Threshold level of weed umbrella sedge (Cyperus iria) in upland rice (Oryza sativa) under rainfed direct-seeded condition

Indian Journal of Agricultural Science

Volumn 68, Issue 1, 1998, Pages 7-8

  Moorthy, B T S ^a,b   Das, T K ^a,b  

^a CENTRAL RICE RESEARCH INSTITUTE   (India)

^b INDIAN AGRICULTURAL RESEARCH INSTITUTE   (India)

Author keywords

Cyperus iria; Upland rice; Weed

Indexed keywords

CYPERUS IRIA; ORYZA SATIVA;

EID: 0031946999     PISSN: 00195022     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (5)

1. Biswas J C and Sattar S A. 1993. Threshhold level of weeds in wet-season transplanted rice (Oryza sativa). Indian journal of Agricultural Sciences 63 (11) : 705-7.
2. Moorthy B T S and Manna G B. 1989. Evaluation of certain preemergence herbicides for their efficacy in weed control in upland rice. Science and Culture 55 (50) : 176-78.
3. Moorthy B T S and Mittra B N. 1991. Influence of seeding densities and weed management practices on the performance of upland rice. Thai Journal of Agricultural Science 24 :19.
4. Sankaran S and De Datta S K. 1985. Weeds and weed anagement in upland rice. Advances in Agronomy 38 : 283-336.
5. Saxena A, Vaishya R D and Upadhyay UC. 1990. Weed management in upland rice. (in) Extended Summary, Proceedings of International Symposium on Rice Research: New Frontiers, held during 15-18 November 1990 at Directorate of Rice Research, Hyderabad, 315 pp.