Diseases of major crops: Cereals - SS2 Agriculture Lesson Note

Smut: Smut is a fungal disease that affects cereals like wheat, barley, and corn. It leads to the formation of black, powdery spore masses on the plant, reducing grain yield and quality. Farmers often use fungicides to manage smut.

 

Source:(britannica.com)

 

Rice Blast: Rice blast is a devastating fungal disease in rice. It causes small, irregularly shaped lesions on leaves, stems, and grains, leading to yield loss. Crop rotation and resistant rice varieties are employed to control this disease.

 

Source:(dpi.nsw.gov.au)

 

Leaf Rust: Leaf rust affects various cereals, including wheat and barley. It manifests as reddish-brown pustules on leaf surfaces, reducing photosynthesis and grain fill. Farmers use rust-resistant crop varieties and fungicides to mitigate its impact.

Source:(planetnatural.com)