INVESTIGATION OF AGRONOMIC TRAITS FOR SAFFLOWER GENOTYPES IN TWO MOISTURE REGIMES IN ISFAHAN

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ABOU ALHASANI KH.; SAEIDI GH.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:13 | Issue:4 Page(s): 43-54

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Title

INVESTIGATION OF AGRONOMIC TRAITS FOR SAFFLOWER GENOTYPES IN TWO MOISTURE REGIMES IN ISFAHAN

Author(s)

ABOU ALHASANI KH. | SAEIDI GH. | Issue Writer Certificate

Keywords

GENOTYPEQ3

MOISTURE REGIMEQ3

INTERACTIONQ3

SAFFLOWERQ3

Abstract

This study was carried out to evaluate agronomic traits of selected SAFFLOWER GENOTYPE in two MOISTURE REGIMEs at the research farm of Isfahan University of Technology. Different GENOTYPEs including selected lines from local populations of SAFFLOWER along with two exotic cultivars were evaluated in two adjacent experiments using a randomized complete block design with three replications. In one of the experiments, the irrigation was conducted based upon the depletion of 50% and in the other one based upon the depletion of 85% of soil moisture content. The results showed that there were significant differences among the GENOTYPEs for all of the traits including number of days to initiate of flowering, 50% flowering, and maturity and also for plant height, number of heads per plant, number of seeds per head, 100- seed weight, seed yield per plant and seed yield per plot in both irrigation regimes (P<0.01). The stress conditions due to irrigation based on the depletion of 85% of soil moisture content had significant effect on all the traits and it caused a reduction of 29.4%, 20.6% and 3% in seed yield per plant, seed yield per plot and days to maturity, respectively. Based on the average of GENOTYPEs, seed yield per plant was 30.71 and 21.69 g, seed yield per plot was 3452 and 2742 kg/ha and days to maturity was 123.7 and 120 days in the first and second irrigation regime, respectively. The INTERACTION between GENOTYPEs and irrigation regimes was significant for all traits, expect for the number of days to flowering, 50% flowering, number of seeds per head and seed yield per plant. The significant INTERACTION effects indicated that the amounts of stress effect on GENOTYPEs were different. Average seed yield for the GENOTYPEs ranged between 2004 to 4174 kg/ha and 1438 to 3458 kg/ha in the first and second irrigation regime, respectively. The existing genetic variation for seed yield in both irrigation regimes indicates that selection for improvement of seed yield can be effective and it is possible to produce high yielding cultivars for growing in moisture stress conditions. The seed yield of dominant growing cultivar in Isfahan province (Koseh) was 3525 and 2394 kg/ha in the first and second irrigation regime, respectively; however, the GENOTYPEs of E2428, S3110 and A1 had high seed yield in both irrigation regimes, thus they can be grown in both environmental conditions.

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APA: Copy

ABOU ALHASANI, KH., & SAEIDI, GH.. (2006). INVESTIGATION OF AGRONOMIC TRAITS FOR SAFFLOWER GENOTYPES IN TWO MOISTURE REGIMES IN ISFAHAN. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 13(4), 43-54. SID. https://sid.ir/paper/9791/en

Vancouver: Copy

ABOU ALHASANI KH., SAEIDI GH.. INVESTIGATION OF AGRONOMIC TRAITS FOR SAFFLOWER GENOTYPES IN TWO MOISTURE REGIMES IN ISFAHAN. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;13(4):43-54. Available from: https://sid.ir/paper/9791/en

IEEE: Copy

KH. ABOU ALHASANI, and GH. SAEIDI, “INVESTIGATION OF AGRONOMIC TRAITS FOR SAFFLOWER GENOTYPES IN TWO MOISTURE REGIMES IN ISFAHAN,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 13, no. 4, pp. 43–54, 2006, [Online]. Available: https://sid.ir/paper/9791/en

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