Seedling blights . Little is known about resistance to seedling blights in corn, but hybrids with more vigorous early growth may escape damping-off to some extent. In soybeans, resistance to Phytophthora can be an important step toward controlling damping-off. Brown stem rot of soybeans . Both polygenic and major-gene resistances are available.
Most seed companies offer varieties with good levels of resistance.
Phytophthora root rot of soybeans . Both polygenic and major-gene resistances are available. Most seed companies offer Phytophthora -resistant varieties. Soybean cyst nematode . Resistance is polygenic and there are some varieties with good white mold resistance.