Flour of pearl millet (Pennisetum typhoides) is let to go stale for about 10 days till it tastes bitter. This flour is mixed with ash and sprinkled over the crop of cumin (Cummin cyminum) for protection against powdery mildew.
Crop: Cumin
Crop Family: Umbellifers
Crop Scientific Name: (Cuminum cyminum)
Crop Vernacular Name: Jeera, Jeeru, Jeere
Formulation: Flour of pearl millet : Ash = 1:4
Ingredients: Stale flour of pearl millet (Pennisetum typhoides), ash
"Single dusting of 300 meshes sulphur 20-25 kg/ha at the time of flowering in January is essential."
http://isss.ind.in/pdf/ISSS%20JOURAL%20(VOLUME-4(1)%20(06-01-2.pdf
"Among the different fungicides tested against E. polygoni in vivo conditions, propiconazole (0.025%) was the most effective fungicide ascompared to the others"
https://www.researchgate.net/publication/333446333_Diseases_of_Cumin_and_its_Management