Study on Common Weeds of Paddy Crop in East Midnapore (Purbo Medinipur) District, West Bengal, India

Abstract

The present paper deals with the major weeds of paddy field in summer and rainy seasons of East Midnapore (Purbo Medinipur) district, West Bengal. The study was based on extensive and intensive fields surveys made during different months of summer & rainy seasons. In Purba Medinipur district 25 blocks are present. In every block the paddy is cultivated. But in Patashpur-I & II, Bhagwanpur-I & II, Ramnagar-I & II blocks the paddy is cultivated in three times in a year. The paddy is cultivated only in rainy season in rest of blocks. During the course the most part of all blocks in this district has been studied in summer and rainy seasons. Frequent field trips were made twice a month in each site for collection of weeds. Some weeds are also used as vegetables such as Marsilea sp.  Enhydra sp. Hygrophyllus sp.  Oxalis sp. Etc. 87 species of weeds have been identified and they belong to eight monocot families, twenty dicot families and four pteridophyta families.