Evaluation of different Kabuli chickpea genotypes against Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in relation to biotic and abiotic factors
Background The chickpea pod borer Helicoverpa armigera (Hübner) is a significant insect pest of chickpea crops, causing substantial global losses. Methods Field experiments were conducted in Central Punjab, Pakistan, to investigate the impact of biotic and abiotic factors on pod borer population dyn...
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PeerJ Inc.
2024-03-01
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| author | Hafiz Muhammad Bilal Yousuf Muhammad Yasin Habib Ali Khalid Naveed Ammara Riaz Amal Mohamed AlGarawi Ashraf Atef Hatamleh Yunfeng Shan |
| author_facet | Hafiz Muhammad Bilal Yousuf Muhammad Yasin Habib Ali Khalid Naveed Ammara Riaz Amal Mohamed AlGarawi Ashraf Atef Hatamleh Yunfeng Shan |
| author_sort | Hafiz Muhammad Bilal Yousuf |
| collection | DOAJ |
| description | Background The chickpea pod borer Helicoverpa armigera (Hübner) is a significant insect pest of chickpea crops, causing substantial global losses. Methods Field experiments were conducted in Central Punjab, Pakistan, to investigate the impact of biotic and abiotic factors on pod borer population dynamics and infestation in nine kabuli chickpea genotypes during two cropping seasons (2020–2021 and 2021–2022). The crops were sown in November in both years, with row-to-row and plant-to-plant distances of 30 and 15 cm, respectively, following a randomized complete block design (RCBD). Results Results showed a significant difference among the tested genotypes in trichome density, pod wall thickness, and leaf chlorophyll contents. Significantly lower larval population (0.85 and 1.10 larvae per plant) and percent damage (10.65% and 14.25%) were observed in genotype Noor-2019 during 2020–2021 and 2021–2022, respectively. Pod trichome density, pod wall thickness, and chlorophyll content of leaves also showed significant variation among the tested genotypes. Pod trichome density and pod wall thickness correlated negatively with larval infestation, while chlorophyll content in leaves showed a positive correlation. Additionally, the larval population positively correlated with minimum and maximum temperatures, while relative humidity negatively correlated with the larval population. Study results explore natural enemies as potential biological control agents and reduce reliance on chemical pesticides. |
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| issn | 2167-8359 |
| language | English |
| last_indexed | 2024-04-24T23:30:27Z |
| publishDate | 2024-03-01 |
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| spelling | doaj.art-8c2df5eb51b04e69bdb3672702d7df5e2024-03-15T15:05:05ZengPeerJ Inc.PeerJ2167-83592024-03-0112e1694410.7717/peerj.16944Evaluation of different Kabuli chickpea genotypes against Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in relation to biotic and abiotic factorsHafiz Muhammad Bilal Yousuf0Muhammad Yasin1Habib Ali2Khalid Naveed3Ammara Riaz4Amal Mohamed AlGarawi5Ashraf Atef Hatamleh6Yunfeng Shan7Department of Entomology, Faculty of Agriculture and Environment, Islamia University, Bahawalpur, Bahawalpur, Punjab, PakistanDepartment of Entomology, Faculty of Agriculture and Environment, Islamia University, Bahawalpur, Bahawalpur, Punjab, PakistanDepartment of Agricultural Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, PakistanDepartment of Entomology, University of Agriculture Faisalabad, Depalpur Campus, Okara, Faisalabad, PakistanDepartment of Life Sciences, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, PakistanDepartment of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi ArabiaDepartment of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi ArabiaCollege of Mathematics and Computer Science, Guangxi Science and Technology Normal University, Laibin, ChinaBackground The chickpea pod borer Helicoverpa armigera (Hübner) is a significant insect pest of chickpea crops, causing substantial global losses. Methods Field experiments were conducted in Central Punjab, Pakistan, to investigate the impact of biotic and abiotic factors on pod borer population dynamics and infestation in nine kabuli chickpea genotypes during two cropping seasons (2020–2021 and 2021–2022). The crops were sown in November in both years, with row-to-row and plant-to-plant distances of 30 and 15 cm, respectively, following a randomized complete block design (RCBD). Results Results showed a significant difference among the tested genotypes in trichome density, pod wall thickness, and leaf chlorophyll contents. Significantly lower larval population (0.85 and 1.10 larvae per plant) and percent damage (10.65% and 14.25%) were observed in genotype Noor-2019 during 2020–2021 and 2021–2022, respectively. Pod trichome density, pod wall thickness, and chlorophyll content of leaves also showed significant variation among the tested genotypes. Pod trichome density and pod wall thickness correlated negatively with larval infestation, while chlorophyll content in leaves showed a positive correlation. Additionally, the larval population positively correlated with minimum and maximum temperatures, while relative humidity negatively correlated with the larval population. Study results explore natural enemies as potential biological control agents and reduce reliance on chemical pesticides.https://peerj.com/articles/16944.pdfChickpeaPhysio-morphic charactersTrichomesGenotypesChlorophyll contentsAbiotic factors |
| spellingShingle | Hafiz Muhammad Bilal Yousuf Muhammad Yasin Habib Ali Khalid Naveed Ammara Riaz Amal Mohamed AlGarawi Ashraf Atef Hatamleh Yunfeng Shan Evaluation of different Kabuli chickpea genotypes against Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in relation to biotic and abiotic factors PeerJ Chickpea Physio-morphic characters Trichomes Genotypes Chlorophyll contents Abiotic factors |
| title | Evaluation of different Kabuli chickpea genotypes against Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in relation to biotic and abiotic factors |
| title_full | Evaluation of different Kabuli chickpea genotypes against Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in relation to biotic and abiotic factors |
| title_fullStr | Evaluation of different Kabuli chickpea genotypes against Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in relation to biotic and abiotic factors |
| title_full_unstemmed | Evaluation of different Kabuli chickpea genotypes against Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in relation to biotic and abiotic factors |
| title_short | Evaluation of different Kabuli chickpea genotypes against Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in relation to biotic and abiotic factors |
| title_sort | evaluation of different kabuli chickpea genotypes against helicoverpa armigera hubner lepidoptera noctuidae in relation to biotic and abiotic factors |
| topic | Chickpea Physio-morphic characters Trichomes Genotypes Chlorophyll contents Abiotic factors |
| url | https://peerj.com/articles/16944.pdf |
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