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Two major wilt diseases of tomatoes are Fusarium and Verticillium wilt. These wilt-causing fungi live in the soil and enter the plants through the roots. Once inside the plant, they enter the water-conducting tissues and block the water supply. Plants are deprived of water and show wilt symptoms, especially during dry conditions. Symptoms.
Bacterial wilt is one of the major diseases of tomato and other solanaceous plants. The disease is known to occur in the wet tropics, sub3tropics and some temperate regions of the world. The disease is caused by the bacterium Ralstonia solanacearum, previously known as Pseudomonas solanacearum. It is one of the most damaging plant pathogens.
Several tomato diseases and disorders cause leaf spots and fruit rots. Typically, these diseases do not kill the plants, but they can lead to significant yield and quality losses. Many disease-causing microorganisms can survive in plant debris, on seed, or in the soil.
To reduce bacterial wilt disease and other diseases caused by fungal wilt, root knot nematodes and death of the crop due to temporary waterlogging in tomatoes. Advantages of grafting: • Management of root-borne diseases is easy through planting of grafted seedlings. • Plants grow healthy and can withstand initial infestations.
Maintain consistent watering, apply mulch around plants, limit nitrogen fertilizer applications, avoid pruning ind. types during high temperatures. Choose determinate tomato varieties with viral disease resistance. Follow proper IPM methods to prevent insects, and only use clean, sterile tools.
How to control bacterial wilt • Rotate your crops, using crops like cereals. • Clear the field of wilting plants and the plant residue and destroy by burying. • Solarize planting beds to kill the bacterial in the soil. • Apply spot treatment with lime/ash or sodium hypochlorite diluted to 10% (Jik). • Sanitize pruning implements.
Recognize the problem. Bacterial wilt ("Mnyauko bakteria" in Swahili) is a disease that can appear on all growth stages. It is first recognised by wilting of leaves at the ends of branches. Two to three days later, the entire plant rapidly wilts without any prior yellowing of leaves.
