What to Do When Lemon Tree Leaves Turn Yellow? The Latest Solutions

Lemons taste extremely sour, and combined with their beauty-enhancing and skin-nourishing benefits, they are highly favored by women and pregnant women. In addition, they can be used to make seasonings, cosmetics, and medicines, making them widely useful. Rich in vitamin C, they help strengthen the stomach and relieve coughs, and they are planted extremely widely in our country. But many fruit growers have noticed the phenomenon of lemon tree leaves starting to turn yellow during cultivation. What is going on here? Come to QinNong Network and take a look at the causes of lemon tree leaves turning yellow.

1. Iron or nitrogen deficiency

Lemon trees show yellowing leaves when they lack iron or nitrogen, and it is fairly easy to confirm which element is missing. If iron is lacking, the leaf mesophyll tissue generally turns yellow; if nitrogen is lacking, the leaf veins turn yellow. So by observing carefully, you can distinguish well whether it is iron or nitrogen deficiency.

Solution: After identifying the issue, apply the corresponding fertilizer. If yellowing occurs at the seedling stage, pay attention to the concentration when fertilizing, so that the heat released during fertilizer decomposition does not damage the seedling roots. It is best to water when fertilizing, so the plant can absorb it quickly.

2. Malnutrition

As with iron and nitrogen deficiency, when the plant lacks nutrients, the nutrient supply cannot keep up after flowering, causing the leaves to turn yellow and drop.

Solution: When this happens, you can first spray a potassium dihydrogen phosphate solution. This solution is not only rich in the conventional elements nitrogen, phosphorus, and potassium, but also contains other trace elements, and can provide well for the needs of lemon tree growth.

3. Root rot

Improper watering and long periods of rainy weather cause excessive water accumulation in the soil, which easily leads to soil compaction and poor permeability. The lemon tree roots have difficulty breathing and their growth is hindered. These causes easily lead to root rot, and then the leaves begin to turn yellow. In severe cases, the lemon tree will die.

Solution: First dig out part of the root soil to check whether the roots are really rotten and how severe the rot is. If the rot is limited in scope, cut off the rotten roots from the tree body and apply a chemical agent to prevent pathogens from invading. After the wound recovers, it can be replanted. After replanting, be sure not to water too much or apply fertilizer at too high a concentration.

4. Pests and diseases

Many kinds of pests and diseases can cause lemon tree leaves to turn yellow, such as scab and canker. When they occur, small yellow spots appear on the leaves. The same is true for pest damage, which causes leaves to turn yellow.

Solution: Strengthen management in normal times and spray the corresponding chemical agents for prevention and control.

This is also what QinNong Network brings you on what to do when lemon tree leaves turn yellow. That is all for the content about lemon tree leaves turning yellow. We believe that after understanding the causes of lemon tree leaves turning yellow, you can solve it in time. For more agricultural knowledge, please stay tuned to QinNong Network.