Applied Entomology and Phytopathology

Evaluation of resistance of wild oats (Avena ludoviciana L.) to Clodinafop-propargyl and evaluation of relative fitness of susceptible and resistant wild oat biotypes in wheat fields located in Eslamabad-Gharb, Kermanshah

Faezeh Fakhri; Alireza Bagheri; Vahid Sarabi; Iraj Nosratti

Articles in Press, Accepted Manuscript, Available Online from 23 January 2024

https://doi.org/10.22092/jaep.2024.359238.1445

Abstract

In order to evaluate the resistance of wild oat (Avena ludoviciana) biotypes to Clodinafop-propargyl, as well as the fitness of susceptible and resistant biotypes, this experiment was ... Read More

Study on diclofop-methyl resistance in wild oat (Avena ludoviciana): A comparison between the whole plant and the seed bioassays (Article in English)

F. BANAKASHANI; E. ZAND; H. M. ALIZADEH; A. R. ATRI

Volume 78, No. 1 , September 2010, , Pages 1-14

Abstract

In order to investigate the resistance of wild oat populations to diclofop-methyl a greenhouse and laboratory experiments were carried out during 2006. The collected wild oatbiotypes ... Read More

Investigation of herbicide resistance in pigweed (Amaranthus sp.) to chloridazon desmedipham and mixture of these herbicides in some sugar beet fields of Iran

Mahbobeh Partovi; Eskandar Zand; Hasan MOHAMMAD ALIZADEH; Alireza Atri

Volume 75, No. 2 , March 2008, , Pages 73-88

Abstract

In order to study the possibility of resistance in Amaranthus retroflexus L.and Amaranthus blitoides S.Watsbiotypes to Chloridazon, Desmedipham and mixture of these two herbicides in ... Read More In order to study the possibility of resistance in Amaranthus retroflexus L.and Amaranthus blitoides S.Watsbiotypes to Chloridazon, Desmedipham and mixture of these two herbicides in sugar beet fields of West Azarbayejan, Isfahan, Fars, Khorasan and Khoozestan provinces, two experiments were conducted at greenhouse of Weed Research Department of Iranian Research Institute of Plant Protection during 2003 and 2004. The experimental design was completely randomized design using a factorial approach (27 biotypes of pigweed by 3 herbicides in greenhouse experiments and 6 biotypes of pigweed by one herbicide in bioassay trial) with 4 replications. The seeds that were suspected to be resistant at the recommended rates of herbicides were collected from the fields of these provinces and the susceptible seeds that had never been treated with herbicides were used in these experiments. In the greenhouse experiment for screening the suspected and susceptible biotypes, the percent dry weight and visual control were compared with untreated control biotypes. Any biotype was considered to be possibly resistant if the mean dry weight of the survivors was at least 50% of the untreated control plants. Six biotypes with inadequate control from greenhouse trial were selected and treated with six doses (0, 0.5, 1, 1.5, 2, 2.5, 3 g/l) of Chloridazon in bioassay test using petri-dish. For assessment of biotypes the root length were measured. The greenhouse experiments indicated that none of the biotypes were resistant to these herbicides, but the biotypes showed different responses to the herbicides and the biotypes such as FR(Am)1 and MR(Am.bl)5 were not completely controlled by Chloridazon. The biotypes such as ER(Am)2 and MR(Am.re)1 were less controlled by Desmedipham and also biotypes such as ER(Am)1, ER(Am)3 and MR(Am.bl)6 were inadequately controlled by mixture of two herbicides. Although the biotypes did not show resistance to the herbicides, the repeated use of PS II herbicides can lead to the emergence of resistant weed population. Results in bioassay test showed that with increasing dose of Chloridazon, the percent root length of all biotypes was decreased and herbicide resistance did not observe.

Resistance of wild oat (Avena ludoviciana) biotypes to clodinafop-propargil herbicide

F. BANAKASHANI; E. Zand; H. MOHAMMADALIZADEH

Volume 74, No. 2 , March 2007, , Pages 127-149

Abstract

In order to evaluate the resistance of wild oat (Avena ludovicianaDurieu.) to clodinafop-propargil of aryloxyphenoxypropionate herbicides, green house studies and seed bioassay experiments ... Read More

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Keywords = herbicide resistance

Evaluation of resistance of wild oats (Avena ludoviciana L.) to Clodinafop-propargyl and evaluation of relative fitness of susceptible and resistant wild oat biotypes in wheat fields located in Eslamabad-Gharb, Kermanshah

Abstract

Study on diclofop-methyl resistance in wild oat (Avena ludoviciana): A comparison between the whole plant and the seed bioassays (Article in English)

Abstract

Investigation of herbicide resistance in pigweed (Amaranthus sp.) to chloridazon desmedipham and mixture of these herbicides in some sugar beet fields of Iran

Abstract

Resistance of wild oat (Avena ludoviciana) biotypes to clodinafop-propargil herbicide

Abstract