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 62 for “"SB Plant culture"”.
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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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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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Enhancing biomethane production from anaerobic digestion of Sargassum muticum
Higher methane yields from the anaerobic digestion (AD) of Sargassum muticum could improve the process energy balance and make its use during AD more economical and energetically favourable. Previous research showed that after 28 days of AD, methane yields from S. muticum were low (17% of the …
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Efficacy of indigenous pesticidal plants for tomato and brassica pest management in Malawi
… have considerable knowledge about pesticidal plants and reported Tephrosia vogelii, Vernonia amygdalina, Tithonia diversifolia and Azadirachta indica as particularly important. T. vogelii was the most popular species in Zambia (60.7%) and Malawi (53.4%) while brassicas constituted 34% and 44% …
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An investigation of the drivers of sustainable market development for high-nutrient staple crops – the case of vitamin A-rich sweet potato in Zambézia, Mozambique
Vitamin A deficiency (VAD) is a serious issue for 70 percent of Mozambique’s children aged between six months and five years, particularly those living in rural areas although those in low-income urban households are also at risk. Lack of access to vitamin A-rich foods contributes to the 35 percent …
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Diversity and role of bacterial endosymbionts infecting the cassava whitefly, Bemisia tabaci (Gennadius) in Sub-Saharan Africa
… mosaic virus-Uganda (EACMV-UG)-infected cassava plants var. Ebwanateraka. The fecundity (number of eggs laid) and nymph development was not affected by the presence of endosymbionts or the infection of cassava by the virus. AR- whiteflies, however, produced significantly higher number of adults …
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Integrated management of stalk rot disease (Sclerotinia sclerotiorum) of cauliflower in the eastern hills of Nepal
… yield presumably due to competition with crop plants. Some fungal antagonists of S. sclerotiorum, particularly a Trichoderma harzianum, showed promising activity but further work is necessary to translate the results on detached curds into a practical technique. Source of resistance to S. …
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Maize ear rot and associated mycotoxins in western Kenya
Maize was established as the most important crop and cob rot as the most important crop protection problem in Western Kenya. The mean percentage rotten maize grain resulting from cob rot was 19% based on the PRA survey in Kapsabet and Tongaren Divisions and on-farm evaluation of the Kenyan hybrids …
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Towards the management of Ustilago kamerunensis H Sydow and Sydow, a smut pathogen of napier grass (Pennisetum purpureum Schum.) in Kenya
Infection by headsmut, caused by Usti/ago kamerunensis, is the major cause of biomass reduction in Napier grass (Pennisetum purpureum). In Kenya, this grass is the primary source of fodder for zero grazed livestock, which are an important component of small-holder farm incomes in high potential …
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Integrative approach to discovering species diversity within the Mediterranean group of the Bemisia tabaci complex
… and (iv) bioassays to compare their host-plant ranges and performances on 13 plants. Our mitogenome phylogeny showed close relationships among Q1 and Q2 populations, while ASL was placed outside the Q1/Q2 cluster with 100% bootstrap support. Using the mitogenomes as a reference enabled the …
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Inactivation of Helicoverpa armigera nucleopolyhedrovirus on chickpea, Cicer arietinum L.
… on chickpea, and also to determine if the same plant chemistry also occurs on two other major African and Asian legumes, cowpea and pigeonpea, and to understand the mechanism involved. Laboratory results showed that chickpea leaf surface was more inactivating to NPV than cowpea or pigeonpea. …
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Studies of the mechanisms involved in host finding and mating behaviour of the African coffee white stem borer, Monochamus leuconotus (pascoe) (Cleoptera: Cerambycidae)
… between conspecific beetles and host plants. Mating behaviour and daily activity patterns of adult M. leuconotus were characterised under laboratory and semifield conditions. Mating was initiated after the male encountered a searching female and touched her with antennae or tarsi. The …
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Evaluation and annotation of Bemisia tabaci transcriptome data using paired-end RNA sequencing
… food security crops, transmits more than 100 plant viruses. Despite its global importance as one of the world’s top 100 invasive species, limited genomic resources are available in public domains. In this study, transcriptomic datasets from cassava and non-cassava colonizing B. tabaci …
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Evaluating effects of climate variability on postharvest quality of strawberries
… for lowering strawberry firmness. Furthermore, plants were cultivated under controlled conditions in growth cabinets in order to evaluate the effects of temperature and light on quality of strawberries. It was noticed that the effect of higher preharvest temperature over longer periods of time …
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Understanding mechanisms and identifying markers for the onset of senescent sweetening of potato (Solanum tuberosum)
… to maintain a ‘stable’ sugar profile), were planted from common seed tubers at 3 UK locations (Norfolk, Shropshire, Yorkshire) during the 1st year, Norfolk (Norwich) during the 2nd year and Yorkshire during the 3rd year of the study. During the first two years Pentland Dell and Russet …
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Impact of cassava innovations on household productivity and welfare in Uganda
Agriculture remains the mainstay of Uganda’s economy, employing its majority population and contributing significantly to its GDP. Cassava is a national priority crop for Uganda and remains a globally competitive source of food, nutrition and income security as well as an industrial commodity due …
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Mining disease resistance genes in cassava using next-generation sequencing
… in the resistant ones. Genes which function in plant adaptive response to abiotic stress were induced in both accessions but substantially more so in susceptible accessions. Unique transcriptional activity of CBSD-resistant cassava was defined by overexpression of nucleotide binding site / …
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Current and potential systems for maintaining sweetpotato planting material in areas with prolonged dry seasons: a biological, social and economic framework
… for conserving and multiplying sweetpotato planting material for early season planting after the long dry season. The study sought to understand and describe farmers’ existing approaches, improve on rapid multiplication techniques and develop rational use of available planting material. …
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