Özet:

Myzus persicae (Hemiptera:Aphididae) is a harmful substance that causes significant economic losses in plant production. In land conditions, insecticides are known to have different effects on harmful biology as a result of the application of sublethal doses below the recommended field application doses. This study continued the culture in the climate room in the Myzus persicae population, with the recommended field application dose of tau-fluvalinate with the LC50 test. The LC20, LC30 and LC40 values determined as a result of the toxicity study have been used in life chart studies. Life scheme studies have been established in such a way that there will be 1 control and 3 sublethaldoses (LC20, LC30 and LC40) and 25 wheels in each group. In the treatment of the control group, pure water was used. The leaves left in the Petri are recorded with the check-in of the oviposition periods and the number of pets they left every day after the first period of nimfi becomes mature. The observations continued until all the leaves in the control group died. According to the study, for tau-fluvalinate'ninsublethal doses in Myzus persicae, pre-oviposition, oviposition, post-oviposition periods, the total number of babies per female, adult life, net reproductive power (R0), the population's doubling time (DT), reproductive power limit (λ), hereditary reproductive capacity (rm) and the average decay time (T) values did not differ statistically significantly.

Anahtar Kelimeler:

Özet:

Myzus persicae (Hemiptera: Aphididae) is a pest that causes economic losses in crop production. It is known that the application of sublethal doses below there commended field application doses of insecticides in the field conditions causes different effects in the biology of pests in some cases. For this purpose, LC50 experiment was carried out using there commended field application dose of tau-fluvalinate in the Myzus persicae population produced in the climateroom. LC20, LC30 and LC40 values determined as a result of toxicity study were used in life table studies. Life table studies were carried out as one control and three doses (LC20, LC30, and LC40), and 25 repeats in each group. Only pure water was used in the control group. After the first instar nymph which was placed in Petri has become adult, the oviposition period and the number of offspring was determined by daily counts. Observations continued until all adult individuals in the control group died. As a result of the study, the pre-oviposition, oviposition, post-oviposition periods, total number of offspring left per female, adult life span, net reproductive rate (R0), doubling time (DT), finite rate of increase (λ), and intrinsic rate of increase (rm) values were found statistically similar.