Korean Journal of Breeding Science

Resistance to Tolerance to lodging and Resistance to disease and insect of ‘Mihongchal’.

Hybrid	Lodging (1~9)^z	Disease degree(0-9)			Insect damage (0-9)
Hybrid	Lodging (1~9)^z	Southern leaf blight^y (Bipolaris maydis)	Northern leaf blight^y (Excerohilum turcicum)	Ear rot^x (Fusarium species)	Corn borer (Ostrinia furnacalis), Corn earworm (Helicoverpa armigera)^w
Mihongchal	1.1	0	0	1.2	0.2
Mibaek2	1.1	0	0	0.7	0.2

^z: 1; None, 3; under 10%, 5; 30~50%, 7; 50~60%, 9; over 70% (plant of over 30° lodging), Rate(%)=(lodging plant/total plants)×100

^y: 0; None, 1; under 1%, 3; 1~10%, 5; 11~20%, 7; 21~40%, 9; over 41%, Rate(%)=(disease area/total area of leaf)×100

^x: 0; None, 1; under 10%, 3; 10~20%, 5; 21~40%, 7; 41~60%, 9; over 61%, Rate(%)=(disease ear/20 ears)×100

^w: 0; None, 1; 0.1~1%, 3; 1.1~5%, 5; 5.1~10%, 7; 10.1~20%, 9; over 20.1%, Rate(%)=(damage plant/100 plants)×100