GROWTH & YIELD RESPONSE OF DIRECT-SEEDED RICE (ORYZA SATIVA L.) CULTIVARS UNDER DIFFERENT SOWING METHODS AND WEED MANAGEMENT METHODS
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 8
Abstract
Field experiments were conducted during kharif season of 2009 and 2010 at SASRD, NU, Medziphema Campus, Nagaland, to study the response of direct-seeded rice (Oryza sativa L.) cultivars towards different sowing and weed management methods. The dominant weed species were Digitaria setigera Roth ex Roem. & Schult, Cynadon dactylon (L.) Pers., Cyperus rotundus L., Borreria articularis (L. f.) F. N. Will. and Ipomoea triloba L. Line sowing was found superior over broadcasting in reducing weed growth and exhibited better crop growth attributes and yield attributes and also recorded higher grain yield (2.85 t/ha during 2009 & 3.00 t/ha during 2010). The cultivar ‘Kezie’ was found to effectively suppress weed growth and recorded significantly higher tillers/m2, panicles/m2 and filled grains/panicle and grain yield (2.50 t/ha during 2009 & 2.61 t/ha during 2010) over ‘Leikhumo’. Weed management treatment hand weeding at 20 and 40 DAS (Days after sowing) effectively minimized weed population and dry weight and recorded the highest the weed control efficiency (92.57% during 2009 & 94.64% during 2010) as well as grain yield (3.42 t/ha during 2009 & 3.57 t/ha during 2010). The highest gross return/ha and net return/ha (Rs.22265/ha during 2009 & Rs.24360/ha during 2010) and also the highest BCR (benefit cost ratio) (2.26 during 2009 & 2.38 during 2010) was recorded by the cultivar ‘Kezie’ in combination with line sowing and hand weeding at 20 & 40 DAS.
Authors and Affiliations
N. KIKON
Keywords
Related Articles
- EP ID EP170454
- DOI -
- Views 91
- Downloads 0
EFFICIENCY OF SELECTED INSECTICIDES AGAINST GREEN PEACH APHID, Myzus persicae L. AND VIRUS INCIDENCE ON POTATO
Studies were conducted in two locations of Chikkamagaluru district on the efficiency of some insecticides against Myzus persicae L. on potato crop at malnad (Hilly zone) belt of Karnataka during Rabi 2014-15. Results sho...
EFFECT OF DIFFERENT LEVELS OF SULPHUR ON GROWTH, YIELD AND QUALITY OF SOME RADISH VARIETIES
The present experiment was carried out at the Horticulture Research Farm of the Department of Applied Plant Science (Horticulture), Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India during the year 201...
STUDIES ON GENETIC PARAMETERS, CHARACTER ASSOCIATION AND PATH ANALYSIS OF YIELD AND ITS COMPONENTS IN BARNYARD MILLET (ECHINOCHLOA FRUMENTACEA)
An investigation was carried out to assess the genetic parameters like variability, heritability and genetic advance, character association and path analysis for five yield component characters viz., plant height, number...
PHOSPHORUS RELEASE PATTERN OF ROCK PHOSPHATE APPLIED AS P- FERTILIZER INCUBATED WITH AMENDMENTS IN VERTISOLS OF CENTRAL INDIA
A pot experiment was conducted to determine the phosphorus release pattern of Jhabua Rock phosphate (JRP) in Vertisols, when it was applied with eighteen fertilizer treatments under three soil moisture regimes viz. 50% o...
DEVELOPMENT OF COMPOSITE FLOUR BREAD AND ITS EFFECT ON PHYSICAL, SENSORY AND NUTRITIONAL CHARACTERISTICS
The composite flour bread would be a healthy alternative for wheat flour bread. This study was conducted with a view of producing fortified wheat flour bread to increase the nutritive value of wheat flour bread. The soya...