Judul: Kompatibilitas Sambungan Beberapa Aksesi Jarak Pagar (Jatropha Curcas L.) Unggulan untuk Memacu Produksi pada Lahan Masam
Abstrak: Grafting in physic nut (Jatropha curcas L.) is an effective methode to improve plant yield by combining distinc rootstock and scion in other to grow better and high yield under marginal land. The aim of the study was to find the best combination of graft compatibility between Jatropha curcas accessions to improve yield under marginal land especially on acid soils. The experiment was conducted in polybag using compeletely randomize design with three factors. The first factor was four J.curcas accessions (B3, J2, JB, and S1) as rootstock. The second factor was two J.curcas accessions (IP3A and IP3P) as scion. The third factor was the type of soils i.e. Sawah Baru Andosol soil (M1) and Jasinga podzolic red yellow (M2). The parameters were observed consist of scion elongation, stem diameter, number of leaf, number of branch, root and shoot dry weight, flowering and yield. The result showed that growth parameters except number of branch were not influenced by the type of soil. Succesfully of grafting were 95.1 percent. It was determined by compatibility of rootstock and scion. In general, scion elongation, stem diameter, root dry weight and shoot dry weight significantly determined by rootstocks. Rootstocks of JB, B3, and S1 showed higher growth rates than rootstocks J2. Anatomical observation indicated that graft union formation in IP3A slower than IP3P. While, flowering and yield were determined by accession of scion. Percentage of flowering in IP3P and IP3A in all combinations with rootstocks were 100% and 25% respectively. It can be concluded that JB/3P, B3/3P, S1/3P, J2/3P, B3/3A, and S1/3A were the best and potencial combinations to improve yield on acid soils.
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Judul: Studi Karakter Jarak Pagar (Jatropha curcas L.) yang Berpotensi sebagai Batang Bawah pada Lahan Marginal
Abstrak: Grafting in physic nut (Jatropha curcas L.) is one of the methods to improve plant characteristics, such as the capability of the plant to grow better in marginal land. Grafting is performed by combining two distinct rootstock and scion. Therefore, the selection of Jatropha germplasm is required to be done in order to get the best rootstock. The aim of the study was to obtain the high quality of Jatropha rootstock that had the best performance of shoot and root growth characteristics on rocky and clay soil. The experiment was designed as a Completely Randomized Design (CRD) with two factors. The first factor was the type of soil, which were organic-sandy soil as a control (M0), rocky soil (M1), and clay soil (M2). The second factor was the various of the Jatropha accession (coded as S1, S2, S3, J1, J2, J3, B1, B2, B3, T, and JB accession). To determine the best Jatropha rootstocks, Principle Component Analysis (PCA) was employed based on all growth parameters. The result showed that all parameters, except chlorophyll b content, were influenced by the type of soil. Jatropha plants that were grown on M0 soil medium showed growth characteristics better than that of plants grown on the other soil media (M1 and M2). In general, M1 soil medium reduced growth parameters more than M2 soil medium, except the secondary root characters, which showed similar growth in both M1 and M2 soil media. Among accession of Jatropha showed different shoot growth characteristics, except shoot dry weight. On root growth characteristics, among Jatropha accession showed differences only in total primary root length, total primary root, and root dry weight. Only root dry weight parameter that was influenced by interaction of soil media and Jatropha accession. Based on PCA result it could be concluded that Jatropha S2, J3, B3, J2 and S1 accessions were the best rootstock candidate for rocky soil, while S2, J3, S1, JB, and J2 accessions were the best rootstock candidate for clay soil.
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Judul: Distemper Pada Anjing
Abstrak: Distemper merupakan penyakit infeksius pada bimbingan anjing yang menduduki tempet teratas dan penyakit ini tersebar di seluruh bagian dunia dimana terdapat anjing-anjing yang dipelihara, terutama pada anjing-anjing muda di kota-kota besar, pada kelompok-kelompok anjing atau pada situasi lain dimana banyak terdapat kontak antara anjing. Penyakit ini disebabkan oleh virus yang termasuk dalam famili Paramyxoviridae dan genus Morbilivirus. Infeksi virus ini sering disertai oleh infeksi sekunder oleh kuman Staphylococcus, streptococcus, Brucella bronchiseptica dan kuman Salmonella, inilah yang kadang-kadang sebagai penyebab kematian.
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