RESEARCH REGARDING BIOLOGY AND ECOLOGY OF THE MAIN APHID SPECIES OF POTATO CULTURE PUBLISHEDLiana Mihaela Fericean, I. Pălăgeşiu, Ana Maria Virteiu, Silvia Prunar
This paper presents data referring to the life cicle of aphid species from potato cultivations, for a period of three years 2005-2007, from Didactic Station Timisoara and Varfurile County. The knowlege of potato aphid life cicle constitute a basic element of the integrated potato pests control. For the species Myzus persicae, the medium multiannual date of flight towards the potato is 20th May. The species Aphis fabae evolved on the potato in 6 – 9 generations. For the species Macrosiphum euphorbiae the maximum flight was recorded in the second part of June in 2005 and 2006, while in 2007 the maximum flight of the species was recorded in the second part of May. The species Phorodon humuli developed on the potato in 5 – 6 fundatrigenous generations. At Aulacorthum solani, the population development was maximum in May and June, the species disappearing from the potato culture in August.
aphids; life cicle; potato