Potensi Jenis Dipterocarpus retusus Blume di Kawasan Hutan Situ Gunung Sukabumi

Kalima, Titi; Wardani, Marfuah

doi:10.21082/blpn.v19n2.2013.p102-110

Cited by 4 publications

(3 citation statements)

References 2 publications

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“…Dipterocarpus telah banyak dimanfaatkan hasil kayunya, dan juga merupakan penghasil produk bukan kayu berupa minyak, damar dan buah (Heriyanto & Bismark, 2014;Istomo & Pradiastoro, 2011;Kalima & Wardani, 2013).…”

Section: Pendahuluanunclassified

Pest Infestation of Dipterocarpus retusus (Blume) Fruit at Different Heights in KPHP BATULANTEH

Nugraheni¹,

Suharti²,

Riendriasari³

2021

J.Perbenihan.Tan.Hutan

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Keruing gunung (Dipterocarpus retusus) is a non-timber forest product (NTFP) as a fruit producer that can be used as raw material for vegetable fats. One of the problems faced in planting programs for both production and conservation forests is the presence of fruit pests. The purpose of this study was to determine the fruit pests infestation fruits of D. retusus and the effect of altitude on fruit size and weight in Batulanteh Sumbawa. Fruit samples were collected at locations with different heights, namely below 1000 masl (T 22ºC, RH 83%) and above 1000 masl (T 20ºC, RH 88%). The samples of invading pests were observed and measured morphometry and morphology. The results showed that the insect infestation on the fruit was Alcidodes crassus. The percentage of fruit severity level reached more than 50% at each location. Elevation has a significant effect on fruit diameter and fruit weight, both infested by pests and whole fruit.

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Section: Pendahuluanunclassified

Pest Infestation of Dipterocarpus retusus (Blume) Fruit at Different Heights in KPHP BATULANTEH

Nugraheni¹,

Suharti²,

Riendriasari³

2021

J.Perbenihan.Tan.Hutan

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“…Kerusakan hutan akibat penebangan pohon-pohon berdiameter besar dapat merangsang berkembangnya pohon-pohon dan anakan yang tadinya tertekan untuk tumbuh secara bersamaan karena terbukanya ruang tumbuh yang cukup dan masuknya sinar matahari ke dalam lantai hutan. Namun, karena adanya perbedaan kemampuan tiap spesies dalam memanfaatkan energi matahari, unsur hara, dan air serta sifat kompetisi, maka terjadi perubahan struktur tegakan hutan (Kalima, 2008;Kalima dan Wardani, 2013).…”

Section: Kerapatan Dan Luas Bidang Dasarunclassified

Keberagaman Tumbuhan Obat pada Hutan Rawa Gambut Sebangau, Kalimantan Tengah

Denny

Kalima

2018

BPN

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Kalimantan Tengah memiliki keanekaragaman hutan rawa gambut yang berperan bagi gudang plasma nutfah khususnya tumbuhan obat. Penelitian ini bertujuan untuk mengetahui status konservasi spesies tumbuhan obat, khususnya yang berhubungan dengan struktur dan komposisi serta keanekaragamannya. Pengumpulan data menggunakan metode jalur berpetak, membuat 40 petak pengamatan berbagai tingkat pertumbuhan yang masing-masing berukuran 20 x 20 m,10 x 10 m, 5 x 5 m, dan 1 x 1 m dengan luas total 2,104 ha. Semua tumbuhan berbagai kelas diameter yang berada di dalam petak pengamatan dicatat, diukur, dan diidentifikasi. Kondisi vegetasi tumbuhan obat dicirikan oleh tingkat kerapatan pohon dengan rata-rata 93,140 batang/ha dan luas bidang dasar 10,606 m2/ha, tiang 622,50 batang/ha dan luas bidang dasar 17,1606 m2/ha, pancang 5450 batang/ha dan luas bidang dasar 41,712 m2/ha, serta semai tingkat kerapatan 6975 batang/ha. Dalam seluruh petak pengamatan terdapat 56 spesies tumbuhan obat termasuk dalam 48 marga dan 30 famili. Berdasarkan indeks nilai penting spesies, maka Diospyros borneensis Hiern, Combretocarpus rotundus Dans, merupakan spesies yang paling dominan, diikuti tingkat semai Syzygium zeylanicum (L.) DC. Nilai Indeks Keanekaragaman pada kisaran 1< H'≤ 3. Terdapat enam spesies tumbuhan obat yang dilindungi berdasarkan PP. 7/1999, tiga spesies kedalam CITES dan 15 spesies termasuk dalam daftar IUCN.

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“…The natural habitat is in Sukabumi mostly in Situ Gunung. The Manglid itself has an abundance score of 1.2 which means that it is categorized as rare [2]. Manglid is categorized as fast-growing tree species with a cycle under 10 years [3].…”

Section: Introductionmentioning

confidence: 99%

The Manglid (Manglietia glauca Bl) Growth Variations at Age of 42 Months in Candiroto Temanggung Central Java

Pudjiono¹,

Susanto²,

Mashudi³

et al. 2021

Proceedings of the 3rd KOBI Congress, International and National Conferences (KOBICINC 2020)

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Manglid (Manglietia glauca Bl) is an indigenous tree species in the Indonesian forest whose existence began to be difficult to find. Wood is the part of the plant that can be used. The development of this plant which is the local genetic resources need to be done with the breeding program. In connection with this, the determination of the plant growth is necessary in order to obtain information of manglid ability in producing wood. The purpose of this research was to determine the growth variation of the manglid plants that planted at the Candiroto with an altitude between 457-464 meters above sea level, Candiroto District, Temanggung Regency, Central Java at the age of 42 months. The research method used was a Randomized Complete Block Design with the seedlings propagated from 100 parent trees, separated into 10 blocks, each block consisted of 4 tree plots, and the planting distance was 4 m x 3 m. The characteristics of plant measured were the height of the plant, stem diameter, and life percentage of manglid. The measurement results were analyzed for the variation and tested by employing a Duncan Multiple Range Test. The results showed that the height of plants was ranged between 106-1083 cm with an average of 577 cm. The stem diameter was ranged between 1,3-28,7cm with an average of 9,4 cm. The life percentage of plants was ranged between 17,5-80,0% with an average of 51,3%. The analysis results showed that the parent tree has significant effects on the total height and the stem diameter of plants. There were some variations of height characteristic from 100 parent trees, there were 23 groups, while for the stem diameter characteristic, there were 11 groups.

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Potensi Jenis Dipterocarpus retusus Blume di Kawasan Hutan Situ Gunung Sukabumi

Abstract: ABSTRACT

Cited by 4 publications

References 2 publications

Pest Infestation of Dipterocarpus retusus (Blume) Fruit at Different Heights in KPHP BATULANTEH

Pest Infestation of Dipterocarpus retusus (Blume) Fruit at Different Heights in KPHP BATULANTEH

Keberagaman Tumbuhan Obat pada Hutan Rawa Gambut Sebangau, Kalimantan Tengah

The Manglid (Manglietia glauca Bl) Growth Variations at Age of 42 Months in Candiroto Temanggung Central Java

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