Krishna, Bhambri MC, Agrawal S and Samadhiya VK
An experiment was conducted under Chhattisgarh agro-climatic conditions at the instructional cum research farm, Department of Agronomy, College of Agriculture, Indira Gandhi Agricultural University, Raipur (Chhattisgarh) entitled “Economic studies of quality rice (Oryza sativa L.) on different varieties under organic production system in Chhattisgarh.” The highest number of effective tillers hill-1 was recorded in the variety Zinco rice MS (10.7) which was significant superior over rest of the tested varieties. The lowest number of effective tiller hill-1 Lohandi (7.2) in over rest of the varieties. The highest length of panicle (32.9 cm) in Tulsi Manjiri while lowest length of panicle (21.1 cm) with Indira Sugandhit Dhan 1. The overall result also indicate that traditional rice varieties were produced the higher number of sound grains panicle-1 like Samund Chini (153.0) and Aatma Sheetal (152.7) over high yielding scented and fortified rice varieties while the lowest sound grains panicle-1 was recorded with Zinco rice MS (71.7) in overall tested varieties. The highest sterility percent was reported in Zinco rice MS (22.8%) but the lowest (9.8%) in Lokti Machhi. The highest test weight was noticed in CG Madhuraj 55 (32.9g) followed by Protezin (31.6g). The maximum grain yield was recorded in CG Devbhog (37.0 q ha-1) and lowest grain yield (22.6 q ha-1) in Tulsi Manjiri. The highest straw yield was recorded in the variety of Tulsi Manjiri (71-72 q ha-1) which differ significantly in rest over the varieties and lowest straw yield in the variety Protezin (33.9 q ha-1). The maximum value of harvest index recorded in the cultivars Protezin (49.1%) and the lowest harvest index value was recorded in the variety Tulsi Manjiri (24.3 %). The highest B: C ratio recorded the variety CG Devbhog (1.6) while the lowest in the variety Lohandi and Aatma Sheetal (0.8).
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