Potatoes plants and tubers that are exposed to hot sun and winds after cloudy weather can suffer damage and die, notes Harvest to Table. Symptoms of this exposure include light green, wilting leaves that dry up, and if tubers are present underground, they become brown and watery.
Why are my potato plants turning yellow and dying?
Waterlogged soil Too much water in the soil can cause your potato plants to turn yellow. Whether it be from excess rainfall or overwatering, over wet soils are a breeding ground for trouble. What is this? Waterlogging can cause stress on the plant leading to leaves yellowing and dying.
How do you treat potato wilt?
Keep gardens weed free and pick up and discard all dead or infected plant debris. Crop rotation will also help with wilt management. Where there are large fields of potato plants wilting, the potato tops should be raked and burned.
How often should potatoes be watered?
Generally, potatoes need between 1-2 inches of water per week; this could be provided by rain events or you to make up the difference.
Will potatoes keep growing if the plant dies?
Do potatoes keep growing after the plant dies? Once the plant dies, the potatoes are finished growing in size. However, the skin on the potato does harden and cure to make it stronger for storage. We recommend leaving the potatoes in the ground for about 2 weeks after the plants have died off.
