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Journal of Crop Protection، جلد ۱۴، شماره ۱، صفحات ۲۹-۴۳
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عنوان انگلیسی Orobanche crenata control in three faba bean varieties by soaking seeds in acetylsalicylate solutions
چکیده انگلیسی مقاله The prevalence of Orobanche crenata on faba bean fields in the Mediterranean region is a serious problem. The chemical inducers, including salicylic acid and its analogues were reported to activate the systemic acquired resistance in plants to subsequent pathogen attacks. The effect of different concentrations of acetylsalicylate (AcSA) as presoaking treatments on O. crenata infected faba bean plants of three varieties was studied in a pot experiment under control conditions. At an early stage, before Orobanche establishment, soaking seeds in AcSA solutions at 0.4, 0.8, 1.2 and 1.6 mM varied in their effects on faba bean growth depending on their concentrations and tested varieties. Lower concentrations tended to reduce plant height and fresh and dry weight, but these growth parameters showed remarkable increases in concentration of 1.2 mM. At the budding stage, O. crenata infection significantly reduced plant biomass and pods yield for all tested varieties. Application of AcSA at o.8-1.6 mM showed a significant increase in fresh and dry biomass and pod yield of faba bean plants. AcSA at less than 1 mM resulted in a great enhancement effect on attached Orobanche by increasing the number and weights of attached tubercles and spikes. The highest AcSA concentration (1.6 mM) completely inhibited the growth and development Orobanche grown on all tested varieties and produced increases in host biomass and pod yield. Moreover, this treatment produced leaves with the highest levels of chlorophylls, phenolics, and antioxidant activity compared to other treatments. Further studies using relatively high rates of AcSA in field trials are necessary to validate their practical use.
کلیدواژه‌های انگلیسی مقاله Orobanche,Vicia faba,holoparasite,acetylsalicylate,Growth,yield
نویسندگان مقاله Ragab El-Mergawi |
Botany Department, National Research Centre, Giza, Egypt.

Mahmoud El-Dabaa |
Botany Department, National Research Centre, Giza, Egypt.

نشانی اینترنتی https://jcp.modares.ac.ir/article_1685_4399b7a29b360ad766c2162d96191b0c.pdf
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