Changes in Meligethesaeneus (Coleoptera: Nitidulidae) susceptibility to lambda-cyhalothrin in the Czech Republic between 2009 and 2011

To chci

Susceptibility of Meligethes sp. (mainly M. aeneus) from the Czech Republic was tested with lambda-cyhalothrin (111 samples in 2009, 125 in 2010, and 102 in 2011) through the use of IRAC method No. 011, Vers. 3. Resistant samples were the most frequent in all three years and their proportions increased from 33% to 62% between 2009 and 2011. The last samples classified as highly susceptible were recorded in 2010. The mean percentage mortalities for a common European field rate of 7.5 g a.i/ha were 82.2% in 2009, 78.92% in 2010, and 67.45% in 2011 (according to Abbott’s formula). The values of LC50 ranged from 0.084 to 47.27 g a.i./ha in 2009, from 0.051 to 46.78 g a.i./ha in 2010, and from 0.238 to 19.92 g a.i./ha in 2011. Only in 17.65% of samples there were LC90 values below the European field rate in 2011. … celý popis

Podrobná bibliografie

Další autoři

Marek Seidenglanz , Jana Poslušná, 1983- , Jiří Rotrekl , Pavel Kolařík , Eva Hrudová, 1970- , Pavel Tóth, Jiří Havel, Tomáš Spitzer, 1962- , Milena Bernardová

Typ dokumentu

Články

Fyzický popis

18 il.

Publikováno v

Plant Protection Science. -- ISSN 1212-2580. -- Roč. 51, č. 1 (2015), s. 13-32

Témata

CZECH REPUBLIC

TESTING

Pest monitoring

PEST INSECTS

COLEOPTERA

SPATIAL DISTRIBUTION

POPULATION DYNAMICS

FIELD EXPERIMENTATION

BRASSICA NAPUS

WINTER CROPS

BIOASSAYS

LABORATORY EXPERIMENTATION

MELIGETHES AENEUS

INSECTICIDES

CYHALOTHRIN

APPLICATION RATES

Insecticidal properties

RESISTANCE TO CHEMICALS

MORTALITY

Pesticide toxicity

CONTACT TOXICITY

SEASONAL VARIATION

Česká republika

testování

monitorování škůdců

škodlivý hmyz

Coleoptera

prostorové rozšíření

populační dynamika

polní pokusy

Brassica napus

ozimé plodiny

biologické testy

laboratorní pokusy

Meligethes aeneus

insekticidy

cyhalothrin

použité dávky

insekticidní vlastnosti

rezistence k chemikáliím

mortalita

toxicita pesticidů

kontaktní toxicita

sezónní změny

Popis jednotky

9 grafů, 3 mapy, 6 tabulek

Bibliografie

Seznam literatury na s. 30-32,