PHYTO-SOCIOLOGICAL STUDIES OF RAINY SEASON WASTELAND WEEDS WITH SPECIAL REFERENCE TO PARTHENILIM HYSTEROPHORLIS L. IN RAIPUR DISTRICT (INDIA)P. OUDHIA
Due to lack of information, a phyto-sociological survey was conducted in wastelands of Raipur district during kharif 1996 to 1998. The survey revealed that about 27 weed species were found associated with Parthenium hysterophorus during rainy season. Among all weeds, Parthenium hysterophorus and Cassia fora had high degree of sociability and formed into large colonies under arable soil habitats. The data on distribution pattern revealed that Parthenium hysterophorus, Cassia tora and Achyranthes aspera recorded higher Importance Value and were found dominant. The high relative dominance of Parthenium was attributed to its high frequency, aggressiveness and allelopathic effects on neighbouring plants. The study suggested that there is a strong need to start an Integrated Parthenium Management Programme in district.
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