2005 - facultatea de stiinte agricole , industrie alimentara si protectia ...
2005 - facultatea de stiinte agricole , industrie alimentara si protectia ...
2005 - facultatea de stiinte agricole , industrie alimentara si protectia ...
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ACTA UNIVERSITATIS CIBINIENSIS - Seria ŞtiinŃe Agricole, vol. 1, nr. 1 (5), <strong>2005</strong>CERCETARI PRIVIND BIOLOGIA VIESPII SEMINTELOR DE PRUNEURYTOMA SCHREINERISCHR.Panuta SergiuUniver<strong>si</strong>tatea Agrara <strong>de</strong> Stat din Chi<strong>si</strong>nau, Republics MoldovaABSTRACT:The wasp of the plum stones <strong>de</strong>velopes a generation for an year spends the last agein<strong>si</strong><strong>de</strong> the fallen stones on the <strong>si</strong>ll surface. From the total number of larvae 37,7 percent have fallen in the pause of two yaers, and 15,9 per cent have died because of theunfavorable <strong>de</strong>velopment conditions. The impupation period lasted 35-47 days becauseof the temperature fluctuation during the March and Avril months. For going au thefemales gnaw some orifices with the diameter of 1,5 mm and the males 1,2 mm. Thefirst males appearance was registered the 5 th of May but the first females were the 10nd of May, 5 days later. A on the appearing of the first females it is necessary toaccomplish chemical treatments. The mass fly of the adults was registered in the firstten days of may but the number of females was to bigger then the number of males.KEY WORDS: plump stones, Eurytoma schreineri Schr., chemical treatments.
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