Chlorophyll, a green color pigment, serves as an indicator of photosynthetic activity, growth, development, production as well as biochemical aspects of plant species thus providing valuable information about the physiological status of plants. Chlorophyll has the tendency to decline more rapidly when plants are under stress or during leaf senescence. It is in this backdrop that the present study was conducted with an aim to determine the effect of seasons on the chlorophyll content of plant species including Lotus corniculatus, Malva neglecta, Plantago lanceolata, Plantago major and Poa annua. The results revealed that all the plant species depicted higher amount of chlorophyll a, chlorophyll b and total chlorophyll in summer season with highest values observed for Malva neglecta and lowest values for Poa annua except chlorophyll b which showed minimum value in Lotus corniculatus.
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