Judul: Agronomic performance and seed oil content of physic nut (Jatropha curcas L.) in wet climate of Bogor
Abstrak: Performance of agronomic characters of physic nut was determined on several physic nut genotypes in high rainfall area of Bogor, West Java since January 2010 until September 2011. The research used completely randomized block design with single factor, i.e genotypes (IP-1A, IP-1M, IP-2P, Lombok Timur,Lombok Tengah, Lombok Barat, Sumbawa Besar and Bima) and three replicates. There were two stages of research. In the first stage (January 2010 – December 2010), the plants were without pruning since planting, while in the second stage (January 2011 – September 2011) the plants were pruned. Observation on the first stage showed that the most productive physic nut in high rainfall was the IP – 1A genotype (87.7 kg/ha), and observation on the second stage showed that the most productive physic nut after pruning in high rainfall was the IP – 2P genotype (1014.2 kg/ha). The characters influencing the yield were number of fruits/plant, fruit weight, and number of seeds/plant. The highest oil content (seed basis) was achieved by Lombok Tengah genotype (32.61 %) while on kernel basis it was 53.34 %.
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Judul: Analysis of agronomic characters and isozyme of physic nut (Jatropha curcas L.) at wet climate
Abstrak: The research objective was to determine agronomic characters influencing productivity and genetic variability of several physic nuts in high rainfall area. The research used Completely Randomized Design with three replications of genotypes as follows IP-1A, IP-1M, IP-2P, Lombok Timur, Lombok Tengah, Sumbawa, and Bima genotypes. The direct or indirect effect of each characters was determined by path analysis. Analysis of isozyme experiment of the eight genotypes was also conducted. The experiment showed that the most productive physic nut in high rainfall area was the IP-2P genotype (558.33 kg/ha). The agronomic characters influencing the yield were number of secondary branches, number of productive branches, total leaves, number of inflorescence, number of fruits/plant, fruit weight, seed length, number of seeds/plant, dried seed weight, and weight of 100 seeds. Overall, the most important characters contributing to weight of dry seed per plant is the number of inflorescence (X7) and number of seed per plant (X12), as shown by their positive direct influence and correlation coefficient (P7y =0.51; r7y=0.98) and (P12y=1.10; r12y=0.99). It is concluded that the two characters can be used as the selection criteria for yield. Genetic variability based on qualitative characters was 0-14%, quantitative 17-81%, the isozyme analysis 2-25%, for combined qualitative characters with the isozyme was 1-13% and for combined qualitative characters, quantitative characters and isozyme was 6-33%.
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Judul: Infeksi Virus Parainfluenza Pada Anjing
Abstrak: Virus parainfluenza anjing termasuk famili Paramyxoviridae, berbentuk pleomorf dengan ukuran bervariasi (bergaris tengah antara 100-500 nm), berpembungkus peka ether, berisi genom RNA dan secara serologis mempunyai kesamaan dengan virus SV-5 kera; dikenak sebagai salah satu kausa penting dari sindrom "kennel cough". Infeksinya dapat mengenai anjing semua umur yang belum pernah terinfeksi atau mendapatkan vaksinasi mengakibatkan gejala klinis ringan yang terbatas pada traktus respirasi atu infeksi yang secara klinis tidak memperlihatkan gejala nyata. Gejala klinis yang nampak setelah masa inkubasi (1-5 hari) terlewati berupa batuk yang tidak berat selama beberapa hari, berbagai tingkat tonsilitis dan pharyngitis dan kadang-kadang ditemukan kenaikan temperatur rektal antara 1-2 derajat C dari temperatur normal rat-rata. Anjing terinfeksi mengandung virus pada traktus respirasi bagian atas dan bawah serta limfonoduli sampai hari ke 9 setelah infeksi. Penyebaran virus antar anjing terjadi secara aerogen.
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