Wheat is a vital global cereal crop, but its productivity and nutritional quality are severely threatened by stripe rust, a devastating fungal disease caused by Puccinia striiformis f. sp. tritici. When genetic resistance in cultivars fails, fungicide application is critical for protecting yields. A study conducted at Khalsa College Amritsar (2022-24) evaluated the efficacy of various fungicides against stripe rust using a Randomized Block Design. Treatments were compared to a control (cultivar PBW-343) based on disease severity, the Average Coefficient of Infection (ACI), and yield parameters including grain yield and 1000-grain weight. Under artificial inoculation, Nativo 75 WG (trifloxystrobin + tebuconazole) applied twice at 15-day intervals recorded the highest grain yield (49.41 q/ha) and 1000-grain weight (43.79 g), increasing yield by 60.95% over control. Custodia, Fusion Top, and Tilt followed, while Opera (pyraclostrobin + epoxiconazole) showed the lowest efficacy (45.68 q/ha, 41.17 g). Nativo also had the lowest ACI (1.6%), compared to the control (54.34%). Other treatments-Custodia (2.4%), Fusion Top (4.65%), Tilt (8.4%), and Opera (11.6%) were statistically superior to control. Systemic fungicides like Custodia, Nativo, Tilt, Opera, and Fusion Top, with diverse modes of action (e.g., DMIs, QoIs), effectively suppressed the disease. These findings highlight their role in managing stripe rust and safeguarding wheat productivity.
| Published in | Journal of Plant Sciences (Volume 13, Issue 6) |
| DOI | 10.11648/j.jps.20251306.16 |
| Page(s) | 249-257 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2025. Published by Science Publishing Group |
ACI, Stripe Rust, Systemic Fungicides, Wheat, Yield Attributes
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APA Style
Bhullar, M., Mahajan, S. (2025). Impact of Foliar Application of Systemic Fungicides on Yield Attributes and ACI Against Stripe Rust of Wheat. Journal of Plant Sciences, 13(6), 249-257. https://doi.org/10.11648/j.jps.20251306.16
ACS Style
Bhullar, M.; Mahajan, S. Impact of Foliar Application of Systemic Fungicides on Yield Attributes and ACI Against Stripe Rust of Wheat. J. Plant Sci. 2025, 13(6), 249-257. doi: 10.11648/j.jps.20251306.16
@article{10.11648/j.jps.20251306.16,
author = {Muskan Bhullar and Seethiya Mahajan},
title = {Impact of Foliar Application of Systemic Fungicides on Yield Attributes and ACI Against Stripe Rust of Wheat},
journal = {Journal of Plant Sciences},
volume = {13},
number = {6},
pages = {249-257},
doi = {10.11648/j.jps.20251306.16},
url = {https://doi.org/10.11648/j.jps.20251306.16},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20251306.16},
abstract = {Wheat is a vital global cereal crop, but its productivity and nutritional quality are severely threatened by stripe rust, a devastating fungal disease caused by Puccinia striiformis f. sp. tritici. When genetic resistance in cultivars fails, fungicide application is critical for protecting yields. A study conducted at Khalsa College Amritsar (2022-24) evaluated the efficacy of various fungicides against stripe rust using a Randomized Block Design. Treatments were compared to a control (cultivar PBW-343) based on disease severity, the Average Coefficient of Infection (ACI), and yield parameters including grain yield and 1000-grain weight. Under artificial inoculation, Nativo 75 WG (trifloxystrobin + tebuconazole) applied twice at 15-day intervals recorded the highest grain yield (49.41 q/ha) and 1000-grain weight (43.79 g), increasing yield by 60.95% over control. Custodia, Fusion Top, and Tilt followed, while Opera (pyraclostrobin + epoxiconazole) showed the lowest efficacy (45.68 q/ha, 41.17 g). Nativo also had the lowest ACI (1.6%), compared to the control (54.34%). Other treatments-Custodia (2.4%), Fusion Top (4.65%), Tilt (8.4%), and Opera (11.6%) were statistically superior to control. Systemic fungicides like Custodia, Nativo, Tilt, Opera, and Fusion Top, with diverse modes of action (e.g., DMIs, QoIs), effectively suppressed the disease. These findings highlight their role in managing stripe rust and safeguarding wheat productivity.},
year = {2025}
}
TY - JOUR T1 - Impact of Foliar Application of Systemic Fungicides on Yield Attributes and ACI Against Stripe Rust of Wheat AU - Muskan Bhullar AU - Seethiya Mahajan Y1 - 2025/12/31 PY - 2025 N1 - https://doi.org/10.11648/j.jps.20251306.16 DO - 10.11648/j.jps.20251306.16 T2 - Journal of Plant Sciences JF - Journal of Plant Sciences JO - Journal of Plant Sciences SP - 249 EP - 257 PB - Science Publishing Group SN - 2331-0731 UR - https://doi.org/10.11648/j.jps.20251306.16 AB - Wheat is a vital global cereal crop, but its productivity and nutritional quality are severely threatened by stripe rust, a devastating fungal disease caused by Puccinia striiformis f. sp. tritici. When genetic resistance in cultivars fails, fungicide application is critical for protecting yields. A study conducted at Khalsa College Amritsar (2022-24) evaluated the efficacy of various fungicides against stripe rust using a Randomized Block Design. Treatments were compared to a control (cultivar PBW-343) based on disease severity, the Average Coefficient of Infection (ACI), and yield parameters including grain yield and 1000-grain weight. Under artificial inoculation, Nativo 75 WG (trifloxystrobin + tebuconazole) applied twice at 15-day intervals recorded the highest grain yield (49.41 q/ha) and 1000-grain weight (43.79 g), increasing yield by 60.95% over control. Custodia, Fusion Top, and Tilt followed, while Opera (pyraclostrobin + epoxiconazole) showed the lowest efficacy (45.68 q/ha, 41.17 g). Nativo also had the lowest ACI (1.6%), compared to the control (54.34%). Other treatments-Custodia (2.4%), Fusion Top (4.65%), Tilt (8.4%), and Opera (11.6%) were statistically superior to control. Systemic fungicides like Custodia, Nativo, Tilt, Opera, and Fusion Top, with diverse modes of action (e.g., DMIs, QoIs), effectively suppressed the disease. These findings highlight their role in managing stripe rust and safeguarding wheat productivity. VL - 13 IS - 6 ER -