Corn Curvularia leaf spot disease was a frequently occurring disease to maize leaf,which caused by Curvularia lunata leaf spot pathogen,this disease was very common in corn planting area in China.
Rice blast,caused by Magnaporthe oryzae is one of the most destructive disease of rice worldwide,and the use of resistant cultivars is the most economic,effective and environment-friendly measure.
The African cultivated rice (Oryza glaberrima),which is one of the two cultivated spe-cies of genus Oryza and was independently domesticated from the wild progenitor O.barthii about 2000 to 3500 years