Disease

Symptoms

Fungicide

Method of application/ Control Measures

Name:- Fusarium Wilt

(Fusarium oxysporum.f. sp. lycopersici)

Long distance: seed and transplants. Localized: water, machinery, vehicles, etc. Specific host is tomato.

Favoring Conditions Warm temperatures, acidic sandy soils. Minor root injuries enhance infection.

Overall Plant: - Plants yellow and wilt, Sometimes only isolated branches of diseased plants show symptoms. Reducing vigor and green leaf area until plant collapses.

Leaf: - Yellowing is bright, no leaf pattern. Easily confused with other problems, especially single branch infections.

Stem: - Internal stem browning especially the leaf stem scar. No discoloration of the pith.

Root and fruit: - darker reddish browning of xylem, but similar to Vert. Use other symptoms to help identify.

0.1% carbendazim or benomyl.

Soil drenching. 
The infection could be minimized by crop rotation and growing resistant varieties.