiply "Siam madu" oranges by grafting in the rainy season is around 50 % to 80 %. The purpose of the study was to determine the interaction of rootstock pruning length and time of grafting plastic opening on the initial growth ofÂ "Siam madu" oranges (Citrus nobilis L). The study used a factorial experiment based on a randomized block design (RAK). The first factor was the length of pruning (P) were, P1 = 5 cm above of patch eye with 0.5 stems, P2 = 5 cm above of patch eye, and P3 = 10 cm from the shoot. The second factor is the opening time of grafting plastic (B) were B1 = 25 days after grafting (DAG), B2 = 30 DAG and B3 = 35 DAG. Observation parameters included the percentage of grafting growth, time of shoot appearance, number of leaves, length of grafting shoots, and leaf area. The results showed that there was a significant interaction between the treatment of rootstock pruning length (P) and plastic opening time (B) to shoot appearance time, the number of leaves, shoot length, and leaf area. The best results of the combination variable treatment observed were achieved by the treatment of rootstock pruning length of 5 cm above of patch eye and opening time of grafting plastic 25 DAG (P2B1), namely shoot emergence time (30.20 days), shoot length 46 DAG (21.06 cm). In addition, the number of leaves was 46 DAG (10.66) and leaf area (225.96 mm2)Â Keywordsâ€”: grafting percentage growing;; root stock; scions; vegetative propagation

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Section: Panjang Tunas (Cm)unclassified

Aplikasi Waktu Pembukaan Okulasi dan Pemotongan Batang Bawah terhadap Pertumbuhan Awal Jeruk Siam Madu (Citrus nobilis L.)

Siswanto

Adinurani

Rahayu

2021

mul. AGRI-TEK. mul. ind. ilmu. ilmu. ind

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“…Cultivated target species in a suitable environment are prospected to promote faster growth (Soekotjo, 2009). Plant spacing affects the amount of light and the availability of nutrients (Faridah et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Productivity of Clonal Teak Plantation Under Different Spacing and Thinning Intensity in Java Monsoon Forest

Bela Rahmawati,

Hardiwinoto,

Widiyatno

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Intensive silviculture plays a crucial role in selecting superior clones with high productivity. The use of superior clones needs to be accompanied by appropriate environmental conditions. The arrangement of growing space is one way for teak clones to grow optimally and produce quality wood products. It can choose initial spacing in the early growth phase and thinning intensity in the later growth phase. This study aims to assess and determine the growth of superior teak clones with different thinning intensities at different planting distances to optimize the growing space. Optimizing growth space also has the potential for intercropping under the stand to produce more diverse products. The research design was a Split-plot design with three blocks as replications. The main plots had four spacings, including 3 m x 3 m, 6 m x 2 m, 8 m x 2 m, and 10 m x 2 m. Subplots were thinning intensity, including 0% thinning (control), 25% thinning (moderate thinning), and 50% thinning (heavy thinning). The results showed that spacing could significantly affect diameter growth. Silvicultural thinning showed significant differences in diameter growth, CADI, height, and volume per hectare. The diameter growth showed higher growth at larger spacing and higher thinning intensity, while the volume per hectare was low. The tree height parameter increased with the thinning intensity. The CADI after two years of thinning increased by 14–42% at 25% thinning intensity and increased by about 35–48% at 50% thinning intensity compared to no thinning at each spacing. Meanwhile, the volume per hectare was lower at wider spacing and decreased at a high thinning intensity. These results indicate an increase in spacing, and thinning accelerates diameter growth and provides better-growing space for intercrops.

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Pertumbuhan Tunas Beberapa Klon Jati Terseleksi setelah Pemangkasan di Persemaian

Abstract: ABSTRACT

Cited by 2 publications

References 1 publication

Aplikasi Waktu Pembukaan Okulasi dan Pemotongan Batang Bawah terhadap Pertumbuhan Awal Jeruk Siam Madu (Citrus nobilis L.)

Aplikasi Waktu Pembukaan Okulasi dan Pemotongan Batang Bawah terhadap Pertumbuhan Awal Jeruk Siam Madu (Citrus nobilis L.)

Productivity of Clonal Teak Plantation Under Different Spacing and Thinning Intensity in Java Monsoon Forest

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