Akademik Veri Yönetim Sistemi
II. International Plant Protection Congress, Bursa, Türkiye, 15 Mayıs 2023, cilt.1, ss.112
Some pests have been controlled successfully by members of the
Phytoseiidae family. But, several pesticides used against other pests are
highly toxic to phytoseiids. Resistant strains in a few number of phytoseiids
occurred naturally or by artificial selection has been reported in previous
studies. The use of the manipulated predator strains has been known to be a practical
and cost effective tactic for the biological control. This review summarized genetic
studies related with resistance mechanisms in phytoseiid mites. Based on scarce
studies, the resistance developments in phytoseiids were found related with target
site mutations, increase detoxification enzyme activities and the insensitive AChE.
The resistance development in a naturally chlorpyriphos-resistance Kampimodromus aberrans strain was found associated
with G119S substitution in its AChE gene. Metabolic resistance depend on
enhancing P450 and GST enzymes in the fenpropathrin-resistant Neoseiulus barkeri strain was explained
with overexpression of two CYP4, three delta class and one Mu class genes of the
predator. Similarly, the expression level of CYP4-d in a methidathion resistant
strain of Amblyseius womersleyi was found
significantly higher than in its susceptible strains. While two point mutations
in the linker region between domains II and III of VGSC with a polymorphism
analysis were also reported in the fenpropathrin-resistant Neoseiulus barkeri strain, a mutation in different two linker
regions of a deltamethrin-resistance Phytoseiulus
persimilis strain was pointed out. A target-site gene mutation in AChE of
primicarb-resistant Neoseiulus californicus
strain has been shown in recently. To understand the molecular genetics and
physiological basis of resistance development in phytoseiid mites, it is need
many critical researches identifying and cloning their useful resistance genes.