Can see this file

https://arxiv.org/pdf/1604.03169

For Wheat you can contact with CIMMYT.

Hi,

I hope that these articles might help you.

https://www.pnas.org/content/115/18/4613.short

https://spj.sciencemag.org/plantphenomics/2019/9237136/

Best regards

Hi,

These articles might help you :

Article Identification of Soybean Leaf Diseases via Deep Learning

https://arxiv.org/pdf/1710.08299.pdf

Dataset of diseased plant leaf images and corresponding labels

https://www.kaggle.com/emmarex/plantdisease

Hi Narendra Pal Singh Rathore https://www.researchgate.net/post/Datasets_for_identification_and_classification_of_plant_leaf_diseases

click on the above link and download the datasets by using links provided in the replies section.