Please use this identifier to cite or link to this item:
http://repository.ipb.ac.id/handle/123456789/122981
Title: | Variasi Genetik Pertumbuhan Jabon Merah (Neolamarckia macrophylla (Roxb.) Bosser) pada Uji Keturunan di KHDTK Parung Panjang, Bogor |
Other Titles: | Genetik Growth Variation of Red Jabon (Neolamarckia macrophylla (Roxb.) Bosser) from A Progeny Trial at Parung Panjang Forest Research Station, Bogor |
Authors: | Siregar, Iskandar Zulkarnaen Sudrajat, Dede Jajat Qolbi, Ruhul Hazuma Satya |
Issue Date: | 2023 |
Publisher: | IPB University |
Abstract: | Jabon merah (Neolamarckia macrophylla (Roxb.) Bosser) merupakan salah
satu jenis pohon cepat tumbuh yang banyak ditanam untuk pembangunan hutan
tanaman, hutan rakyat, maupun rehabilitasi hutan dan lahan. Ketersediaan benih
berkualitas sangat dibutuhkan untuk meningkatkan produktivitas dan adaptasi,
sehingga keberhasilan penanaman dapat ditingkatkan melalui serangkaian program
pemuliaan jabon merah yang masih sedikit dilakukan. Penelitian ini bertujuan untuk
menganalisis keragaman pertumbuhan dan parameter genetik uji keturunan jabon
merah di KHDTK Parung Panjang, Bogor. Hasil penelitian menunjukkan bahwa
faktor famili (genetik) berpengaruh nyata terhadap diameter, tinggi, dan volume
pohon jabon merah. Nilai heritabilitas tingkat famili termasuk dalam kategori tinggi
dengan rentang 0,67-0,76. Korelasi fenotipe menunjukkan nilai positif antar sifat
pertumbuhan, kecuali pada penetrasi pilodyn. Persentase seleksi yang semakin ketat
akan menyebabkan nilai kemajuan genetik dan perolehan genetik semakin tinggi
namun ukuran populasi dan jumlah individunya akan semakin kecil. Red jabon (Neolamarckia macrophylla (Roxb.) Bosser) is a fast-growing tree species that is widely planted for the development of plantation forests, community forests, as well as forest and land rehabilitation. The availability of quality seeds is urgently needed to increase productivity and adaptation, so that planting success can be increased through a series of breeding programs that is still limited. This study aims to analyze the growth diversity and genetic parameters of red jabon progeny test at the KHDTK Parung Panjang, Bogor. The results of the research showed that the family factor (genetic) ha a significant effect on the growth such as diameter, height, and volume of red jabon trees. The heritability value at the family level is included in the high category with a range of 0,67-0,76. Phenotypic correlations showed positive values between growth traits, except for pilodyn penetration. The greater the percentage of selection, the higher the value of genetic progress and genetic gain, but the smaller the population size and number of trees. |
URI: | http://repository.ipb.ac.id/handle/123456789/122981 |
Appears in Collections: | UT - Silviculture |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Cover_E44190059_Ruhul Hazuma Satya Qolbi.pdf Restricted Access | Cover | 1.04 MB | Adobe PDF | View/Open |
E44190059_Ruhul Hazuma Satya Qolbi.pdf Restricted Access | Fullteks | 1.48 MB | Adobe PDF | View/Open |
Lampiran_E44190059_Ruhul Hazuma Satya Qolbi.pdf Restricted Access | Lampiran | 216.65 kB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.