Korean Journal of Breeding Science

Resistance to lodging, disease and insect of ‘Mihyeonchal’.

Hybrid	Lodging (1~9)z	Disease degree (0-9)		Insect damage (0-9)

		Southern leaf blighty (Bipolaris maydis)	Northern leaf blighty (Excerohilum turcicum)	Corn borer (Ostrinia furnacalis), Corn earworm (Helicoverpa armigera)x
Mihyeonchal	1.9	0.1	1.0	3.8
Ilmichal	1.2	1.7	1.0	6.3

^z1; None, 3; under 10%, 5; 30~50%, 7; 50~60%, 9; over 70% (plant of over 30° lodging)

Rate (%)=(lodging plant/total plants)×100

^y0; None, 1; under 1%, 3; 1~10%, 5; 11~20%, 7; 21~40%, 9; over 41%

Rate (%)=(disease area/total area of leaf)×100

^x0; None, 1; 0.1~1%, 3; 1.1~5%, 5; 5.1~10%, 7; 10.1~20%, 9; over 20.1%

Rate (%)=(damaged plant/total plants)×100