STUDY OF SOME MORPHOLOGICAL, QUALITATIVE TRAITS AND YIELD STABILITY OF RICE GENOTYPES (ORYZA SATIVA L.)

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RAHIM SOROUSH H.; RABIEI B.; NAHVI M.; GHODSI M.

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Journal: Year:2007 | Volume:20 | Issue:2 (75 IN AGRONOMY AND HORTICULTURE) Page(s): 25-32

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Title

STUDY OF SOME MORPHOLOGICAL, QUALITATIVE TRAITS AND YIELD STABILITY OF RICE GENOTYPES (ORYZA SATIVA L.)

Author(s)

RAHIM SOROUSH H. | RABIEI B. | NAHVI M. | GHODSI M. | Issue Writer Certificate

Keywords

RICEQ2

YIELD STABILITYQ2

MILLING QUALITYQ2

COOKING QUALITYQ3

APPEARANCE QUALITYQ3

Abstract

This experiment was carried out to determine the morphological and qualitative traits and YIELD STABILITY of 8 RICE genotypes in three locations of Guilan province (Rasht, Hashtpar and Rudsar) during 2000-2002. The experimental design was randomized complete block with 4 replications. The size of each plot was 3 m× 6m with hill spacing of 25 cm× 25 cm. In this study 17 traits were measured on 10 random plants from each plot based on standard evaluation system for RICE. Simple analysis of variance for yield showed significant differences among the genotypes. Combined analysis of variance showed significant differences among genotypes and locations. The interaction effects of genotype × location and genotype × year were not significant. However, the interactions effects of year × location and year×location× genotype were found significant. The stability of genotypes was evaluated using Lin and Binns method. Results showed genotypes no.830 and 831 were the most stable, respectively, because of having less variance within location and less coefficient of variance. These two genotypes produced the average yield of 5.1 and 5.3 t ha-1 respectively about 1.0 t ha-1 more than the yield of improved check variety (Khazar). Their grain COOKING QUALITY characteristics were good with intermediate amylose content, gelatinization temperature and gel consistency. Their milling recovery rates were 68-69% with 57-62% head RICE. Their appearance qualities also were suitable with long grain and slender grain shape. They are semi dwarf (115-116cm), lodging resistant and medium in maturity which were one week earlier than Khazar. Consequently, due to higher mean yield compare to Khazar and the desired morphological and grain quality traits, these two lines were selected to release as new RICE varieties.

Cites

EVALUATION OF GRAIN YIELD STABILITY OF PURE LINES OF RICE IN GUILAN PROVINCE

References

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APA: Copy

RAHIM SOROUSH, H., RABIEI, B., NAHVI, M., & GHODSI, M.. (2007). STUDY OF SOME MORPHOLOGICAL, QUALITATIVE TRAITS AND YIELD STABILITY OF RICE GENOTYPES (ORYZA SATIVA L.). PAJOUHESH-VA-SAZANDEGI, 20(2 (75 IN AGRONOMY AND HORTICULTURE)), 25-32. SID. https://sid.ir/paper/19335/en

Vancouver: Copy

RAHIM SOROUSH H., RABIEI B., NAHVI M., GHODSI M.. STUDY OF SOME MORPHOLOGICAL, QUALITATIVE TRAITS AND YIELD STABILITY OF RICE GENOTYPES (ORYZA SATIVA L.). PAJOUHESH-VA-SAZANDEGI[Internet]. 2007;20(2 (75 IN AGRONOMY AND HORTICULTURE)):25-32. Available from: https://sid.ir/paper/19335/en

IEEE: Copy

H. RAHIM SOROUSH, B. RABIEI, M. NAHVI, and M. GHODSI, “STUDY OF SOME MORPHOLOGICAL, QUALITATIVE TRAITS AND YIELD STABILITY OF RICE GENOTYPES (ORYZA SATIVA L.),” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 2 (75 IN AGRONOMY AND HORTICULTURE), pp. 25–32, 2007, [Online]. Available: https://sid.ir/paper/19335/en

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