Q.need to treat sticky leaves on indoor plants and citron
How to treat sticky leaves on indoor plants and citron?
Sticky leaves are almost always a sign of infestation by one of 2 or 3 kinds of bugs - aphids, scale, or mealybugs. If you look closely at your plants, you should be able to see the culprits sticking to the undersides of leaves and/or stems. There are several approaches to treatment, but the least invasive is spraying with a soap or soap and neem oil mixture. Be sure to spray weekly for 4 weeks. These articles have more information: https://www.gardeningknowhow.com/garden-how-to/info/what-is-honeydew.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/control-plant-scale.htm