Browsing Hayati Journal of Biosciences by Title
Now showing items 87-106 of 302
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Encapsulation and Hemocyte in Crocidolomia pavonana and Spodoptera litura Fabricius (Lepidoptera) Attacked by Parasitoid Eriborus argenteopilosus Cameron (Hymenoptera)
(2009)Eriborus argenteopilosus is the most important parasitoid attacking cabbage pest Crocidolomia pavonana in Indonesia. Previous studies proved that parasitoid encapsulation was found to be an important factor limiting the ... -
EndophyticStreptomyces spp. as BiocontrolAgents of Rice Bacterial Leaf Blight Pathogen (Xanthomonas oryzae pv. oryzae)
(2012)Xanthomonas oryzae pv. oryr.ae (Xoo), a causal agent of bacterial leaf blight (BLB), is one of the most important pathogens of rice. The effectiveness of ten Streptomyces spp. isolates in suppressing Xoo disease was assessed ... -
The Enhancement of Catharanthine Content in Catharanthus roseus Callus Culture Treated with Naphtalene Acetic Acid
(2006)The research aim was to examine the enhancement of catharanthine content in Catharanthus roseus callus culture added with different concentration of Naphtalene Acetic Acid (NAA). NAA treatment produced callus that formed ... -
Evaluation and Selection of Mutative Artemisia (Artemisia annua L.) According to the Altitude Variants Vol 18, No 1, 2011
(2011)Induction of genetic variant of Artemisia annua L. was conducted through the application of gamma ray irradiation in 2007-2008. The aim was to obtain a plant with high artemisine content > 0.5% and late flowering period ... -
Evaluation of Plant Growth Promoting Rhizobacteria as a Protecting Agent Against Cucumber Mosaic Virus and Chilli Veinal Mottle Virus on Chillipepper
(2005)This study was conducted to evaluate the effectiveness of plant growth promoting rhizobacteria (PGPR) in protecting chillipepper plant from infection of cucumber mosaic virus (CMV) and chilli veinal mottle virus (ChiVMV). ... -
Evaluation of Sugarcane (Saccharum officinarum L.) Somaclonals Tolerance to Salinity Via In Vitro and In Vivo
(2011)Tissue culture technique was used to obtain salt tolerant variants from embryogenic calluses of sugarcane (Saccharum sp. var. CP48-103) that cultured on a selective medium containing different levels of NaCl (0, 0.2, 0.4, ... -
Evolusi Mikrobe dan Kaitannya dengan Sistematik Molekuler
(1994)Dengan pencacah radioakti f, para pakar geologi memperkirakan bahwa umur bumi sekitar 4.6 biliun tahun. Air cair sudah ada sekitar empat biliun tahun yang lalu, yang memungkinkan perkembangan yang pesa t dan menjadi sy ara ... -
Evolution of a Wingless Gene and its Utility for Inferring the Relationships within Glyphodes Moths
(2006)The evolution of a nuclear Wingless gene was investigated and its utility for inferring the phylogenetic relationship within Glyphodes moths was assessed by comparing with other three genes namely, COI, COII, and EF-1á. ... -
Extracellular Protease Activity of Enteropathogenic Escherechia coli on Mucin Substrate
(2007)Enteropathogenic Escherichia coli (EPEC) causes gastrointestinal infections in human. EPEC invasion was initiated by attachment and aggressive colonization on intestinal surface. Attachment of EPEC alter the intestine ... -
Fatty Acid Content of Indonesian Aquatic Microalgae
(2010)High utilization of fossil fuel increases the level of carbon dioxide in the atmosphere and results in global warming phenomenon. These things establish the world’s thought to look for the other alternative energy that can ... -
Fatty Acid Synthesis biy Indonesian Marine Diatom, Chaetoceros gracilis
(2009)Since the primary storage nutrients in diatoms consist of lipid, they are potential for the industrial fatty acid production. High value fatty acids include arachidonic acid, eicosapentaenoic acid and docosahexaenoic acid. ... -
Fecal Steroid Profile of Female Javan Gibbons (Hylobates moloch) Maintained in Pairing-Typed Cage
(2010)Estrone conjugate (E1C) and pregnanediol glucuronide (PdG) were predominant steroid metabolites of estrogen and progesterone in feces of most primates and could be used to evaluate ovarian function. These metabolites were ... -
Fecundity, Longevity, and Host Finding of Three Parasitoid Species of Liriomyza sativae
(2006)Liriomyza sativae is a polyphagous agromyzid leafminer and it has invaded large part of world, i.e Hemiptarsenus varicornis, Gronotoma micromorpha, and Opius dissitus. This research were conducted to investigate progeny, ... -
Feeding Rate of Soil Animals in Different Ecosystems in Pati, Indonesia
(2006)The feeding activity of soil animals was measured by using bait lamina test in three main ecosystems, i.e. the teak forest, home garden and rainfed paddy field. Two additional ecosystems in rainfed paddy field, i.e. the ... -
Flower Characteristic and the Yield of Jatropa (Jatropha curcas L.) Accessions
(2009)The flower characteristics of a plant is one of the important traits correlated to its productivity. Study on flower characteristics is useful to understand how to increase the crop productivity. The research was conducted ... -
Food Preference of Semi-Provisioned Macaques Based on Feeding Duration and Foraging Party Size
(2007)The long-tailed macaques (Macaca fascicularis; also called crab-eating monkeys) have broad geographic distribution in continent and archipelago of Southeast Asia. They have wide ecological plasticity to adapt to various ... -
Fractination and Characterization of Tannin Acyl Hydrolase from Aspergillus niger
(2009)We previously produced tannin acyl hydrolase (tannase) from Aspergillus niger isolated from cacao pod. In the present study the enzyme was subjected to fractionation by ammonium sulphate followed by dialysis process. The ... -
Functional Group of Spiders in Cultivated Landscape Dominated Dominated by Paddy Field in West Java, Indonesia
(2009)Distribution of spiders in all colonized environments is limited by biotic and abiotic factors requiring adaptations with respect to, for example microhabitat choice and hunting behavior. These two factors were frequently ... -
Functional Response of the Parasitoid Eriborus argenteopilosus (Cameron) to Crocidolomia pavonana (Fabricius) under Different Temperature
(2005)The functional response of the parasitoid Eriborus argenteopilosus (Cameron) (Hymenoptera: Ichneumonidae) were studied using Crocidolomia pavonana (Fabricius) (Lepidoptera: Pyralidae) larvae as host at different densities. ... -
Fungal Succession and Decomposition of Acacia mangium Leaf Litters in Helath and Ganoderma Attacked Standings
(2009)Leaf litters of Acacia mangium play an important functional role in ecosystem, producing sources of nutrients and giving diversity of microorganisms. Understanding the variation in fungal populations in A. mangium forest ...