Potato Plant Leaves Curling: What Causes Them And Why?

When potato leaves are curling up so that they should not have, a few types of viruses have inflamed them. They are nightshade plant life and are vulnerable to many sicknesses.

Curling of the leaves is not a usual thing, and when you notice it in the plant, they should be destroyed by that minute only.

How Do Leaves Help Plants?

The primary work of the leaves is to make meals for the entire plant. They offer meals and air to the plant. The leaves put together meals using the process of photosynthesis.

The chlorophyll content inside the leaves absorbs the sunlight and prepares food. In addition, the leaves breathe in the carbon dioxide and breathe out the oxygen through the pores or referred to as stomata.

These plants use carbon dioxide, daylight and water to make sugars. These sugars assist in making the plant develop and provide the energy to maintain itself. They additionally launch the extra water just like people sweat.

So, the main three features of the leaves are to 1. use sunlight to make meals for the plant, 2. Store water and minerals for plants. 3. shipping the water and minerals in the course of the plant.

The leaves are recognized to be the meal factories for plant life. Without them, they might no longer live to tell the tale in any respect and could die. These features are essential for plant life as their growth relies upon them.

The leaf dermis protects the inner shape of the leaves and maintains the stem dermis. The water from the leaves goes to the roots and goes to the entire plant with numerous vitamins and minerals that support the plant’s health.

Why Are Potato Plant Leaves Curling?

Numerous reasons can be the motives for curling the potato leaves within the plant. Some of the sicknesses are noted beneath:

#1 Potato curly pinnacle virus

Potato curly pinnacle virus is a sickness due to a set of intently associated pathogens referred to as circovirus. This sickness is likewise usually located in beets and has another name called beet curly pinnacle virus, which takes the call from the vegetable itself.

This potato curly pinnacle virus signs are stunted growth with curled and yellow leaves. The leaves change to yellow whilst the veins are green. Aerial tubers and trim, elongated tubers are the symptoms that the sickness has transformed into the tubers.

You can lessen the sickness by way of planting licensed seeds and also can take away the probability of encountering the hassle. Controlling the weeds and layering them with mesh barriers will protect them from leafhoppers and spread sicknesses. It will also cover the plants which are planted beside them.

The best way to defend your plant after they display signs is to pluck the entire plant and damage it so that it does not stop the plant’s growth and harm them.

#2 Potato Virus Y

The Potato Virus Y or the PVY is a sickness which impacts industrial potato production. The illness comes from the virus from the own circle of relatives of Potyviridae and acts as a pathogen to many plant life, including potatoes, tomatoes and capsicum. It’s frequently transmitted through aphids. However, it can stay dormant in the seed potatoes and infect the plant that grows from its pieces.

The symptoms visible on the leaves and the floor of the leaves are mild and darkish styles that crinkle them and the unfortunate death of the plant.

When the sickness becomes critical, the plant’s growth is stunted and leaves drop. Once the illness progresses to the tubers, you could locate mild brown rings at the pores and skin of the tubers.

To control PVY in plants, plant licensed seed potatoes, pick out PVY resistant potato sorts and dispose of vintage plant residues right away after harvesting to save them from spreading sicknesses to the brand new plants. Remove and damage all potato plant life that displays signs of the virus to keep them from spreading it to the opposite plant life.

Check this out: What Causes Holes in Potato Leaves?

#3 Potato Leafroll Disease

The potato leafroll virus, also referred to as PLRV, occurs in the sector and is a dangerous viral sickness after PVY. It is due to an epidemic from the own circle of relatives Solemoviridae and is also transmitted through the aphids, mainly by the peach aphids.

The pathogen infects plant life belonging to the Solanaceae’s circle of relatives, including potatoes. Severe infections can damage the plant’s growth and can also lead to its death of it.

The signs are yellow leaves with upward rolling of the rims are the preliminary signs of this sickness. As the illness develops, the leaves flip leathery and crunchy, and the plant growth is stunted.

Planting licensed potato seeds can lessen the probability of spreading the sickness. Also, keep the lawn bed free from weeds and self-sown potatoes, and use neonicotinoid pesticides early within the season to save you the aphids from attacking the plants.

#4 Potato Leafhopper

Potato leafhopper, additionally referred to as Empoasca fabae, is a pest that infests many plants, which includes potatoes. These minor, mild inexperienced bugs are very mobile. The winged bugs use their piercing-sucking mouthparts to feed on the potato leaves.

Potato leafhopper feeds at the molecular saps, which is why necrosis within the leaflets begins from the hints to the margins, ultimately affecting the entire leaf. In extreme cases, it could result in defoliation.

The signs develop faster when the climate is warm and dry. Some of the signs are upward curling yellow leaves and little plant life, suggesting that your plant life suffers from potato leafhoppers.

The feasible matters which may be carried out are to keep away from planting potatoes close to alfalfa fields because the pests are widespread in those fields and could quickly affect the potato crop as soon as alfalfa is harvested.

Keep the plant life nicely fed and water them well to place up a higher resistance towards harm of the pests. Foliar pesticides also can be carried out in controlling leafhoppers.

Also Read: How Deep Do Potato Roots Grow?

#5 Herbicides

Herbicides are chemical compounds which can be utilized in getting rid of undesirable flora in gardens. While directed herbicides best act on a few unique plant sorts, killing them off the lawn, they can also affect other plants.

When the residues of the herbicides are present inside the soil, the chemical compounds by accident hit the plant themselves and may purpose the curling of potato leaves. Strains of chemical compounds can also be transferred to your potato crop from nearby fields.

Some of the signs of the impact of the herbicides are curling, wrinkling, yellowing and wilting of leaves and stunted plant growth. Try to keep away from the usage of those herbicides within the gardens; they harm the plant life, which can be very harmful to the plant’s health.

Add those chemical compounds in the autumn season even when you have to. Don’t add them at the stage when they are developing.

Check this out: Do Potatoes Like Wood Ash?

#6 Improper watering of the plant life

Often, wrong watering can also cause the curling of potato leaves. Both an excessive amount of watering and too little watering can harm the form and shape of the leaves.

Water the crop often to maintain the soil’s moisture, do not overwater them. Make sure the soil drains nicely, and the roots do now no longer have standing water. Mulch the environment of the plant life to assist the soil reserve water till the following watering.

Improper watering may be a difficult for lots of different sicknesses and can also damage the fertility of the soil. Therefore, the correct quantity of water for any plant could be essential, and each plant has its watering capacity.

Also Read: How Often to Water Potato Plants?

Growing Needs for Potato Plant

There are a few tips and essential needs for the potato plant which must be saved in mind whilst planting potatoes. They are noted beneath for either commercial use or for the home garden:

1. Planting the Certified Seed Potatoes: Planting licensed seed potatoes makes certain that you begin with sickness-free potatoes. Avoid developing from potatoes as they could have sicknesses that might also increase the disease to the brand new plant; if you’re making plans to accomplish that, test the potato for any sicknesses.

2. Pre-sprouting the Potatoes: A wise and proper option is to give the potato seeds a head start before planting them on the floor.

3. Grow in Full Sun: Grow your potatoes in full daylight, wherein they may acquire six to eight hours of light when planted in acidic and nicely-tired soil.

4. Plant Potatoes in Early Spring: Potatoes grow in a cooler climate. They should be planted  in the early spring. Wet, waterlogged soil will rot the potato seeds. The planting of the seeds depends on the soil moisture and condition, as the plant’s growth depends on that.

5. Water Consistently: Maintaining the soil moisture in the potato bed is very important and should be watered frequently and kept recorded for a week.

6. Keep the Tubers Covered: Prevent your potatoes from forming tubers on the soil or mulching closely so that it does not reach the tubers.

7. Let the Potatoes Mature Fully for Food Storage: You can start harvesting new potatoes as needed for food after the plant’s bloom. If you’re developing potatoes for storage, permit the tubers to stay on the floor to mature.

Also Read: Why Are My Potato Plants Falling Over?

Cure unwashed potatoes earlier than storing so that the skins heal over and thicken up. Store cured tubers in dark containers or packing containers with a few holes for ventilation.

Rotate Your Potato Crop for Healthy Soil: Potatoes must be turned around on the lawn on a three to twelve months system. You shouldn’t develop potatoes in the same spot until three or four years later. Follow potatoes with beans, leafy greens, or any other crop besides the potato.

Also Read: Is Bone Meal Good for Growing Potatoes?


Once you recognize the basics, potatoes are distinctly clean to develop. The homegrown potatoes are a delicious, organic, nutrient-dense meal supply that you could feed your family and circle of relatives. Also fulfilling is the sensation of delight over the reality you grew them yourself.

Growing something of your personal to your lawn has very different feelings. It offers you a feeling of delight as it is something that is grown with all your difficulty, hard work and patience.

Whether it is mashed, fried or boiled, you could have something at any time if you have your production. Pluck them from the lawn, wash them and prepare them in the way you need to have them. Keeping in the tips and needs for the potato plantation you could develop them on your lawn or in the garden.

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