Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 263 for “"Plant Culture"”.
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Reprogramming alkaloid biosynthesis in Catharanthus roseus : synthetic biology in plants
The medicinal plant Madagascar periwinkle (Catharanthus roseus) produces over 130 monoterpene indole alkaloid (MIA) natural products. Many of these compounds have pharmaceutical value, such as the anticancer agents vinblastine and vincristine. Unnatural modifications can impart novel bioactivity to …
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Uji in vitro variets kedelai (Glycine max (L) Merril) terhadap kekeringan pada media padat menggunakan PEG (Polietilena Glikol) 6000
… di laboratorium penelitian Genetic and Tissue Plant Culture Universitas Islam Negeri (UIN) Maulana Malik Ibrahim Malang, pada bulan Juni-Agustus 2010. Rancangan yang digunakan Rancangan Acak Lengkap (RAL) 2 faktor. Faktor pertama adalah konsentrasi PEG 6000 yang terdiri dari 4 taraf perlakuan …
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Evaluation of the photoprotective role of quercetin to selected light-adapted and shade-tolerant plant species
Plants respond to different light intensities depending on their genetic make-up, mutation and other environmental conditions. Mikania micrantha, Clidemia hirta, and Tetracera sarmentosa were selected so as to analyse how varying light intensity affects some gas exchange characteristics, pigment …
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The epidemiology and management of fungal- and nonpersistent aphid-borne plant viruses in a Mediterranean type climate
… for the seed transmission of CarVY was found. Plants of V. faba infected early with AMV recovered while plants infected later incurred yield losses (up to 45%). In contrast, plants of C. arietinum infected with AMV when young were killed. L. culinaris plants infected with AMV and CMV suffered …
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Self-incompatibility in Cosmos atrosanauineus: a rare Mexican endemic species of Asteraceae
… by Benedict Roezl and brought to Europe for plant verification. Sir William Jackson Hooker (1785-1865), Director of the Royal Botanic Gardens, Kew initially identified the Roezl specimen as Cosmos diversifolius var. atrosanguineus, but it was classified as the distinct species, Cosmos …
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The demography of Oritrophium peruvianum (LAM.) Cuatr. and the impacts of harvesting on its populations in the Venezuelan Andes
… adult vegetative individuals, with middle-sized plants prevailing and with low densities of large adults, whilst densities of small plants were variable. The population structure changed slightly after one year and annual plant growth was shown to be extremely slow. Flowering started at the …
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Factors influencing the post-harvest quality and consumer preference of sweet potato and other products in sub-Saharan Africa
The first theme covers sweetpotato in the marketing chain from farm to consumer. In East Africa, research explored ways of improving the handling and transport of sweetpotato, shelf life and storage of fresh roots on the farms to increase incomes and food security. Transport and handling were …
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Novel approaches to plant pest risk assessment
… by World Trade Organisation and Food and Agriculture Organisation of the United Nations. Current international practices were discussed and research reviewed on qualitative and quantitative approaches to risk assessment. It was proposed that risk assessment be divided into two steps: Pest risk …
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Smallholder food security in sub-Saharan Africa: the case for diatomaceous earth grain protectants
Researchers decided to explore whether diatomaceous earths (DEs) might meet the grain protection demands of rural households. These inert dusts are non-toxic to mammals but deadly to insects absorbing the wax from the insect’s cuticle which leads to water loss and death. Following laboratory …
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Disease resistance in sucrose polyester coated conference pears inoculated with Penicillium expansum and Monilinia fructigena
The objectives of this research were to examine the effect of the sucrose polyester coating Semperfresh® on the physiology and biochemistry of ‘Conference’ pear tissues; to determine how Semperfresh® affects the rate of tissue invasion by Penicillium expansum and Monilinia fructigena; and to …
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Prevalence of knowledge, attitude and practice on pesticides safety among oil palm pesticide handlers in Johor
… when contact is made with pesticide residue on plants, soil, and dust particles after spraying.The objective of this study is to assess the level of knowledge, attitudes and practices of pesticide usage among oil palm plantation workers in Johor and to identify the relationship between …
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Effect of storage temperature and duration on physico-chemical properties, microbial growth and nutritional composition of papaya and banana fruits
Kultivar pisang (Musa sp.) dan betik (Carica papaya) dituai dan disimpan selama sebulan pada suhu penyimpanan dan jangka masa berbeza. Buah-buahan ini diambil daripada kebun yang terletak di Johor Bahru, Malaysia. Masak dalam tempoh yang tidak diingini, perubahan warna kulit, penurunan berat, …
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Effect of peat solidification on macronutrients in soils associated with palm oil plantation in peat area
Nutrients in the soil either from man-made fertilizers or natural are factors that affect the chemicals in the peat soil stabilization through leaching. The study aims to identify the concentration of elements and nutrients on peat solidification of cement (OPC), fly ash and bottom ash. Lab scale …
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Aiding conservation of the federally threatened Scutellaria montana (Lamiaceae, large-flowered skullcap) through abundance monitoring and transplantation studies
… single site in Catoosa County, Georgia, and transplantation experiments at two sites located in Hamilton County, Tennessee, and Catoosa County, Georgia. Plants naturally occurring in the fixed plots surveyed over seven years had an overall stable growth status, though relatively low floral …
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THE CHARACTERIZATION AND UTILIZATION OF BARK AS A FLORICULTURE GROWING MEDIUM
… a soil-less medium for selected pot grown floriculture crops was evaluated.</p><p>Blends of bark of northern hardwood and softwood tree species from two New Hampshire sources were physically and chemically characterized. Measurements included N, P, K, Ca, Mg, pH, and total soluble salts on …
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