Revista Colombiana de Entomología (1998) 24, 17-22

Guillermo Sotelo, César Cardona and John Miles (1998)
Metodología mejorada para evaluación de resistencia de Brachiaria spp. al salivazo de los pastos (Homoptera: Cercopidae) en invernadero
[An improved methodology to screen genotypes of Brachiaria spp. for resistance to spittlebug (Homoptera: Cercopidae) in greenhouse conditions]
Revista Colombiana de Entomología 24 (1-2), 17-22
Abstract: A new methodology to evaluate genotypes of Brachiaria spp. for resistance to the spittlebug Aeneolamia varia F (Homoptera: Cercopidae) is described and supported. The methodology proposed herein allows precise identification of genotypes possessing antibiosis to nymphs, tolerance to nymphs and adults and combinations of these mechanisms. Apart from being precise in the evaluation of Brachiaria genotypes for resistance or susceptibility to spittlebug, the new methodology is 50% faster, requires 70% less greenhouse space and 70-80% less material resources. It permits evaluation of nymphal damage to the plants (which was not possible with previously used methodologies) and to increase the number of genotypes screened per year from. 300 to 2,000. It does not have contamination problems and may be used with other spittlebug species.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
(original language: Spanish)
Database assignments for author(s): Cesar Cardona

Research topic(s) for pests/diseases/weeds:
resistance/tolerance/defence of host

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Aeneolamia varia	Urochloa (crop)‎