Browsing Life sciences and Bio-engineering by Author "Venkataramana, Pavithravani"
Now showing items 1-20 of 36
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Agro-Morphological Exploration of Some Unexplored Wild Vigna Legumes for Domestication
Harouna, Difo Voukang; Venkataramana, Pavithravani; Matemu, Athanasia; Ndakidemi, Patrick (MDPI, 2020-01-13)The domestication of novel or hitherto wild food crops is quickly becoming one of the most popular approaches in tackling the challenges associated with sustainable food crop production, especially in this era, where ... -
Assessment of Farmers’ Indigenous Knowledge and Preferences: A Tool for Sustainable Lablab Bean (Lablab purpureus. L. Sweet) Improvement and Utilization in Northern Tanzania
Chawe, Kissa; Venkataramana, Pavithravani; Ndakidemi, Patrick (Journal of Advances in Biology & Biotechnology, 2019-03-27)Participatory farmers’ selection of preferred lablab bean (Lablab purpureus L. Sweet) was conducted in Moshi Rural, Kilimanjaro in northern Tanzania to identify farmers preferred traits and accessions. An experimental ... -
Assessment of the soil suitability for soybean growth and the prospect biofertilizers use in selected areas of Tanzania
Nakei, Monica; Venkataramana, Pavithravani; Ndakidemi, Patrick (Maximum Academic Press, 2023-10-19)The rapidly increasing global human population threatens the availability of safe and nutritious food. Among others, soil fertility degradation, insufficient use of proper fertilizers and scanty soil characterizations have ... -
Assessment of Water Absorption Capacity and Cooking Time of Wild Under-Exploited Vigna Species towards their Domestication
Harouna, Difo Voukang; Venkataramana, Pavithravani; Matemu, Athanasia; Ndakidemi, Patrick (MDPI, 2019-09-04)Some phenotypic traits from wild legumes are relatively less examined and exploited towards their domestication and improvement. Cooking time for instance, is one of the most central factors that direct a consumer’s ... -
Biopesticide efficacy of four plant essential oils against papaya mealybug, Paracoccus marginatus Williams and Granara de Willink (Hemiptera: Pseudococcidae)
Mwanauta, Regina; Ndakidemi, Patrick; Venkataramana, Pavithravani (Heliyon, 2023-03-01)Worldwide, P. marginatus causes 75% of estimated economic loss in papaya farming, with an increase in production costs. The extract of plant essential oils (PEO) has the potential to control P. marginatus by degrading ... -
Breeding potential of lablab [Lablab purpureus (L.) Sweet]: a review on characterization and bruchid studies towards improved production and utilization in Africa
Letting, Fanuel; Venkataramana, Pavithravani; Ndakidemi, Patrick (Springer Nature Switzerland AG., 2021-09-21)Lablab (Lablab purpureus) [Lablab purpureus (L.) Sweet] is termed a lost, underutilized and neglected crop in Africa. Despite the multipurpose use, production, consumption and research are still limited. Wide genetic ... -
Breeding potential of lablab [Lablab purpureus (L.) Sweet]: a review on characterization and bruchid studies towards improved production and utilization in Africa
Letting, Fanuel; Venkataramana, Pavithravani; Ndakidemi, Patrick (Springer Netherlands, 2021-09-22)Lablab (Lablab purpureus) [Lablab purpureus (L.) Sweet] is termed a lost, underutilized and neglected crop in Africa. Despite the multipurpose use, production, consumption and research are still limited. Wide genetic ... -
Characterization of Farmer’s knowledge and management practices of papaya mealybug Paracoccus magnatus (Hemiptera: Pseudococcidae) in Tanzania
Mwanauta, Regina; Ndakidemi, Patrick; Venkataramana, Pavithravani (Elsevier, 2022-02-22)Papaya mealybug (PMB) is a serious insect pest for papaya production in Sub-Saharan Africa, limiting production potential in farming communities. We did a household survey to evaluate the Characteristics of farmers' ... -
Characterization of phenotypic traits associated with anthracnose resistance in selected common bean (Phaseolus vulgaris L.) breeding material
Kadege, Edith; Venkataramana, Pavithravani; Assefa, Teshale; Girma, Ellena; Ndunguru, Joseph; Mukankus, Clare; Rubyogo, Jean; Mbega, Ernest (Research Square, 2023-06-26)Anthracnose caused by Colletotrichum lindemuthianum is the major common bean disease worldwide. This study aimed to determine phenotypic traits associated with anthracnose resistance for future use in breeding programmes. ... -
Characterization of phenotypic traits associated with anthracnose resistance in selected common bean (Phaseolus vulgaris L.) breeding material
Kadege, Edith; Venkataramana, Pavithravani; Assefa, Teshale; Ndunguru, Joseph; Rubyogo, Jean Claude; Mbega, Ernest (Elsevier Ltd, 2024-02-27)Anthracnose caused by Colletotrichum lindemuthianum is the major common bean disease worldwide causing complete yield loss under favourable disease conditions. This study aimed to determine phenotypic traits associated ... -
Characterization of Provitamin A Status and Distribution in Commercial Grown Maize Varieties in Tanzania
Msungu, Selly; Venkataramana, Pavithravani; Mushongi, Arnold (East African Journal of Science, Technology and Innovation, 2022-02-16)Provitamin A carotenoids are important as precursors for vitamin A, essential for stronger immune system and eyesight. Consumption of a plant-based diet rich in provitamin A such as provitamin A maize is an easy and ... -
Contribution of the Dolichos Lablab value chain to farmer's household livelihood assets in Tanzania
Minde, Josephine; Matemu, Athanasia; Venkataramana, Pavithravani (Elsevier Inc., 2022-11-17)Lablab is a legume with multiple uses as food, feed, and organic fertilizer. However, it is underutilized, and its empirical contribution to farmers' livelihoods is limited. This study examined the Lablab value chain (LVC) ... -
Dolichos Lablab-an underutilized crop with future potentials for food and nutrition security: a review.
Minde, Josephine; Venkataramana, Pavithravani; Matemu, Athanasia (Taylor & Francis Online, 2020-06-12)Achieving the Sustainable Development Goals (SDGs) particularly goal number two in developing countries by 2030 is challenging. The State of Food Security and Nutrition (2019) in the World show prevalence of undernourishment ... -
Enhancing Food Grains Storage Systems through Insect Pest Detection and Control Measures for Maize and Beans: Ensuring Food Security Post-COVID-19 Tanzania
Chidege, Maneno; Venkataramana, Pavithravani; Ndakidemi, Patrick (MDPI, 2024-02-21)COVID-19 poses a significant threat to the present and future of mankind. The emergence of diverse strains during the pandemic creates uncertainty regarding their disappearance or resurgence. Lockdown measures and travel ... -
Evaluating Rhizobium and Bradyrhizobium species as potential biocontrol agents for root rot fungi in soybean seedlings
Nakei, Monica; Venkataramana, Pavithravani; Ndakidemi, Patrick (Technology in Agronomy, 2024)Soybean (Glycine max) is among the legumes which are highly prone to soil-borne pathogens which causes root-rot diseases limiting the growth and development resulting to low yield of plants. This study was conducted to ... -
Farmers’ Participatory Plant Selection of Lablab (Lablab purpureus (L.) Sweet) in Tanzania
Letting, Fanuel; Venkataramana, Pavithravani; Ndakidemi, Patrick (Frontiers in Plant Science, 2022-06-23)Farmer-participatory breeding approach is an important component in the crop improvement of lablab (Lablab purpureus (L.) Sweet). The study was carried out to obtain the knowledge, practices and preferences of lablab ... -
Insecticidal Activity of Selected Plant-Derived Essential Oils against Papaya Mealybug (Paracoccus marginatus)
Mwanauta, Regina; Venkataramana, Pavithravani; Ndakidemi, Patrick (MDPI, 2023-12-02)The current study aims to assess the effectiveness of three essential oils derived from neem, citrus, and garlic against papaya mealybug. Papaya seedlings were transplanted in the field in a completely randomized block ... -
Lablab purpureus: Analysis of landraces cultivation and distribution, farming systems, and some climatic trends in production areas in Tanzania
Missanga, Julius; Venkataramana, Pavithravani; Ndakidemi, Patrick (De Gruyter Open Access, 2023-01-01)Lablab is a multifunctional crop that is underutilized in Africa. This study was performed to assess Lablab landraces cultivation and distribution, farming systems, and some climatic trends in Lablab production areas in ... -
Lablab purpureus: Evaluation and Selection of Drought-tolerant - High-yielding Accessions in Dry Farming Systems Based on Drought Tolerance Indices and Multi- environmental Yield Trials
Missanga, Julius; Ndakidemi, Patrick; Venkataramana, Pavithravani (Ankara University, 2023-03-03)Breeding for drought tolerance in crops requires responding knowledge on the moisture regimes of crops. This study was conducted to evaluate and select the drought tolerant - high yield Lablab accessions in the dry farming ... -
Mapping QTL for bruchid resistance in rice bean (Vigna umbellata)
Venkataramana, Pavithravani; Gowda, Rame; Somta, Prakit; Ramesh, S; Rao, Mohan; Bhanuprakash, K; Srinives, Peerasak; Gireesh, C; Pramila, CK (Springer Netherlands, 2016-06)The damage caused to stored seed by bruchids (Callosobruchus maculatus) is considered to be a major production constraint in rice bean (Vigna umbellata). Breeding for genetically determined resistance is the most environmentally ...