Breeding of F225 and F226, mild flue-cured varieties with resistance to bacterial wilt, black shank [phytophthora disease] and potato virus Y

agronomic characters bacteria biological control breeding breeding aims crops cultivars dicotyledons disease resistance diseases economic plants fungi injurious factors mildews mycoses nicotiana nicotiana tabacum ornamental monocarps ornamental plants pest control methods phytophthora plant breeding plant viruses plants pseudomonaceae pseudomonas resistance to injurious factors solanaceae stimulant crops symptoms tubiflorae viruses wilts