The effects of boric acid and citric acid on chiasma frequency and meiotic division in Chorthippus loratus (Acrididae:Orthoptera) males
Abstract
In this study, the cytogenetic effects of boric acid and citric acid in meiosis were investigated. Chorthippus loratus species of grasshoppers were treated with boric acid and citric acid sprayed grass at doses of 250, 500 and 1000 µg/ml for 24 hours. As a result of the investigations, it was observed that boric acid decreases chiasma frequency in doses of 500 and 1000 µg/ml. Differences between 250-500 and 250-1000 µg/ml doses were statistically significant. In the citric acid treated group, it was found that the frequency of chiasma decreased at doses of 500 and 1000 µg/ml. The differences were also significant between 250-500, 250-1000 and 500-1000 µg/ml doses. In our study, the effects of boric acid and citric acid on chiasma frequency as well as damages like the stickiness of chromosomes, breakage, fragment and anaphase bridge were observed.
Keywords
Meiotic division,Chiasma frequency,Chromosome damage,Orthoptera,Chorthippus loratus
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