Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.3/1312
Título: Influence of the phototropism over the egg laying rhythm and emergence of three Trichogramma species (Hym., Trichogrammatidae)
Autor: Tavares, João
Voegelé, Jean
Palavras-chave: Biological Control
Etology
Oviposition
Parasitoid Development
Photoperiodism (Light)
Trichogramma sp.
Data: 5-Abr-1991
Citação: Tavares, J. & J. Voegelé (1991). Influence of the phototropism over the egg laying rhythm and emergence of three Trichogramma species (Hym., Trichogrammatidae). "Communication presented at the 4th European Workshop 'Insect parasitoids', held in Perugia, Italy, 3-5 April 1991; 5 ref."
Resumo: The egg parasites of the genus Trichogramma (Hym., Trichogrammatidae), are important Biological auxiliaries used in over 20 million acres, in more the 20 countries around the word, for the control of agricultural pest namely lepidopterans (Trichogramma News, 1988), having Portugal a contribution of over 400 acres in 1990. The obtainment of the necessary amounts of Trichogramma with the desired quality, passes fundamentally by the knowledge of its biology and etology as well as by the usage of efficient production techniques. In this time, the influence of the photoperiod’s over the egg laying rhythm and emergence of three Trichogramma species. Trichogramma biesi VOEGELÉ, T. maidis PINTUREAU & VOEGELÉ and T. embryophagum HARTIG, accepted as representatives for three vegetables extracts, respectively of low medium and high altitudes, where studied.
Descrição: 4th European Workshop 'Insect parasitoids', held in Perugia, Italy, 3-5 April 1991.
Published in Redia 74(3, Appendix): 309-314.
URI: http://hdl.handle.net/10400.3/1312
Aparece nas colecções:DBIO - Comunicações a Conferências / ConferenceItem

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