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Lutte contre le mildiou (A. solani) de la tomate

Lutte contre le mildiou (A. solani) de la tomate

B. Parameswari / M.L. Chhabra / S.K. Pandey

101,48 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Empresa y gestión
ISBN:
9786209845154
101,48 €
IVA incluido
Disponible

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La tomate (Lycopersicon esculentum Mill.) est une culture maraîchère importante, cultivée partout dans le monde en plein champ et sous abri. Cette culture est exposée à diverses maladies, parmi lesquelles le mildiou causé par Alternaria solani (Ellis et Martin) Sorauer est la plus destructrice. Un criblage en plein champ de 81 génotypes de tomates contre le mildiou a montré que 11 génotypes étaient très résistants, 23 résistants, 22 modérément résistants, 15 sensibles et 10 très sensibles. Les génotypes résistants au mildiou ont donné un rendement bien supérieur à celui des génotypes sensibles. Tous les fongicides testés (Dithene M-45, Blitox-50 et Kavach) et les pesticides à base de neem (Bioneem, Fortune et Nimbicidine) ont eu un effet positif sur la lutte contre la maladie et l’augmentation du rendement des plantes hôtes testées. Les espèces sauvages hautement résistantes, L. pimpinellifolium et L. peruvianum, présentaient des teneurs plus élevées en sucres, phénols, vitamine C, acides aminés libres totaux, protéines brutes totales, chlorophylle et NPK par rapport aux génotypes sensibles au stade pré-infectieux, tandis qu’après l’infection, une réduction marquée du niveau de ces constituants a été observée chez les génotypes sensibles par rapport aux génotypes résistants.

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