International Journal of Engineering and Manufacturing (IJEM)
IJEM Vol. 16, No. 2, 8 Apr. 2026
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Scalable AI-Driven Maize Plant Disease Detection using Convolutional Neural Network
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Author(s)
Index Terms
Maize Disease Detection, Convolutional Neural Networks, Agricultural Technology
Abstract
Plant diseases have a significant impact on global food security, especially in staple crops like maize (Zea mays). Traditional disease detection systems depend on professional visual inspection, which is labor-intensive, time-consuming, and not scalable for large agricultural areas. Convolutional Neural Networks (CNNs) are used in this study's deep learning (DL) architecture to detect maize leaf diseases accurately and automatically. A curated dataset of approximately 7,000 high-resolution maize leaf photos was created, representing four classes: healthy, Common Rust (Puccinia sorghi), Northern Leaf Blight (Exserohilum turcicum), and Gray Leaf Spot (Cercospora zeae-maydis). Data were sourced from the Plant Village dataset, real-world field collections from Indian farms, and supplemented synthetically to simulate varied climatic circumstances. Advanced methods including as adaptive learning rate scheduling, gradient clipping, and significant data augmentation were used to train a bespoke CNN model that was improved by transfer learning with ResNet50 and VGG16 backbones. The model attained a test accuracy of 98.2%, beating classic machine learning algorithms like SVM (88.5%) and Random Forest (84.3%). Visualization approaches such as feature maps, Grad-CAM, and LIME improved interpretability and showed the model's capacity to locate disease-relevant features. Web-based user engagement is made possible by deployment-ready implementation, which enables farmers to upload leaf photos for immediate diagnosis. With the potential to cut maize crop losses by 20–30%, this research offers a scalable and affordable alternative to early disease detection in precision agriculture. Future research will investigate autonomous farm management with drone-based real-time surveillance and IoT system integration.
Cite This Paper
Ishaan Mishra, Vivek Singh Verma, "Scalable AI-Driven Maize Plant Disease Detection using Convolutional Neural Network", International Journal of Engineering and Manufacturing (IJEM), Vol.16, No.2, pp.156-170, 2026. DOI:10.5815/ijem.2026.02.10
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