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Journal Article 1990

Autor: Lenne, J.M. Burdon, J.J.

Variation for nine virulence and four electrophoretic characters was determined for 69 samples of Colletotrichum gloeosporioides collected in five natural stands of its host, Stylosanthes guianensis, in South America. Virulence phenotypes varied from four in the Quilichao population to 22 in the ...

Enlace original: https://cgspace.cgiar.org/handle/10568/43973

Investigación en Agricultura
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Lenne, J.M. ,  Burdon, J.J. ,  [Preliminary study of virulence and isozymic variation in natural populations of Colletotrichum gloeosporioides from Stylosanthes guianensis] ,  Preliminary study of virulence and isozymic variation in natural populations of Colletotrichum gloeosporioides from Stylosanthes guianensis
Journal Article 1983

Autor: Grof, B

Agronomic assessment of 76 accessions of tropical fine stem stylo or "tardio" (Stylosanthes guianensis Sw. var. guianensis) was carried out at the Carimagua Research Station in the eastern plains region of Colombia. Of 27 accessions tested for dry matter yield, CIAT 10136 was the highest yielder ...

Enlace original: https://cgspace.cgiar.org/handle/10568/43972

Investigación en Agricultura
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Grof, B ,  [Preliminary studies on the performance of accessions of tropical fine stem stylo (Stylosanthes guianensis sw. var. guianensis) in the eastern plains of Colombia] ,  Preliminary studies on the performance of accessions of tropical fine stem stylo (Stylosanthes guianensis sw. var. guianensis) in the eastern plains of Colombia
Journal Article 1980

Autor: Lenne, J.M. Turner, J.W. Cameron, DF

In recent years, increasing numbers of pathogens and pests have been reported from major centres of tropical pasture research. Damage is often severe and controls are needed. Diseases and pests may be controlled chemically, biologically, culturally and genetically. In pasture plants genetical res...

Enlace original: https://cgspace.cgiar.org/handle/10568/44043

Investigación en Agricultura
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Lenne, J.M. ,  Turner, J.W. ,  Cameron, DF ,  [Resistance to diseases and pests of tropical pasture plants] ,  Resistance to diseases and pests of tropical pasture plants
Journal Article 1983

Autor: Andrade, Ronaldo P. de Thomas, D. Ferguson, John E.

The seed yields and limitations to yield for nine pasture legumes in a tropical savanna region were defined in a 3-year field experiment at the Cerrodos Agricultural Research Centre near Brasilia (15°36' S, 47° 42' W). Assessment was based on flowering times, incidence of diseases and pests, yiel...

Enlace original: https://cgspace.cgiar.org/handle/10568/44075

Investigación en Agricultura
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Andrade, Ronaldo P. de ,  Thomas, D. ,  Ferguson, John E. ,  [Seed production of pasture species in a tropical savanna region of Brazil. 1. Legumes] ,  Seed production of pasture species in a tropical savanna region of Brazil. 1. Legumes
Journal Article 1990

Autor: Lenne, J.M.

A wide range of fungi, two bacteria and several viruses and nematodes have been recorded throughout the tropics on a group of Cassia species defined as taxonomically and geographically related to Cassia rotundifolia. Although limited information was found on the relative importance of these patho...

Enlace original: https://cgspace.cgiar.org/handle/10568/42745

Investigación en Agricultura
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Lenne, J.M. ,  [Diseases of Cassia species--a review] ,  Diseases of Cassia species--a review
Journal Article 1990

Autor: Lenne, J.M. Stanton, J.M.

Fungal pathogens representing 36 genera and over 70 species, one bacterium, mycoplasma-like-organisms, at least six viruses, five races of root-knot nematodes and six other nematodes have been recorded on 18 Desmodium species of agronomic interest throughout tropical regions. Although limited inf...

Enlace original: https://cgspace.cgiar.org/handle/10568/42746

Investigación en Agricultura
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Lenne, J.M. ,  Stanton, J.M. ,  [Diseases of Desmodium species - A review] ,  Diseases of Desmodium species - A review
Journal Article 1986

Autor: Sonoda, RM Lenne, J.M.

Diseases of Aeschynomene spp. observed in forage evaluation trials in South America and Florida, U.S.A. are described and discussed. Newly discovered diseases include Polythrincium sp. leaf blotch, Calonectria sp. dieback, and Rhizoctonia solani Kuhn foliar blight. Diseases previously reported fr...

Enlace original: https://cgspace.cgiar.org/handle/10568/42744

Investigación en Agricultura
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Sonoda, RM ,  Lenne, J.M. ,  [Diseases of Aeschynomene species] ,  Diseases of Aeschynomene species
Journal Article 1987

Autor: Dextre, R. Ayarza, Miguel Angel Toledo, José M. Calderón, M. Lenne, J.M. Pizarro, Esteban A.
Enlace original: https://cgspace.cgiar.org/handle/10568/88614

Investigación en Agricultura
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Dextre, R. ,  Ayarza, Miguel Angel ,  Toledo, José M. ,  Calderón, M. ,  Lenne, J.M. ,  Pizarro, Esteban A. ,  [Pasture germplasm evaluation and agronomy] ,  Pasture germplasm evaluation and agronomy
Journal Article 1990

Autor: Morales, Francisco José Niessen, AI Castaño, M. Calvert, L.

A filamentous virus about 715 nm long was isolated from a plant of the tropical forage legume Centrosema macrocarpum affected by mosaic. Ultrathin sections of symptomatic leaf tissue showed pinwheel inclusions in the cytoplasm of infected cells. The virus was transmitted by mechanical means, by a...

Enlace original: https://cgspace.cgiar.org/handle/10568/42725

Investigación en Agricultura
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Morales, Francisco José ,  Niessen, AI ,  Castaño, M. ,  Calvert, L. ,  [Detection of a strain of soybean mosaic virus affecting tropical forage species of Centrosema] ,  Detection of a strain of soybean mosaic virus affecting tropical forage species of Centrosema

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