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Cd2+ + Cr6+ causes toxic effects on chromosomal development of microspore in Carthamus tinctorius

机译：CD2 + + Cr6 +对Carthamus Tinctorius中微孔的染色体发育引起毒性作用

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摘要

Intra-category hybrids of Carthamus tinctoriuswere analyzedfor the genetic toxicityin detail for effect of Cd2++Cr6+on reproductive biology of Carthamus tinctorius.Five partially tolerant and five non-tolerant accessions of Carthamus tinctoriusafter screening were crossed to produce intra-category hybrid. These two heavy metals in combination influenced antagonistically first as well as second meiotic divisions inducing various kinds of anomalies and reduced the number of pollen grains per anther and significantly increased pollen sterility. A differential response for the amount of meiotic irregularity was recorded between different treated sets of hybrids in (Cd+Cr) treated sets. This could be due to differential response of the genotypes for the same concentration of (Cd+Cr). These two heavy metals in combination reduced the number of pollen grains per anther and significantly increased pollen sterility.
机译：CD2 ++ CR6 +对CARTHAMUS TINTICURIUS的生殖生物学影响的遗传毒性细节分析了CARTHAMUS TINTICISWERE的类别杂种。越过部分耐受性和五种不耐药后筛选的五种不耐药释放，以产生类别杂交。这些两种重金属组合影响了拮抗剂，以及诱导各种异常的第二个减数分裂，减少每种花药的花粉粒数，显着增加花粉无菌。在（CD + Cr）处理的套装中的不同处理过的杂种杂交体之间记录了减少人的杂交种的差异响应。这可能是由于基因型的差异响应相同浓度的（CD + Cr）。这两种重金属组合减少了每种花粉粒的数量，显着增加了花粉无菌。

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