STUDY OF THE RELATIONSHIPS BETWEEN DIFFERENT PHENOLOGICAL STAGES AND SEED AND OIL YIELD IN SIX SAFFLOWER (CARTHAMUS TINCTORIUS L.) GENOTYPES

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MOKHTASSI BIDGOLI A.; AKBARI GH.AL.; PAZOKI A.R.; MIRHADI M.J.; SOUFIZADEH S.; HOSSEINI S.H.

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Journal: Year:2008 | Volume:13 | Issue:3 (SUPPLEMENT) Page(s): 769-779

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Title

STUDY OF THE RELATIONSHIPS BETWEEN DIFFERENT PHENOLOGICAL STAGES AND SEED AND OIL YIELD IN SIX SAFFLOWER (CARTHAMUS TINCTORIUS L.) GENOTYPES

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Keywords

CORRELATION COEFFICIENTQ2

DEVELOPMENT INDEXQ2

PHENOLOGICAL TRAITSQ3

SAFFLOWERQ2

SEED AND OIL YIELDQ2

STEPWISE MULTIPLE REGRESSIONQ3

Abstract

Little is known about the relationships between developmental and quantitative characters in SAFFLOWER, although such information can aid in selecting the modem criteria for plant breeding and is an essential step in development of new SAFFLOWER genotypes with high yield.Therefore, in order to investigate the mentioned relationships, this study was conducted during 2003-2004 growing season at Abooreihan Campus, University of Tehran, Pakdasht. Six winter SAFFLOWER genotypes were arranged in a randomized complete block design with four replications. Zarghan- 279 had maximal SEED AND OIL YIELDs (3897.20 and 1143.62kg ha-1, respectively). The most significant difference among the genotypes was observed for number of days to the beginning of flowering.Throughout development stages only number of days to the beginning of branching was significantly correlated with the SEED AND OIL YIELD.Number of days from sowing to physiological maturity, on average, was about 240 days and was about 27 days after 50% flowering. Maximum and minimum flowering duration were 20.67 and 10.50 days, respectively and seed yield was significantly and positively correlated with it.Stepwise multiple regression analysis showed that 64% and 62% of the total variation in SEED AND OIL YIELDs, respectively could be explained by variation in number of days to the beginning of branching and number of days to 50% flowering. Maximum leaf area index and above-ground dry weight were observed in development indices of 0.7 (coincident with beginning of flowering) and 0.9 (after full flowering), respectively.Results suggest that number of days to the beginning of branching, number of days to 50% flowering and flowering duration were the main traits determined in this study which affect seed yield in SAFFLOWER.

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APA: Copy

MOKHTASSI BIDGOLI, A., AKBARI, GH.AL., PAZOKI, A.R., MIRHADI, M.J., SOUFIZADEH, S., & HOSSEINI, S.H.. (2008). STUDY OF THE RELATIONSHIPS BETWEEN DIFFERENT PHENOLOGICAL STAGES AND SEED AND OIL YIELD IN SIX SAFFLOWER (CARTHAMUS TINCTORIUS L.) GENOTYPES. JOURNAL OF AGRICULTURAL SCIENCES, 13(3 (SUPPLEMENT)), 769-779. SID. https://sid.ir/paper/7892/en

Vancouver: Copy

MOKHTASSI BIDGOLI A., AKBARI GH.AL., PAZOKI A.R., MIRHADI M.J., SOUFIZADEH S., HOSSEINI S.H.. STUDY OF THE RELATIONSHIPS BETWEEN DIFFERENT PHENOLOGICAL STAGES AND SEED AND OIL YIELD IN SIX SAFFLOWER (CARTHAMUS TINCTORIUS L.) GENOTYPES. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2008;13(3 (SUPPLEMENT)):769-779. Available from: https://sid.ir/paper/7892/en

IEEE: Copy

A. MOKHTASSI BIDGOLI, GH.AL. AKBARI, A.R. PAZOKI, M.J. MIRHADI, S. SOUFIZADEH, and S.H. HOSSEINI, “STUDY OF THE RELATIONSHIPS BETWEEN DIFFERENT PHENOLOGICAL STAGES AND SEED AND OIL YIELD IN SIX SAFFLOWER (CARTHAMUS TINCTORIUS L.) GENOTYPES,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 13, no. 3 (SUPPLEMENT), pp. 769–779, 2008, [Online]. Available: https://sid.ir/paper/7892/en

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