Browsing Hayati Journal of Biosciences by Title
Now showing items 222-241 of 302
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Physiological Responses and Fruit Retention of Carambola Fruit (Averrhoa carambola L.) Induced by 2,4-D and GA3
(2009)One of the problems in cultivation of carambola fruit is the high of flower and fruit drop during fruit development. To understand these problems and to improve fruit retention, the content of indole-3-acetic acid (IAA) ... -
Phytochemicalassay and Antiplatelet Activity of Fractions of Velvet Bean Seeds (Mucuna pruriens L.)
(2010)Platelet aggregation is an important factor contributing to the formation of thrombus due to an uncontrolled blood clotting. An antiplatelet agent is a compound which decreases platelet aggregation and inhibits thrombus ... -
Phytoremediation and Potency of Hyperaccumulator Plants
(2005)Phytoremediation is defined as cleaning up of pollutants mediated primarily by plants. It is an emerging technology for environmental remediation that offers a low-cost technique suitable for use against different types ... -
Population Size Effects on Progency Performance in Banksia ilicifolia R. Br. (Proteaceae)
(2009)A reduction in population size due to land clearing and habitat fragmentation may have negative effects on plant fitness. A relationship between population size and progeny performance for four small (n < 20 plants) and ... -
Population Status and Ecological Preferences of the Palm Sommieria leucophylla Beccard in Salawati Island
(2010)Population status and ecological preferences of the New Guinean endemic palm Sommieria leucophylla in a lowland forest of the North Salawati Island Nature Reserve were documented at six different habitat types: river bank, ... -
The Potency of Dextranase from Arthrobacter sp. Strain B7 as Dental Plaque Removal
(2005)Dextranase of Arthrobacter sp. strain B7 (B7DEX enzyme) was characterized in this study. This enzyme hydrolyzed sucrose and dextran, but not other glucans (starch, nigeran, cellulose, β-soluble glucan). It also hydrolyzed ... -
Potency of Piper crocatum Decoction as an Antihiperglycemia in Rat Strain Sprague dawley
(2008)Current researches for appropriate hypoglycemic agents focused on plants for traditional medicine. Traditionally in diabetic treatment, people used decoctions of Piper crocatum (Piperaceae). However, there is no phytochemical ... -
Potential of Endophytic Bacterial to Control Lesion Nematode (Pratylenchus brachyurus) on Pathouli
(2007)Root lesion nematode (Pratylenchus brachyurus) is one of the most important pathogens of patchouli that caused significant losses. Studies on the potential of endophytic bacterial to control P. brachyurus on patchouli had ... -
Potential Pseudomonas Isolated from Soybean Rhizosphere as Biocontrol against Soilborne Phytopathogenic Fungi
(2011)Plants are liable to be attacked by soilborne fungal pathogens which are responsible to reduce plant growth and losses in yield. In Indonesia, indigenous soybeans’ rhizobacteria such as antifungal producing Pseudomonas sp. ... -
Predator, Parasitoid, dan Hiperparasitoid yang Berasosiasi dengan Kutudaun (Homoptera: Aphididae) pada Tanaman Talas
(2003)Predators, parasitoids and hyperparasitoids associated with aphids on Caladium crop were identified. Two aphid species, i.e. Aphis gossypii (Glover) and Pentalonia nigronervosa Coq. A. gossypii colonies were frequently ... -
Preliminary Characterization of Protease Inhibitor from Bacteria-Associated with Sponge from Panggang Island, Seribu Islands
(2006)Pathogenic bacteria produced protease that involved in molecular mechanism of foodborne disease. Produced protease involved in molecular mechanisms of foodborne diseases. The purpose of this research was to screen, identify ... -
Prenatal Growth in Uterus of Does by Superovulation
(2007)Thirty six Etawah-grade does (BW 20.4-44.2 kg, age 2.5-7 years) were used to study the efficacy of increasing secretion of endogenous hormones of pregnancy by superovulation of does to stimulate of growth prenatal in uterus. ... -
The Presence of Tobacco Mosaic Virus in the Compost Extract of Cigar Tobacco Debris
(2008)Tobacco mosaic virus (TMV) is resistance to high temperature and able to survive over 10 years on dried leaves, and plant debris is considered as source of inoculums of TMV in the field. In order to inactivate TMV, ... -
Pretreatment Stress Enhances Embryogenic Callus Production in Anther Culture of Sturt's Desert Pea (Swainsona formosa)
(2007)The aims of the experiment were to investigate the effect of pretreatment stress on the proliferation of anther-derived embryogenic callus, and its subsequent embryo regeneration in Swainsona formosa. Anthers were pretreated ... -
Primary Nutritional Content of Bio-Flocs Cultured with Different Organic Carbon Sources and Salinity
(2010)Application of bio-flocs technology (BFT) in aquaculture offers a solution to avoid environmental impact of high nutrient discharges and to reduce the use of artificial feed. In BFT, excess of nutrients in aquaculture ... -
Primata Nonmanusia sebagai Hewan Percobaan: Suatu Introduksi terhadap Aspek Etika dan Kewajaran dalam Penggunaan Satwa untuk Kepentingan Manusia
(1996)Primata merupakan ordo yang sangat tinggi nilainya untuk dipelajari dan dimanfaatkan oleh manusia. Terlepas dari pandangan yang berbeda yang dianut oleh berbagai kalangan masyarakat di dunia ini, sudah tidak perlu ... -
Production Pattern of Ajmalicine in Catharanthus roseus (L.) G. Don. Cell Aggregates Culture in the Airlift Bioreactor
(2006)A research has been conducted to optimize the rate of aeration and initial weight of cell aggregates in the production of ajmalicine in Catharanthus roseus cell culture in airlift bioreactor. Catharanthus roseus culture ... -
Profil DNA Genom Xanthomonas campestris dengan Menggunakan Schizotyping
(1995)Scbizotyping was employed to reveal unique fingerprints of particular strains or pathovala of Xanthmonas campestris (Pamawl) Dowson. Digestion of X. campestris pv. cumpeslris gnomic DNA with each of these restriction ... -
Proline and Abscisic Acid Content in Droughted Corn Plant Inokulated with Azospirillum sp. and Arbuscular Mycorrhizae Fungi
(2009)Plants that undergo drought stress perform a physiological response such as accumulation of proline in the leaves and increased content abscisic acid. A research was conducted to study proline and abscisic acid (ABA) content ... -
Purification and Characterization of a-1, 3-Glucanase from the Antagonistic Fungus Trichoderma reesei
(2009)Trichoderma enzymes that inhibit fungal cell walls have been suggested to play an important role in mycoparasitic action against fungal root rot pathogen Ganoderma philippii. This experiment was aimed to purify and ...