INVESTIGATION THE RELATIONSHIP BETWEAN HERBICIDE RESISTANCE IN WILD OAT BIOTYPES (AVENA LUDOVICIANA L.) AND THEIR FREEZING TOLERANCE

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IZADI DARBANDI E.; NEZAMI A.; ABBASIAN A.; HEYDARI M.

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Journal: Applied Agricultural Research Year:2015 | Volume:27 | Issue:105 Page(s): 127-133

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Title

INVESTIGATION THE RELATIONSHIP BETWEAN HERBICIDE RESISTANCE IN WILD OAT BIOTYPES (AVENA LUDOVICIANA L.) AND THEIR FREEZING TOLERANCE

Author(s)

IZADI DARBANDI E. | NEZAMI A. | ABBASIAN A. | HEYDARI M. | Issue Writer Certificate

Keywords

LT50SUQ2

RDMT50Q2

RECOVERYQ2

SURVIVALQ2

Abstract

In order to the fitness of five resistant and two susceptible wild oat biotypes to Acetyl coenzyme A carboxylase herbicide to freezing stress, an experiment was performed in factorial arrangement, based on completely randomized design with three replications at Ferdowsi University of Mashhad, Faculty of Agriculture in 2009. In this experiment wild oat biotypes exposed to seven freezing temperatures (-3, -6, - 9, -12, -15, -18 and -21oC). Potted plants were grown in natural conditions and maintaned for acclimation, until 3-4 leaf stage and then, the plants were frozen according to the freezing temperature (FT) regimes, plant SURVIVAL percentage, determined by counting survived plant, lethal temperature for 50 percent of the plants (LT50su) was determined based on of SURVIVAL percentage and reduce dry matter temperature 50 percent (RDMT50) after the end of RECOVERY (three weeks after the freezing). The results showed that the effects of frost temperatures were significant (P£0.01) on wild oat biotypes SURVIVAL percentage and LT50su and wild oat biotypes were significantly (P£0.01) different on SURVIVAL percentage and LT50su parameters. Reducing the temperature less than – 12oC killed all of wild oat biotypes. Among wild oat genotypes, Mashhad sensitive herbicide and Khuzestan sensitive herbicide showed the highest and the lowest tolerance to freezing temperatures respectively based on LT50su and (RDMT50). The experiment showed that herbicide resistance in weeds can lead to change their biological characteristics such as freezing tolerance. Based on the results of LT50su parameter, wild oat resistant biotypes to freezing tolerance more than wild oat sensitive herbicide biotypes.

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APA: Copy

IZADI DARBANDI, E., NEZAMI, A., ABBASIAN, A., & HEYDARI, M.. (2015). INVESTIGATION THE RELATIONSHIP BETWEAN HERBICIDE RESISTANCE IN WILD OAT BIOTYPES (AVENA LUDOVICIANA L.) AND THEIR FREEZING TOLERANCE. APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI), 27(105), 127-133. SID. https://sid.ir/paper/214872/en

Vancouver: Copy

IZADI DARBANDI E., NEZAMI A., ABBASIAN A., HEYDARI M.. INVESTIGATION THE RELATIONSHIP BETWEAN HERBICIDE RESISTANCE IN WILD OAT BIOTYPES (AVENA LUDOVICIANA L.) AND THEIR FREEZING TOLERANCE. APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI)[Internet]. 2015;27(105):127-133. Available from: https://sid.ir/paper/214872/en

IEEE: Copy

E. IZADI DARBANDI, A. NEZAMI, A. ABBASIAN, and M. HEYDARI, “INVESTIGATION THE RELATIONSHIP BETWEAN HERBICIDE RESISTANCE IN WILD OAT BIOTYPES (AVENA LUDOVICIANA L.) AND THEIR FREEZING TOLERANCE,” APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI), vol. 27, no. 105, pp. 127–133, 2015, [Online]. Available: https://sid.ir/paper/214872/en

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