Abstract
SUMMARY1. The present investigation deals with a study of the properties of Veratrine in affecting cell structures necessary both from fundamental and economic standpoint. C-mitotic property of Veratrine has been demonstrated. Its capability of bringing out the details of chromosome structure, through a change in plasma viscosity and differential contraction of chromosome segments has further been brought out.2. The maximum, optimum and minimum concentration of Veratrine for affecting the chromosome structure ranges from 0.9% - 0.0001%, data being derived from some dicotyledonous and monocotyledonous plants. But dicots in general are more susceptible to this chemical at a lower concentration and thus reveal more fragments than monocots. After suitable treatment recovery experiments were performed in Knop's solution for Ihr. and 2hrs. recovery to study the fate of the cells affected.3. a) Specific concentration zone for polyploidising effect in Allium is l1/2 hr. treatment in 0.6% solution in cold, followe...
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