In a note rasskazhivaetsya about the dangerous kakrantinny wrecker – the American white butterfly and methods of fight against it.
Plants owners. The American white butterfly (ABB) – the dangerous quarantine wrecker, a polyphage. It damages more than 100 types of tree, shrubby species and about 100 types of grassy plants. The mulberry, the American maple, a quince, an elder, a cherry, a pear, grapes, a walnut, plum, hop, an apple-tree are most damaged.
Now ABB is practically in all territory of Ukraine and is object of external and internal quarantine.
In 2007 in the Crimea control survey for the purpose of identification of the American white butterfly was conducted. 15 areas, 7 cities on the area – 586 hectares are surveyed., 32 settlements – 545,0ga., 98 farms – 2059,0ga, 150 personal plots – 105,0ga.
Definition of terms of development of the American white butterfly very important for planning and timely carrying out measures of fight on elimination of the wrecker in the conditions of small number.
The state inspectorate for quarantine of plants annually gives alarm messages on terms of carrying out destructive actions.
Quarantine actions for the prevention of distribution of the American white butterfly.
In the territory with a special quarantine mode the complex of the quarantine actions directed on destruction of the centers of ABB and restriction of further distribution of the wrecker is carried out.
According to the law of Ukraine About quarantine of plants the enterprises, farms, establishments and citizens in which territory ABB centers are revealed, are obliged to hold quarantine events for localization and elimination of the centers of the wrecker at own expense.
For elimination of the centers surely it is necessary to hold agrotechnical events: collecting and destruction of caterpillars and yaytsekladok. Branches with nests of caterpillars cut off and burn. On the damaged trees delete a dead bark, trunks of trees cover with a lime. On personal plots it is necessary to use lovchy belts from a cardboard or a crepe paper. Before an okuklivaniye of caterpillars these belts remove and burn.
Destructive actions provide use entomofagov, biological and chemical preparations.
In the center territory all plantings process 2 times with an interval in 10 days. For this purpose use preparations according to the list of pesticides and the agrochemicals resolved for application in Ukraine, approved Ukrgoskomissiyey of Cabinet council of Ukraine. For farms: Karate – 050 EU k.e. – 0,2-0,4 l/hectares, Zolon 35 k.e. – 350 g \l. A consumption of working solution – 2-10 l on 1 tree depending on the size of krone. For a private sector: Karate – 050 EU k.e. – 0,2-0,4 l/hectares.
The preparations resolved for application in a park zone: Pirineks – 40,8 % k.e. 3,0-3,5 l \hectares, Lipidotsid concentrated, Titr dispute – 100 billion \hectares 2-3 kg \hectares.
V. AFONIN,
the main state inspector on quarantine of plants
on AR Crimea.