Benzothiadiazole maintains redox balance and promotes defense against Sitobion avenae (F.) in wheat by fine-tuning the antioxidant system, secondary metabolism, and osmolyte accumulation.

Authors

FAYYAZ AHMEDFollow
Samina TANWIRFollow
JAM NAZEER AHMADFollow
AYSHA KIRANFollow
FAIZ AHMAD JOYIAFollow

Abstract

Aphids are destructive cereal pests causing serious yield losses in the wheat crop. Since wheat is a staple food for more than 75% of the human population, therefore, proper management of insect pests is crucial to enhance its productivity and ensure food security. Aphid herbivory induces highly coordinated defense responses in plants at the cellular and molecular level. This innate plant defense system is activated by a signal transduction pathway mediated by plant hormones like Salicyclic acid (SA). In the present investigation an attempt was made to explore the impacts of Benzothiadiazole (BTH), an analogue of SA on wheat plants infested by Sitobion avenae F. (Grain Aphid). Exogenous application of BTH (0.1 and 1 mM) on two wheat (Triticum aestivum L) cultivars i.e. V00146 and Pasban-90 improved growth, chlorophyll pigments, gas exchange parameters, antioxidant enzyme activity, phenolics and proline accumulation, Ascorbic acid content, Total free amino acids, Total soluble sugars, leaf Ca2+ and expression of gene. Moreover, aphid feeding on BTH treated wheat seedlings showed lower nymph development rate, pre and post-fecundity and longevity and decrease in population. Our research findings, suggest that benzothiadiazole can ameliorate the negative impacts of aphid feeding on wheat and deter aphid herbivory by reducing its population. Overall, V00146 showed a better resistance against aphids.

Author ORCID Identifier

FAYYAZ AHMED: 0000-0002-0522-7568

SaminaSAMINA TANWIR: 0000-0003-1928-8780

JAM AHMAD: 0000-0002-4077-7135

AYSHA KIRAN: 0000-0003-1995-347X

FAIZ JOYIA: 0000-0002-9540-6972

DOI

10.55730/1300-008X.2844

Keywords

antioxidant, aphid, aphid biology, Benzothidiazole, control, wheat

First Page

80

Last Page

101

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Recommended Citation

AHMED, FAYYAZ; TANWIR, Samina; AHMAD, JAM NAZEER; KIRAN, AYSHA; and JOYIA, FAIZ AHMAD (2025) "Benzothiadiazole maintains redox balance and promotes defense against Sitobion avenae (F.) in wheat by fine-tuning the antioxidant system, secondary metabolism, and osmolyte accumulation.," Turkish Journal of Botany: Vol. 49: No. 2, Article 3. https://doi.org/10.55730/1300-008X.2844
Available at: https://journals.tubitak.gov.tr/botany/vol49/iss2/3