EVALUATION OF AGRONOMIC TRAITS AND DETERMINATION OF VARIABLES FOR IMPROVING YIELD OF RICE CULTIVARS

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RAHIMI M.; RABIEI B.; RAMEZANI M.; MOVAFEGH S.

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Journal: Iranian Journal of Field Crops Research Year:2010 | Volume:8 | Issue:1 Page(s): 111-119

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Information Journal Paper

Title

EVALUATION OF AGRONOMIC TRAITS AND DETERMINATION OF VARIABLES FOR IMPROVING YIELD OF RICE CULTIVARS

Author(s)

RAHIMI M. | RABIEI B. | RAMEZANI M. | MOVAFEGH S. | Issue Writer Certificate

Keywords

RICEQ2

CLUSTER ANALYSISQ2

FACTOR ANALYSISQ2

PATH ANALYSISQ2

YIELDQ2

Abstract

IN order to study correlation and relations between YIELD and other agronomic and quantitative traits in RICE, six RICE cultivars were crossed in half a diallel design in 2005. In the next year, parents and their progenies were grown in a randomized complete block design with three replications in field research station of Faculty of Agricultural Sciences of the University of Guilan, Rasht, Iran and 15 traits were measured. Principal component analysis detected five components that explained 74.57 percent of the total variation. Grain YIELD was significantly and positively correlated to width, angle and area of flag leaf, number of panicles/plant and growth period. Correlation between 1000-grain weight and grain YIELD was negative. Stepwise regression analysis indicated that plant height, number of sterile grains per panicle, growth period, panicle length, I000-grain weight and flag leaf area as effective traits to explain 76.5 percent of total grain YIELD variation. According to PATH ANALYSIS, growth period had the positively highest direct effects on grain YIELD; however, panicle length showed negatively highest direct effects. FACTOR ANALYSIS showed that 74.57 percent of total variations were determined by five independent factors. In CLUSTER ANALYSIS studied traits and genotypes were classified into four groups based on Ward’s method.

Cites

THE EVALUATION OF RELATIONSHIP BETWEEN QUANTITATIVE AND QUALITATIVE FEATURES WITH YIELD IN RICE PROMISING LINES USING FACTOR ANALYSIS

References

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APA: Copy

RAHIMI, M., RABIEI, B., RAMEZANI, M., & MOVAFEGH, S.. (2010). EVALUATION OF AGRONOMIC TRAITS AND DETERMINATION OF VARIABLES FOR IMPROVING YIELD OF RICE CULTIVARS. IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 8(1), 111-119. SID. https://sid.ir/paper/118863/en

Vancouver: Copy

RAHIMI M., RABIEI B., RAMEZANI M., MOVAFEGH S.. EVALUATION OF AGRONOMIC TRAITS AND DETERMINATION OF VARIABLES FOR IMPROVING YIELD OF RICE CULTIVARS. IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2010;8(1):111-119. Available from: https://sid.ir/paper/118863/en

IEEE: Copy

M. RAHIMI, B. RABIEI, M. RAMEZANI, and S. MOVAFEGH, “EVALUATION OF AGRONOMIC TRAITS AND DETERMINATION OF VARIABLES FOR IMPROVING YIELD OF RICE CULTIVARS,” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 8, no. 1, pp. 111–119, 2010, [Online]. Available: https://sid.ir/paper/118863/en

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