Open AccessParthenolecanium сorni Bouche on black currant
Author(s) -
A.V. Bakalova
Publication year - 2016
Publication title -
zahist ì karantin roslin
Language(s) - English
Resource type - Journals
eISSN - 2786-4960
pISSN - 1606-9773
DOI - 10.36495/1606-9773.2016.62.295-305
Subject(s) - yield (engineering) , productivity , horticulture , toxicology , mathematics , biology , economics , physics , macroeconomics , thermodynamics
Among the dominating phytophages on black currant the most common and dangerous is Parthenolecanium сorni, the number of which is systematically increase than EPSH in 2 times which is significantly affecting the productivity of the plants. The efficiency of timely protection measures is a black currant by insecticides providing increased technical efficiency from 69.7 to 91.5%. The yield of berries herewith increases from 1.4 to 2.3 t/ha, the net income increases up to 25991 UAH/ha, and rate of energy efficiency ranging from 1.46 to 1.96 units.