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JURNAL PEMULIAAN TANAMAN HUTAN
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Core Subject : Agriculture,
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Articles 5 Documents
Search results for , issue " Vol 1, No 3 (2007): Jurnal Pemuliaan Tanaman Hutan" : 5 Documents clear
VARIATION OF DIMENSION AND MOISTURE CONTENT OF Agathis labillardieri Werb. FRUIT BASED ON ITS COLOUR Rachman, Encep
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 3 (2007): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2007.1.3.115-121

Abstract

Agathis labillardieri fruits can be distinguished according to their colours into three different colours i.e. light green and green. This study examined variation of dimension and moisture content of Agathis labillardieri based on those colours. The fruitys are measured their avarege fruits diameter, fruits length, fruit weight, moisture content and and germination percentage. The expweriment were laid out as a Completely Randomized Design. The result indicated that mature fruits have dark green colour. The charateristics of these green fruits are germination percentage 91 %, moisture content 31.2 %, fruit diameter 8.6 cm, length 8.7 cm and fruit weight 526.97 gr.
THE USE OF FTA CARD ON DNA SAMPLE PREPARATION FOR MOLECULAR OF PLANT DISEASE IDENTIFICATION Sulistyawati, Purnamila; Rimbawanto, Anto
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 3 (2007): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2007.1.3.123-130

Abstract

Accurate and guick identification of pathogen is key to control the spread of plant disesases. Morphological identification is often ineffective because  it requires fruit body which often are not presence, rely on characters which may be highly variable within and among species and can be slow and time consuming. Molecular identification of plant disease can overcome most of the shortcomings of morphological identification. Application of FTA Cardn for sample collection is crucial for the success of molecular identification of phatogen. The study present an earlier results on the suitability of FTA Card to collect sample in situ. The study was done on 4 different sample namely pure culture of fusarium sp., infected leaf, soil and seeds which assumed to have mycelium. The result indicate that FTA Card is effective as a collecting media of pathogen for most samples, paticularly for mycelium culture. Furthur experiments are still required to ensure the suitability of the card for leaf, seeds and soil samples.
PHYSICAL AND MECHANICAL PROPERTIES OF PASIR-PASIR WOOD (Xanthophyllum sp) FROM NORTH SUMATERA Sunandar, Ahmad Dany
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 3 (2007): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2007.1.3.131-137

Abstract

As a lasser know species, it is important to explore physical and mechanical properties of pasi-pasir (Xanthophyllum sp) wood. This research was conducted to observe physical and mechanical properties of pasir-pasir (Xanthophyllum sp) originated from North Sumatera. Sample were collected from North Tapanuli District, North Sumatera. Tree samples were divided into three sections and sampled for physical and mechanical test were collected from every section. The results revealed that this wood had medium density level. With respect to the radial and tangential shrinkage, the tested wood had a high shrinkage but T/R was still in permitted level. Wood strenght belonged to the strenght clas  V. The overall data of this wood properties suggested that the species is suitable for light constuction purposes and furniture.
TRIAL OF FIVE SEED SOURCES OF SENGON (Paraserianthes falcataria L. Forberg) WITH COMPOST TREATMENT Sudomo, Aris; Mile, M. Yamin
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 3 (2007): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2007.1.3.99-108

Abstract

Trying out sengon seed source by giving the compost was conducted in private forest area of Sukamulih Village, Sariwangi Sub-District,Tasikmalaya Dsistrict. This research used Split Random Design with five main plots of sengon seed source (Subang,Ciamis,Candiroto,Wamena, and Kediri) and five kinds of compost dose as the sub Plots (0 kg/plant, 1 kg/plant, 2 kg/plant,3 kg/plant and 4 kg/plant) so that there were 25 treatment combinations. The research shows the best diameter growth and significantly different friom other provenances,wich is 3.91 cm. The plant with 2 kg compost as its basic fertilizer treatment gives 3.46 cm as its best diameter. This data is insignificant with the diameter growth of plant with 3 kg and 4 kg compost treatments. Sengon with no compost (0 kg/plant) shows the worst diameter, which is 2.04 cm. Seed source interaction with the compost has a significant result on height growth of sengon. The sengon seed from Subang with 2 kg compost/plant shows the best height growth, which is 3.27 cm.
INFLUENCE OF NPK TABLET ON THE EARLY GROWTH OF SENGON (Paraserianthes falcataria L. Forberg) Sudomo, Aris
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 3 (2007): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2007.1.3.109-114

Abstract

The research is aimed to improve the productivity of sengon by testing the influence of NPK tablet as with four levels on growth. The research was conduced on November 2005 to August 2007 in the private forest in Sukamulih village. Sariwangi  Sub-District. The Design was Randomized Comlete Block Design (RCBD). The four treatments were no obtained from sengon,s growth on 21 months old minus its growth on 5 months old (fertilizing time). The result shows that faouir treatments of NPK tablets quantity to the sengon give insignificant influuence to the growth of sengon,s height and diameter in 21 months old 5 months old.

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