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Filtering by: Committee Member Strub, Theodore P. Creator Alvarez B., Francisco

Studies on resistance of rice to Sogatodes oryzicola (Muir) and a parasitoid, Haplogonatopus sp., in Costa Rica

Creator:

Alvarez B., Francisco

Abstract:

Twenty-one rice cultivars were evaluated to determine the difference between populations of Sogatodes oryzicola (Muir) (Homoptera: Delphacidae) in Costa Rica and Colombia, Survival, mortality and population development of S. oryzicola on five selected cultivars was used to determine levels of plant resistance. The importance and potential of the parasitoid-predator Haplogonatopus...

Resource Type:

Masters Thesis

Full Text:

thanks to my Graduate Committee Dr. H. Ronald Cameron, Dr. Theodore P. Kistner, and especially to Dr. M