***** willow tree has yellow spots on underside of leaves what is this?

Answer 1

What you have is Willow Rust. This is quite common at this time of year and is easily treatable with Bordeaux mixture. Spray the plant especially the underside of the leaves. Next year start spraying with bordeaux when the plant starts to bud up in order to prevent the rust from attacking the plant. When you spray if you have any mixture left over then spray the floor around the tree to kill off any rust spores that are on the ground.

Answer 2

Yellowish Spots and Dark Pustules on Leaf Undersides
Rust -Some rust diseases that are caused by fungi attack willow leaves. They are identified by lemon yellow spots on leaf undersides, that later develop into spore-bearing pustules. A severe infection will cause the willow leaves to drop. Although rust infections are not considered serious, they can defoliate young trees.

Go to your local nursery to find the best solution for this

Answer 3

It's rust. Buy a good fungicidle spray and treat according to the instructions. Must be something to do with all this wet weather,my bay trees have the same thing.

Answer 4

Willow rust

Answer 5

Dont know the name of this bug but I had this problem, tried everything and nothing worked. Eventually had to remove the tree. Hope you have better luck, miss me tree!

Answer 6

I am not sure but I think it could be down to some kind of spiders that's been attacking other trees.

Answer 7

a fungal infection, not the end but in need of a spray

Answer 8

moth eggs, when they hatch they will devour the leaves.

Answer 9

It is rust and is caused by a fungus.
☼

Answer 10

Now you know

Now I know.