Mutagens induced chromosomal damage in Lablab purpureus (L.) Sweet var. typicus

Monica S.; Seetharaman N.

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Mutagens induced chromosomal damage in Lablab purpureus (L.) Sweet var. typicus

机译：诱变剂引起的Lablab purpureus（L.）Sweet var。符号

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Cytological analysis with respect to meiotic behaviour is considered to be the one of the most dependable indices to estimate the potency of mutagens and to elucidate the response of various genotypes to a particular mutagen. Seeds of Lablab purpureus (L.) Sweet var. typicus cv. CO(Gb)14 were subjected to different doses/concentrations of gamma rays and EMS. The effects of different mutagenic treatments on meiosis were studied on treated and control plants. Various types of meiotic aberrations such as stickiness, clumping of chromosomes, laggards, ring chromosomes and precocious movements were observed in the mutagenic treatments. As increase in the concentration, the frequency of cells showing chromosomal aberrations shows a linear increase up to a certain level. However, the EMS treatments proved to be more effective in inducing meiotic aberrations as compared to gamma rays.

机译：关于减数分裂行为的细胞学分析被认为是最可靠的指标之一，可用来评估诱变剂的效力并阐明各种基因型对特定诱变剂的反应。紫苏的种子。 typicus简历CO（Gb）14受到不同剂量/浓度的伽马射线和EMS的影响。在处理和对照植物上研究了不同诱变处理对减数分裂的影响。在诱变处理中观察到各种类型的减数分裂像差，例如粘性，染色体团块，后代，环状染色体和早熟运动。随着浓度的增加，显示染色体畸变的细胞的频率呈线性增加直至一定水平。然而，与γ射线相比，EMS治疗被证明在诱导减数分裂像差方面更有效。

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《Cytology and genetics》 |2017年第3期|230-237|共8页
作者
Monica S.; Seetharaman N.;
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Annamalai Univ, Dept Bot, Annamalai nagar, Tiruchchirappalli 608002, Tamil Nadu, India|Annamalai Univ, Dept Bot, Annamalainagar 608002, Tamil Nadu, India;

Annamalai Univ, Dept Bot, Annamalai nagar, Tiruchchirappalli 608002, Tamil Nadu, India|Annamalai Univ, Dept Bot, Annamalainagar 608002, Tamil Nadu, India;

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Mutagens induced chromosomal damage in Lablab purpureus (L.) Sweet var. typicus

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