Investigation of dry matter partitioning amount among different organs in faba (Vicia faba L. )

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Baghban Aminm Aَ.; RAHEMI KARIZAKI A.; NAKHZARI MOGHADAM A.; BIABANI A.; Mansuri Rad A.

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Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2019 | Volume:11 | Issue:38 Page(s): 1-12

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Title

Investigation of dry matter partitioning amount among different organs in faba (Vicia faba L. )

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Keywords

CompetitionQ2

harvest indexQ2

phenologyQ2

poddingQ1

Abstract

There is low information regarding quantitative partition of biomass in faba (Vicia faba L. ). The purpose of this study was to obtain the values of the distribution coefficients of dry matter between different parts of faba plant under different sowing dates and densities conditions. This experiment was conducted in Gonbad Kavoos during 2012-2013 in rainfed conditions. Experimental design was a factorial arrangement of treatments based on randomized complete block design with four replications. The treatments were combinations of sowing dates (27 November 2012, 14 December 2012 and 7 January 2013) and four plant densities (8, 12, 16 and 20 plants m-2). Separately dry weight of different organs and phenological stages were measured between emergences to maturity. A linear relation was found for biomass partitioning between leaves and stems before podding stage (R3). Ratio of dry matter distribution among leaf and stem on 27November 2012, 14 December 2012 and 7 January 2013 were 62: 37, 60: 39 and 54: 40, respectively. Dry matter that was dedicated to stem more than leaf. On the other hand Competition between of plants had not significant effect on dry matter distribution. Dispersion between data was more after podding stage than before it, which is probably due to translocation of dry mater. Therefore, the using of fixed partitioning coefficients isn’ t effective after podding stage. It was concluded that using fixed partitioning coefficients between leaf (0. 39) and stem (0. 58) after first-seed (R3) are not as effective as they are before this stage and using partitioning coefficients after this stage by conception of linear increase in harvest index are ideal. It was concluded that the obtained coefficients could be used for faba bean growth simulation models.

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APA: Copy

Baghban Aminm, Aَ., RAHEMI KARIZAKI, A., NAKHZARI MOGHADAM, A., BIABANI, A., & Mansuri Rad, A.. (2019). Investigation of dry matter partitioning amount among different organs in faba (Vicia faba L. ). PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 11(38 ), 1-12. SID. https://sid.ir/paper/188467/en

Vancouver: Copy

Baghban Aminm Aَ., RAHEMI KARIZAKI A., NAKHZARI MOGHADAM A., BIABANI A., Mansuri Rad A.. Investigation of dry matter partitioning amount among different organs in faba (Vicia faba L. ). PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2019;11(38 ):1-12. Available from: https://sid.ir/paper/188467/en

IEEE: Copy

Aَ. Baghban Aminm, A. RAHEMI KARIZAKI, A. NAKHZARI MOGHADAM, A. BIABANI, and A. Mansuri Rad, “Investigation of dry matter partitioning amount among different organs in faba (Vicia faba L. ),” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 11, no. 38 , pp. 1–12, 2019, [Online]. Available: https://sid.ir/paper/188467/en

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