Abstract
Chickpea seedlings (Cicer arietinum L.) were used to initiate callus on B5 medium supplemented with 2 mg/l 2,4-dichlorophenoxyacetic acid+0·5 mg/l NAA and kinetin. After a month's growth the healthy callus was transferred to a similar medium supplemented with different concentrations of the pesticide Rogor (O, O-dimethyl-S-methyl carbamoyl methyl phosphorodithioate). After one month in the pesticide medium most of the cells exposed to higher concentration died, but a few cells remained healthy. In a control medium the cells remained healthy over the same period. The pesticide treatment inhibited the protein content and the activity of the enzyme amylase, whereas an increase in the activity of peroxidase was observed. The surviving pockets of pesticide exposed cells were exercised and transferred to a medium that caused shoot initiation and later to a medium that caused root formation from the base of the shoot. Plants were taken through to maturity in soil. The resistant cell line contained high levels of proteins and peroxidases compared to control. Additional bands of peroxidase isozymes were observed in the resistant line.
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Rao, S., Naidu, M.M. A tissue culture derived pesticide tolerant line of chickpea (Cicer arietinum L.). Proc. Indian Acad. Sci. 99, 523–527 (1989). https://doi.org/10.1007/BF03053421
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DOI: https://doi.org/10.1007/BF03053421