ABSTRACT
Natural biodiversity of plants faces different abiotic problems, most noticeable are drought, salinity, and metals toxicity. Physiological and biological functions of various plant biodiversity are harshly affected by different metal (Ni, Cd, Pb) stress. Different areas of Punjab are metal-polluted due to various activities, like unsatisfactory irrigation system, industrial pollution, etc. It is hypothesized that plants grown in such habitats are able to tolerate metal contamination. Ecologically different areas of Punjab that are metal and salt polluted are under study and different 2ecotypes of Typhadomingensis Pers. have been collected from such areas. The ecotypes from these metals polluted and saline areas were exposed to metal (nickel) stress to assess their degree of tolerance and adaptive response under measured environmental conditions. Four levels of nickel were maintained (0, 50, 100, and 150 mg kg−1) in the growth medium. Different data were recorded for morpho-anatomical, physiological, and biochemical characteristics. The treatments were placed in a completely randomized design (CRD) with six replications.
