Prepare the land at the beginning of potato cultivation and prevent potato plant turning yellow.
A valuable activity for good yield risk-free care is to dry cow dung compost on the land first.
And sprinkle bleaching powder evenly on the land before planting in the proportion recommended by the company.
And good quality potato seeds should be sown only when the land is prepared in good form.
It should be noted here that if the seed potatoes are large in size, then they should be cut by experienced workers.
And the ash used in cooking should be applied to the cut part so that the cut part is not infected with germs.
And should be transplanted into the ground very quickly, if yellow leaves appear on the plants after a long period of germination.
it is very important to investigate the following issues in depth.
Potatoes are grown as summer crops in cool climates and winter crops in warm climates.
At the end of the growing season, potato plants turn yellow and this is normal.
But if the potato plants turn yellow before you harvest the tubers, your plants may be infected with a wilt fungus or attacked by psyllids.
Verticillium wilt of potatoes causes the lower leaves to turn yellow and dry up.
Symptoms of the infection spread upwards until the entire plant turns yellow and dries up.
The vascular tissue of the stem of the potato plant also turns light brown. This is best seen at ground level.
Some tubers may discolor near the ends of the stems.
Verticillium fungi can persist in the soil for a long time and cold weather favors infection, while high temperatures favor the development of symptoms.
Infection limits or inhibits water uptake, so infection symptoms may be more severe during hot weather or during potato water stress.
Fusarium wilt symptoms are similar to verticillium wilt, but with fusarium wilt, the tissue between the veins of the leaves turns yellow and then turns brown.
Symptoms spread to the stem and may show brown discoloration of vascular tissue in stems and tubers.
Symptoms of fusarium wilt are usually more severe during hot weather when your plants are under water stress.
The fungus that causes Fusarium wilt can survive for a long time in the soil, even without a host.
The infection spreads from the roots to the vascular tissue until it infects not only the stems but also tubers and stolons.
Wilt Management
Because wilt symptoms are similar, laboratory analysis of infected plant tissue is usually required to determine which fungus is the cause, although verticillium wilt is more common than fusarium.
According to the Statewide Integrated Pest Management Program at the University of California, Berkeley, most of the area will die.
Rotate potato crops with cereals, grasses and legumes to prevent future infestations.
According to the University of California Statewide Integrated Pest Management Program, wilt infestations in California rarely require treatment with a fungicide.
If fusarium wilt is a problem in your garden, a rotation of potatoes and other solanaceous crops for four to six years is necessary to keep soil levels of the pathogen low.
Psyllid Yellows
Potato psyllids (Bactericerca cockerel) are similar to small cicadas and less than one inch long.
Related to aphids and leafhoppers, adult potato psyllids have clear wings and black bodies with white spots on the first and last abdomen.
Potato psyllid nymphs are flat and green with small spines around the edges of their bodies.
When potato psyllid nymphs feed, they release a toxin that causes a condition known as psyllid yellow due to the plant’s characteristic yellowing.
Symptoms include upward curling of the leaves closest to the stem in the upper part of the plants, which becomes more pronounced with time.
Yellowing initially appears on the edges of the leaves but eventually covers the whole plant.
Severely infested plants may become dwarfed and pyramidal in shape.
According to the University of California Statewide Integrated Pest Management Program, three or four nymphs can develop symptoms per plant.
You can use sticky traps to detect psyllid infestations before they cause major damage.
Treat affected potato plants with imidacloprid or spinosad. If the infection is severe, you will need to repeat the treatment.
When using pesticides, check labels for application rate and timing and follow all recommended safety precautions.
The problem may be lack of moisture due to hot weather, insects, disease or overspray of herbicides.
But yellow leaves can also indicate that your potatoes are mature and ready to be removed from the ground.
Potato plants need healthy leaves to produce abundant crops. Know Seven Reasons why Your Potato Plant Turning Yellow?
Potato Plant Turning Yellow For Insects
Potato bugs or aphids can damage potato leaves causing them to turn yellow and become deformed.
Fungal Diseases and Viruses
Early or late blight, fusarium wilt or verticillium wilt caused by fungi or mosaic virus can cause spotting or yellowing of potato leaves and damage the root crop.
Potato Plant Turning Yellow For Environmental Conditions
Harsh weather, poor soil and improper watering can cause yellowing of potato leaves.
Potato Plant Turning Yellow For Seven Reasons
Beetles, Aphids and Leafhoppers
Chewing insects such as blister, Colorado potato and flea beetles make holes in the leaves and can cause yellowing of the leaves if enough damage is done.
Sap-sucking insects such as green peach and potato aphids cause discoloration and deformity that leads to yellow leaves.
Potato leafhoppers extract sap from the underside of leaves causing yellowing of the tips and edges of the leaves known as “hopperburn”.
Fungal Disease Primary blight caused by the fungus Alternaria solani begins as dark circular spots on potato leaves as the plant matures.
If left untreated, it destroys leaves and greatly reduces tuber production.
Late blight, also caused by a fungus, is common when the growing season is cool and wet.
Potato leaves will develop black spots that turn black or yellow and fall off.
Fusarium wilt and verticillium wilt, difficult to distinguish in the home garden, but both cause the lower leaves of potato plants to turn yellow, droop and curl downwards.
Potato Plant Turning Yellow For The Virus
Potato leaves are light green and yellow due to mosaic virus. The leaves will eventually shrivel and the plant will die.
Potato Plant Turning Yellow For Overwatering or Underwatering
Potato plants are susceptible to moisture stress due to overwatering or underwatering.
They require moist soil to produce high yields and good quality potatoes, but overwatering causes tuber rot and yellowing of leaves.
The roots become waterlogged and cannot send moisture to the leaves.
Waterlogging causes the plant to struggle to move enough water through the vascular system and leaves turn yellow and fall off.
Potato Plant Turning Yellow For Soil Nutrition
Potatoes grow best in moderately acidic soils with a pH between 4.8 and 5.4.
An additional application should be made when the potato plant is about two feet in diameter.
Due to the lack of nutrients, the leaves turn yellow and the yield decreases and sometimes the plant dies.
Mature Plants
Potato plant leaves will turn yellow or brown as they mature. Potatoes take 100 to 120 days to mature on average, and tubers should be harvested when the vine dies.
How to help restore green by controlling potato leafhoppers If caught early, insecticidal soap and oil can get rid of potato leaf aphids and beetles.
it also commercial insecticides containing pyrethrins that can control pests, To be used according to company guidelines.
Potato Plant Turning Yellow For Disease Control
Early and late blight are best controlled by spraying plants with commercial chlorothalonil fungicides.
Unfortunately, there is no cure for either fungal wilt or mosaic virus.
Remove and dispose of diseased plants but do not compost these plants, as pathogens are spread through compost.
Potato Plant Turning Yellow For Water Properly
Potato plants need constantly moist soil, but not waterlogging of the roots.
Adjust to weather conditions and schedule irrigation to provide one to two inches of water per weeks.
Heavy soils need watering at least once every five to seven days, but sandy soils may require more frequent irrigation.
When the plants begin to turn yellow and the lower leaves begin to die, reduce the amount of water to prevent rotting of the tubers.
Potato Plant Turning Yellow For Provide Nourishment
Potatoes should be planted in nutrient rich soil and additional nutrients should be added during the growing season.
Five ways to keep potato leaves green like water Keep the soil constantly moist but not soggy.
Provide sufficient nutrients. Check the garden soil and add organic compost or a balanced NPK fertilizer.
Potato Plant Turning Yellow For Be Careful
Treat plants infested with pests to prevent spread and remove diseased plants from the garden.
Treat infested plants to prevent the spread of disease and remove diseased plants from the garden.
Here it is important to remember that prevention is better than cure. Therefore, infected plants or stems cannot be used as compost without treatment.
The best method of disposal is pitting underground or incineration.
Conclusion
Potatoes ought to be planted in nutrient-rich soil and extra supplements ought to be included amid the developing season.
Keep the soil continually wet but not saturated to guarantee green potato takes off.
Check the cultivate soil and include natural compost or an adjusted NPK fertilizer for adequate supplements.
Treat plagued plants to anticipate the spread of illness and evacuate ailing plants from the plant.
Contaminated plants or stems ought to not be utilized as compost without treatment.
The suggested strategies of transfer are setting underground or cremation.
Reference:
https://gardening.stackexchange.com/questions/56110/young-potato-plant-leaves-yellowing-at-base