Judul: Pertumbuhan Beberapa Genotipe Jarak Pagar (Jatropha curcas L.) di Tanah Masam
Abstrak: Indonesia have many acid lands, but their usefullness were still a bit because the nutrient content in acid land is low. Meanwhile, Jatropha is a plant which can grow on various types of lands (includes on marginal land) and has used as raw material for biodiesel. Therefore, the growth of Jatropha need to be study on acid land as an effort for developing Jatropha and usefullness of acid land in Indonesia. To initiate that effort, the research about growing various genotypes Jatropha in acid land was done. The objectives of this research was obtained a potential genotype-tolerant for acid land. The research was conducted at UPTD Technology Development Dryland Singabraja Village, Tenjo Subdistrict, Bogor, West Java, from November 2010 - August 2011. This research using Randomized Complete Design Group (RKLT) with one factor, ie genotype. The result showed that there were differences in growth between the genotypes Jatropha. Generally, there are five genotypes of Jatropha with the best growth in acid land (pH 5.0), ie Medan I-5-1, Dompu, IP-2P-3-4-1, Sulawesi, and Bima M.
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Judul: Evaluasi Pertumbuhan Jarak Pagar (Jatropha curcas) Setelah Satu Tahun Sambung Pucuk Di Tanah Masam
Abstrak: Jatropha curcas is a potential plant can produce oil that can be used as biodiesel. The successful of J.curcas cultivation was determined by avaibility of the good quality of seedling. One of the efforts to obtain high quality of seedling was through grafting between seedlings that have good rooting system and the ones which have high production. J.curcas can be grown on marginal lands such as in acid soil. From previous studies have been performed successfully grafting of the J.curcas planted in acid soil during 4 months. Therefore, it is necessary to evaluate growth and production of J.curcas grafts on the acid soil for longer periods. The one year old J.curcas grafts were planted in acid soil. Two weeks after planted in the new acid soil media they were prunned and fertilized with compost and NPK fertilizers. Observation of vegetative characters consisted of stem diameter, plant height, shoot length, total length of primary roots, number of large roots, total leaf number, number of leaves on shoots, number of shoots. Observation of reproductive characters, were number of male and female flowers, flowering time, and number of fruit per inflorescense. The result showed that J.curcas grafts JB/3P and B3/3A can be used as potential combinations to stimulate the production of J.curcas in acid soil land in the future
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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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