Silicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].

The fall armyworm (Spodoptera frugiperda) is a major economic pest in the United States and has recently become a significant concern in African and Asian countries. Due to its increased resistance to current management strategies, including pesticides and transgenic corn, alternative management tec...

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Autores principales:	Inzamam Ul Haq, Aroosa Khurshid, Rehan Inayat, Zhang Kexin, Liu Changzhong, Shahbaz Ali, Ali Tan Kee Zuan, Abdulrahman Al-Hashimi, Arshad Mehmood Abbasi
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d851e0cc6857494999c61b63d2a4d5a2
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spelling	oai:doaj.org-article:d851e0cc6857494999c61b63d2a4d5a22021-12-02T20:07:42ZSilicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].1932-620310.1371/journal.pone.0259749https://doaj.org/article/d851e0cc6857494999c61b63d2a4d5a22021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0259749https://doaj.org/toc/1932-6203The fall armyworm (Spodoptera frugiperda) is a major economic pest in the United States and has recently become a significant concern in African and Asian countries. Due to its increased resistance to current management strategies, including pesticides and transgenic corn, alternative management techniques have become more necessary. Currently, silicon (Si) is being used in many pest control systems due to its ability to increase plant resistance to biotic and abiotic factors and promote plant growth. The current experiments were carried out at the College of Plant Protection, Gansu Agricultural University, Lanzhou, China, to test the effect of Si on lifetable parameters and lipase activity of fall armyworm and vegetative and physiological parameters of maize plants. Two sources of Si (silicon dioxide: SiO2 and potassium silicate: K2SiO3) were applied on maize plants with two application methods (foliar application and soil drenching). The experiment results revealed that foliar applications of SiO2 and K2SiO3 significantly (P≤0.05) increased mortality percentage and developmental period and decreased larval and pupal biomass of fall armyworm. Similarly, both Si sources significantly (P≤0.05) reduced lipase activity of larvae, and fecundity of adults, whereas prolonged longevity of adults. Among plant parameters, a significant increase in fresh and dry weight of shoot, stem length, chlorophyll content, and antioxidant activity was observed with foliar applications of Si. Root fresh and dry weight was significantly (P ≤ 0.05) higher in plants treated with soil drenching of SiO2 and K2SiO3. Moreover, SiO2 performed better for all parameters as compared to K2SiO3 and control treatment. The study conclusively demonstrated a significant negative effect on various biological parameters of fall armyworm when plants were treated with Si, so it can be a promising strategy to control this pest.Inzamam Ul HaqAroosa KhurshidRehan InayatZhang KexinLiu ChangzhongShahbaz AliAli Tan Kee ZuanAbdulrahman Al-HashimiArshad Mehmood AbbasiPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0259749 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Inzamam Ul Haq Aroosa Khurshid Rehan Inayat Zhang Kexin Liu Changzhong Shahbaz Ali Ali Tan Kee Zuan Abdulrahman Al-Hashimi Arshad Mehmood Abbasi Silicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].
description	The fall armyworm (Spodoptera frugiperda) is a major economic pest in the United States and has recently become a significant concern in African and Asian countries. Due to its increased resistance to current management strategies, including pesticides and transgenic corn, alternative management techniques have become more necessary. Currently, silicon (Si) is being used in many pest control systems due to its ability to increase plant resistance to biotic and abiotic factors and promote plant growth. The current experiments were carried out at the College of Plant Protection, Gansu Agricultural University, Lanzhou, China, to test the effect of Si on lifetable parameters and lipase activity of fall armyworm and vegetative and physiological parameters of maize plants. Two sources of Si (silicon dioxide: SiO2 and potassium silicate: K2SiO3) were applied on maize plants with two application methods (foliar application and soil drenching). The experiment results revealed that foliar applications of SiO2 and K2SiO3 significantly (P≤0.05) increased mortality percentage and developmental period and decreased larval and pupal biomass of fall armyworm. Similarly, both Si sources significantly (P≤0.05) reduced lipase activity of larvae, and fecundity of adults, whereas prolonged longevity of adults. Among plant parameters, a significant increase in fresh and dry weight of shoot, stem length, chlorophyll content, and antioxidant activity was observed with foliar applications of Si. Root fresh and dry weight was significantly (P ≤ 0.05) higher in plants treated with soil drenching of SiO2 and K2SiO3. Moreover, SiO2 performed better for all parameters as compared to K2SiO3 and control treatment. The study conclusively demonstrated a significant negative effect on various biological parameters of fall armyworm when plants were treated with Si, so it can be a promising strategy to control this pest.
format	article
author	Inzamam Ul Haq Aroosa Khurshid Rehan Inayat Zhang Kexin Liu Changzhong Shahbaz Ali Ali Tan Kee Zuan Abdulrahman Al-Hashimi Arshad Mehmood Abbasi
author_facet	Inzamam Ul Haq Aroosa Khurshid Rehan Inayat Zhang Kexin Liu Changzhong Shahbaz Ali Ali Tan Kee Zuan Abdulrahman Al-Hashimi Arshad Mehmood Abbasi
author_sort	Inzamam Ul Haq
title	Silicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].
title_short	Silicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].
title_full	Silicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].
title_fullStr	Silicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].
title_full_unstemmed	Silicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].
title_sort	silicon-based induced resistance in maize against fall armyworm [spodoptera frugiperda (lepidoptera: noctuidae)].
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/d851e0cc6857494999c61b63d2a4d5a2
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Silicon-based induced resistance in maize against fall armyworm [Spodoptera frugiperda (Lepidoptera: Noctuidae)].

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