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Journal Article 1983

Autor: Lenne, J.M.

A stem gall nematode is reported for the first time on the promising tropical pasture legume Desmodium ovalifolium CIAT 350 in Colombia. Stem galling was usually associated with damage caused by animal trampling. The nematode has been identified as a new genus of the family Anguinidae.

Enlace original: https://cgspace.cgiar.org/handle/10568/44133

Investigación en Agricultura
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Lenne, J.M. ,  [Stem gall nematode on Desmodium ovalifolium in Colombia] ,  Stem gall nematode on Desmodium ovalifolium in Colombia
Journal Article 1982

Autor: Lenne, J.M. Sonoda, R.M.
Enlace original: https://cgspace.cgiar.org/handle/10568/65778

Investigación en Agricultura
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Lenne, J.M. ,  Sonoda, R.M. ,  [Effect of anthracnose on yield of the tropical forage legume Stylosanthes hamata] ,  Effect of anthracnose on yield of the tropical forage legume Stylosanthes hamata
Journal Article 1984

Autor: Siddiqi, MR Lenne, J.M.

Pterotylenchus cecidogenus n. gen., n. sp. from stem-galls of Desmodium ovalifolium Wall. in Colombia is described and illustrated. The new genus belongs to Anguinidae and is related to Orrina Brzeski, 1980 but is unique in having large vulval flaps. P. cecidogenus has females with body 0.59-0.8 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/43981

Investigación en Agricultura
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Siddiqi, MR ,  Lenne, J.M. ,  [Pterotylenchus cecidogenus n. gen., n. sp., a new stem-gall nematode parasitizing Desmodium ovalifolium in Colombia] ,  Pterotylenchus cecidogenus n. gen., n. sp., a new stem-gall nematode parasitizing Desmodium ovalifolium in Colombia
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 1989

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

A survey of three regions of Colombia revealed a total of 31 species of plant-parasitic nematodes associated with tropical pasture legumes and grasses. Seventeen of these nematode species had not been recorded previously in Colombia. There also are 120 newly reported associations of plant-parasit...

Enlace original: https://cgspace.cgiar.org/handle/10568/43961

Investigación en Agricultura
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Stanton, J.M. ,  Siddiqi, MR ,  Lenne, J.M. ,  [Plant-parasitic nematodes associated with tropical pastures in Colombia] ,  Plant-parasitic nematodes associated with tropical pastures in Colombia
Journal Article 1985

Autor: Lenne, J.M. Sousa Costa, N.M. de

Rust caused by Puccinia stylosanthis is reported for the first time on native populations of Stylosanthes aurea and S. guianensis var. pauciflora in the vicinity of Diamantina, Minas Gerais, Brazil. Although not common in May 1983, rust severely affected 50% of S. aurea and moderately affected mo...

Enlace original: https://cgspace.cgiar.org/handle/10568/43982

Investigación en Agricultura
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Lenne, J.M. ,  Sousa Costa, N.M. de ,  [Puccinia stylosanthis on Stylosanthes spp. in Brazil] ,  Puccinia stylosanthis on Stylosanthes spp. in Brazil
Journal Article 1981

Autor: Lenne, J.M.

The detection of the root-knot nematode, Meloidogyne javanica, as a pathogen of Desmodium spp. in Colombia, is the first reported case in South Aemerica. In the field, promising pasture legumes D. gyroides, D. heterocarpon and D. ovalifolium were severely damaged, while adjacent stands of Centros...

Enlace original: https://cgspace.cgiar.org/handle/10568/44007

Investigación en Agricultura
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Lenne, J.M. ,  [Reaction of Desmodium species and other tropical pasture legumes to the root-knot nematode Meloidogyne javanica] ,  Reaction of Desmodium species and other tropical pasture legumes to the root-knot nematode Meloidogyne javanica
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 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

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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

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