Browsing Naturwissenschaften, Mathematik und Informatik by Advisor "Ulber, Bernd Dr."
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Effect of climate change on population dynamics and damage potential of insect pests on oilseed rape
(2015-05-21)Biotic stress such as pests can cause high yield losses in agricultural crop systems. It has been estimated that global warming will increase these rates. Thus, the impact of global warming on the distribution and abundance ... -
Factors regulating the population dynamics and damage potential of pollen beetle (Meligethes aeneus F.) on crops of oilseed rape
(2014-05-15)The pollen beetle Meligethes aeneus (Fabricius) (Col.: Nitidulidae) is one of the most important pests of oilseed brassicas in Europe. Due to extensive use of pyrethroids and the limited supply of registered insecticide ... -
Lethal and sublethal effects of insecticides on mortality, migration and host searching behaviour of tersilochine parasitoids on winter oilseed rape
(2011-06-30)Oilseed rape crops are attacked by various economically important insect pests that require frequent treatments of broad spectrum insecticides. The extensive usage of insecticides might ... -
New Aspects of Biological Control of Helicoverpa armigera in Organic Cotton Production
(2003-02-11)Cotton is one of the most important economic crops in Egypt. Egypt started organic cotton production in 1991 in order to meet the demands for organically grown cotton in countries of the ...