During field screening from 1978 to 1981 of 121 accessions of the tropical pasture legume Stylosanthes capitata at two sites in Colombia and at Planaltina in Brazil, 94.2% of the accessions were resistant to anthracnose (caused by Colletotrichum gloeosporioides) in Colombia while 85.1% were susce...
Lenne, J.M.
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Thomas, D.
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Andrade, Ronaldo P. de
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Vargas, A.
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[Anthracnose of Stylosanthes capitata: Implications for future disease evaluations of indigenous tropical pasture legumes]
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Anthracnose of Stylosanthes capitata: Implications for future disease evaluations of indigenous tropical pasture legumes
Moreno, J.
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Torres, C.
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Lenne, J.M.
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[Evaluation of diseases of Leucaena species in the Cauca Valley, Colombia]
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Evaluation of diseases of Leucaena species in the Cauca Valley, Colombia
A previously undescribed leaf spot of Centrosema spp. in Colombia and Costa Rica was found to be caused by Cylindrocladium colhounii. Symptoms included irregular, zonate, brown leaf spots, 10–30 mm in diameter; chlorosis; and defoliation. Pastures of Centrosema acutifolium cv. Vichada in the east...
Lenne, J.M.
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Vargas de Alvarez, A.
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[Leaf spot of Centrosema species caused by Cylindrocladium colhounii]
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Leaf spot of Centrosema species caused by Cylindrocladium colhounii
Xiphinema llanosum n. sp. and Trophurus vultus n. sp. are described and illustrated from grass soils in Llanos Orientales, Colombia. Xiphinema llanosum is a bisexual species. The female body length is 2.3-2.7 mm, odontostyle 86-96 [mu]m, and odontophore 58-65 [mu]m long; vulva at 42-47%; anterior...
Siddiqi, MR
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Lenne, J.M.
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[Xiphinema llanosum and Trophurus vultus, two new plant nematode species from pasture soils in Colombia]
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Xiphinema llanosum and Trophurus vultus, two new plant nematode species from pasture soils in Colombia
Toledo, José M.
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Vera, Raúl R.
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Lascano, Carlos E.
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Lenne, J.M.
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[Andropogon gayanus Kunth: a grass for tropical acid soils]
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Andropogon gayanus Kunth: a grass for tropical acid soils
Lenne, J.M.
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Calderón, M.
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[Problemas causados por plagas y enfermedades en Andropogon gayanus]
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Problemas causados por plagas y enfermedades en Andropogon gayanus
Olaya H, G
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Lenne, J.M.
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[Importancia de Rhizoctonia sp. (binucleado) como patogeno de Centrosema spp. en Colombia]
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Importancia de Rhizoctonia sp. (binucleado) como patogeno de Centrosema spp. en Colombia
This paper synthesizes the key findings presented in the previous 15 papers, and presents a summary of a discussion on best approaches, strategies and partnerships to improve the utilization of food–feed crops. The synthesis provides guidance for future research and development in crop–livestock ...
Lenne, J.M.
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Fernández Rivera, S.
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Blümmel, Michael
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[Approaches to improve the utilization of food-feed crops—synthesis]
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Approaches to improve the utilization of food-feed crops—synthesis