Ravishankar Manickam

Integrating grafting and bio-inputs for sustainable management of root knot nematode, Meloidogyne incognita, in tomato cultivation

Seenivasan Nagachandrabose, Mookiah Shanthi, Sankaran Pagalahalli Shanmugam, Thiyagarajan Elaiyabharathi et autres

Introduction Root-knot disease in tomato, caused by Meloidogyne incognita , presents a major challenge to global tomato production. This study explored a sustainable management approach by evaluating host-plant resistance through grafting combined with bio-inputs in farmers’ fields with high natural infestations of …

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Evaluation of Integrated Pest and Disease Management Combinations against Major Insect Pests and Diseases of Tomato in Tamil Nadu, India

Sankaran Pagalahalli Shanmugam, M. Murugan, Mookiah Shanthi, Thiyagarajan Elaiyabharathi et autres

Tomatoes are one of the predominant vegetable crops grown throughout the year in Tamil Nadu, India. Their perishable nature and resource-intensive cultivation make them susceptible to biotic stress. The damage caused by invasive insect pests, bacterial wilt during the rainy season, and …

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Better income from pest and disease- free tomatoes

V.L. Bharathi Parupalli, Md. Harun-Or-Rashid, Syed Mahmudul Huq, Nirmal Kumar Dutta et autres

This guide offers a concise overview of the major pests and diseases affecting tomatoes, highlighting their symptoms, the damage they cause, and providing cultural and biological control strategies for effective management.

Guidance on farmer participation in the design, testing and scaling of agricultural innovations

Lukas Pawera, Ravishankar Manickam, C.W. Wangungu, Uon Bonnarith et autres

Despite accelerated developments in agricultural innovations, there has been a limited progress in their adoption by smallholder farmers, especially in the Global South. Innovations are not adequately reaching farmers, and new technologies are often unsuitable for farmers, or the overall innovation landscape …

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Boosting Tomato Resilience in Tanzania: Grafting to Combat Bacterial Wilt and Abiotic Stress

Shem Elias Msabila, Thibault Nordey, Zablon Ernest, Nickson Mlowe et autres

The grafting technique has successfully mitigated crop losses from diseases and stress in vegetable production; however, vegetable grafting in Tanzania is very limited. Field and greenhouse experiments conducted in Tanzania’s mainland and islands compared the response of tomato determinate cv. ‘Tanya’ to …

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Lung Cancer Segmentation

Balasubramaniam Saravanan, Shruthi Gokul, G Yaswanth Durga Reddy, Ashwani Kumar et autres

Lung cancer region segmentation through medical image information serves as an essential element of computer-aided diagnosis systems. We present a technique in this paper that uses the Vector of Support Machine (SVM) technique to achieve this. The feature vectors from the extracted …

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Diversifying vegetable production systems for improving the livelihood of resource poor farmers on the East Indian Plateau

Ravishankar Manickam, Devender Pal Kaur, Anilkumar Vemula, Abhishek Rathore et autres

Failure of the rice crop, or low rice yield has dire consequences for rice-dependent households, including food insecurity and malnutrition, for India’s poorest farmers in the East Indian Plateau region. Crop diversification could reduce the risks of rice production from the vagaries …

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The continued effects of COVID-19 on the lives and livelihoods of vegetable farmers in India

Sandhya S. Kumar, Pepijn Schreinemachers, Arshad Ahmad Pal, Ravishankar Manickam et autres

India experienced a rapid rise in COVID-19 infections from March 2021. States imposed varying levels of lockdowns and curfews to curb the spread of the disease. These restrictions severely affected the functioning of food systems. The objective of this study was to …

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Eggplant accessions (Solanum melongena) for resistance to bacterial wilt disease and for use as a rootstock for grafted tomato in Mali and Burkina-Faso

Wubetu Bihon, Jean-Baptiste Tignegre, J. Chen, Ravishankar Manickam et autres

ISHS IV All Africa Horticultural Congress - AAHC2021: Transformative Innovations in Horticulture Eggplant accessions (Solanum melongena) for resistance to bacterial wilt disease and for use as a rootstock for grafted tomato in Mali and Burkina-Faso

Effect of grafting on yield of commercial tomato cultivars grown under bacterial wilt (Ralstonia solanacearum) infested soil

J.A. Kitundu, Fekadu Fufa Dinssa, Ravishankar Manickam, John M. Macharia et autres

Evaluation of Different Bacterial Wilt Resistant Eggplant Rootstocks for Grafting Tomato

Ravishankar Manickam, Jaw-Rong Chen, Paola Sotelo-Cardona, L. Kenyon et autres

Bacterial wilt (BW) is one of the most economically important diseases of tomato and eggplant in the tropics and subtropics, and grafting onto resistant rootstocks can provide an alternative and effective solution to manage soil-borne bacterial in these crops. This study was …

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Vegetable grafting in promoting sustainable vegetable production in developing countries

Ravishankar Manickam, Mohamed Rakha, W.Y. Chen, Thibault Nordey et autres

Since 2000, the World Vegetable Center (WorldVeg) has been promoting vegetable grafting technologies to manage soil-borne diseases (e.g., bacterial wilt) and abiotic stresses (e.g., waterlogging) in South-East Asia (Vietnam, Philippines, Indonesia, Cambodia and Lao PDR), South Asia (India, Bangladesh, Sri Lanka, Nepal …