1965
DOI: 10.1007/bf02387078
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Osservazioni sulla biologica dellaProspaltella perniciosi Tow. nella valle Padana

Abstract: Nel 1958 avevo iniziato alcune prove di allevamento e di aeclimatazione .della ProxpalteUa perniciosi TOWER su piante di Pesco nella zona fruttifera a Sud di Verona (Valle Padana), prove che sono continuate negli anni seguenti. Come ho gi~ riferito in una breve nora (1963), le cortdizioni climatiche si sono dirnostrate favorevoli allo sviluppo dell'Imenottero; la sua diffusione non b stata perS molto fortunata poichb i peschi, che sono fra i fruttiferi i pifi sensibili agli attacchi d'Aspidiotus, sono morti in… Show more

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“…Additional introductions are thought to have happened in 1946 and/or 1947 ), but both attempts were apparently unsuccessful (Clausen 1978). In 1958, and again in 1967, a Russian strain obtained via France was released in the Po Valley, Italy, where it established and achieved 60% parasitism within a year after release (Gambaro 1965). Additional releases followed, and overall 'some millions' of E. perniciosi were released in a single region (i.e.…”
Section: Encarsia Perniciosi (Tower) (Hym Aphelinidae)mentioning
confidence: 99%
“…Additional introductions are thought to have happened in 1946 and/or 1947 ), but both attempts were apparently unsuccessful (Clausen 1978). In 1958, and again in 1967, a Russian strain obtained via France was released in the Po Valley, Italy, where it established and achieved 60% parasitism within a year after release (Gambaro 1965). Additional releases followed, and overall 'some millions' of E. perniciosi were released in a single region (i.e.…”
Section: Encarsia Perniciosi (Tower) (Hym Aphelinidae)mentioning
confidence: 99%