I have two nice lemon trees in the garden. the leaves are curling and drying. When I water the tree hundreds of little moths swarmDeiva
Try a few treatments with neem oil or a horticultural spray. Here are some tips:
https://www.gardeningknowhow.com/edible/fruits/citrus/curling-citrus-leaves.htm
https://www.gardeningknowhow.com/edible/fruits/lemons/pests-of-lemon-trees.htm
The leafs of my lemon tree suddenly change color and turn try, can someone figure out what's wrong with it? is it too much fertilizer or water?
Likely, both! Luckily, you can test that for yourself.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/test-soil-for-pests-and-diseases.htm
https://www.gardeningknowhow.com/edible/fruits/lemons/growing-lemon-trees-containers.htm
You mention on your article, (You must spray when the flowers have just formed but before fruits begin to take shape.) What exactly do you spray on the flowers of a lemon tree to sterilize? Sal
Chemicals that you can obtain, as a civilian, but should not be able to because of extraordinary concerns to the environment and yourself. Please seek the help of your nearest extension service, as they should have people there that are trained to handle such dangerous hormones.
However, should you still want to take on the health and legal risks that come with using the chemicals, the names of them are in the very last paragraph on the article that you read.
This article will help you with plant hormone information:
https://www.gardeningknowhow.com/garden-how-to/info/plant-growth-regulator-information.htm
I am from India; we cultivate lemons.
This looks like Brown Rot, caused by Phytopthora. This is common in thick clay soils, so extra care must be taken not to overwater. Trees should not be watered until the soil dries, thoroughly, down to about 5 to 8 cm.
Treatment with fungicides will be necessary. This article will help:
https://www.gardeningknowhow.com/edible/fruits/citrus/citrus-fruit-brown-rot.htm
This is for my science fair and i need help because i have an interview due
We answer general gardening-related questions and don't have the expertise to tackle science and geology. I suggest seeking out a science teacher at your school or nearby school.
Now that the tree has ripe fruit, I would like to eat. But I forgot what they fed the tree with to keep the bugs away and I'm concerned it will affect me. When I looked the insecticide up initially, it did not look good, but I cannot remember what it was - and cannot locate any info at this time about the company that shipped. I am organic and I never sprayed or fertilized the tree. Thanks for whatever help you can lend. Even suggest what they might have used for pest control.
It likely was a systemic fungicide or insecticide. Without knowing what it was, though, I would hate to guess about its safety. However, the government has strict guidelines on what growers can apply to edibles before selling. And the label would tell how much time must pass between application and consumption. If you can find the company's name you can give them a call.
Here are a couple of articles on systemic pesticides that may help:
https://citybugs.tamu.edu/2010/06/07/systemi/
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/systemic-pesticide-in-gardens.htm
Please, see pictures & help me treat my tree. Thanks!
It may be a pH imbalance. That, or the soil may be too compact to suit the tree. This can appear as deficiency and pH imbalances, since it will cause the same issues by suffocating roots.
There are a few things that you should test. These articles will help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
Your local extension can help, as well: