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Journal of Crop Protection، جلد ۱۳، شماره ۴، صفحات ۳۲۱-۳۳۲
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عنوان انگلیسی Induced resistance to Crinocerus sanctus (Hemiptera: Coreidae) in cowpea through silicon application
چکیده انگلیسی مقاله Silicon (Si) is a mineral known to enhance pest resistance in plants belonging to the Poaceae family. However, studies suggest potential benefits of Si in other botanical families such as Fabaceae. Thus, our hypothesis that Si applied in the form of 94.6% silicate would increase cowpea resistance to the stink bug Crinocerus sanctus (Fabricius), in addition to benefiting the physiological aspects of the plant. This study evaluated the vegetative development, total chlorophyll content, yield parameters, and resistance of two cowpea varieties against C. sanctus when sprayed with different doses of Si. Two different doses of Si were administered: the recommended manufacturer's dose (1 g L-1) and a doubled dose (2 g L-1), in addition to a control group (0 g L-1). Plants treated with Si exhibited lower insect density and fewer pods with signs of injury. The peak insect population was observed at the onset of the cowpea's reproductive stage. Furthermore, the chlorophyll content increased from 42 mg m-2 (in the control group) to 48 mg m-2 in Si-treated plants. While the plant height and yield parameters of cowpea remained unaffected by Si application, there was a reduction in the dry mass of the aerial parts in Si-treated crops. This study demonstrated that cowpea can accumulate Si, and its application can enhance resistance against C. sanctus.



 
کلیدواژه‌های انگلیسی مقاله Cowpea resistance, red stink bug, silicon application, Vigna unguiculata, yield parameters
نویسندگان مقاله | André Dos Santos Melo
Department of Agronomy-Entomology, Universidade Federal Rural de Pernambuco, Rua Dom Manuel de Medeiros, s/n-Dois Irmãos, Recife-PE, 52171-900, Brazil.


| Sandra Andréa Santos da Silva
Department of Agronomy-Universidade Federal do Pará, Rua Coronel José Porfírio, 2515, Anexo II, São Sebastião,-Altamira-PA, 68372040, Brazil.


| José Wilson Pereira da Silva
Department of Agronomy-Universidade Federal do Pará, Rua Coronel José Porfírio, 2515, Anexo II, São Sebastião,-Altamira-PA, 68372040, Brazil.


| Pablo Henrique Almeida Oliveira
Department of Agronomic and Forest Sciences, Universidade Federal Rural do Semi-Árido, R. Francisco Mota, 572-Pres. Costa e Silva, Mossoró-RN, 59625-900, Brazil.


| Nataly De La Pava Suárez
Department of Agronomy-Universidad del Magdalena, Dirección Carrera 32, 22–08 Santa Marta, 470004, Colombia.


| Erica Costa Calvet
Department of Plant Science-Plant Health Sector, Universidade Federal do Ceará. Rua Campus do Pici S/N-Bloco 806-Campus do Pici-CEP 60440-554-Fortaleza–CE.


| João Everthon Silva Ribeiro
Department of Agronomic and Forest Sciences, Universidade Federal Rural do Semi-Árido, R. Francisco Mota, 572-Pres. Costa e Silva, Mossoró-RN, 59625-900, Brazil.
نشانی اینترنتی http://jcp.modares.ac.ir/browse.php?a_code=A-10-82828-1&slc_lang=en&sid=3
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