The female lays its eggs on immature apple leaves during the … You might even see small They weren’t all that rosy, being more dark and looking like soot inside the curled leaves. This year, the tree flowered and actually got one apple (still tiny). @jroskey I think if you look at your first pic, on the right side, third set of leaves up from the bottom/ The one with brown edges. I thought this would clear up the problem, but no luck. I dont have any first hand experience with Kingston Black. There are several reasons for apple leaves to curl. Apples can have more than one problem at a time. They produced well until last year, when they got blistery leaf problems. My apple tree's leaves are curling up and I'm not sure why. This disease attacks all the aerial organs of the tree. I too think its (lack of water here). It's a new tree for us looked great about two weeks ago, I thought maybe it was just in shock from the planting. As populations grow, they can cause deformations including curling and cupping in leaves, as well as discoloration. No sign of aphids, and my leaf curl is concave rather than convex. If the fruits are shaped oddly, rather than spotted -- as happens with cedar-apple rust -- that may be a sign you have aphids instead of, or along with, cedar-apple rust. I think I was underwatering the trees, based on some extension calculators I’ve read on line, giving them only 5-10 gallons per week. Most other trees show some stress - hardened leaves curling upward, some yellow on new leaves, brown spots on outside of leaves. But the weather for the past month has been mostly rain. Apple trees will curl leaves upward in extremely hot conditions to reduce the amount of moisture lost because of respiration. The leaves of apple trees have certain characteristics such as falling in the winter, the shape of jagged at the edges, in some circumstances apple leaves can turn into brown. If the aphids are a yearly problem, apply dormant oil spray in late winter, which will smother eggs and larvae. Ellen Douglas has written on food, gardening, education and the arts since 1992. The Liberty, Jonagold, Gravenstein and Braeburn all have new growth that is turning brown and curling. Previously, she served as a communication specialist in the nonprofit field. The tree had good growth initially and added at least 4-5 inches. Your tree is in an extremely hot environment with rock and bare soil. The severe leaf curl under is only on my Kingston blacks. One of them is simply fall weather, and a natural part of the growth cycle of all deciduous trees. Because other pests and diseases can cause discolorations and misshapen leaves, make sure you've correctly identified the problem before you start treatment. Apple scab produced by the Venturia inaequalis. These eggs hatch into little sticky, yellowish maggots. It lives on fruit trees … Fungicidal sprays specifically targeted to cedar-apple rust are best applied on apple trees when they begin to blossom. If you plant new apple trees, choose rust-resistant types, such as "Cortland," "Baldwin," "Empire," "Jersey-Mac," "Red Delicious" and "McIntosh.". Apple trees typically have glossy, medium green leaves. It’s been very hot and dry here in Upstate New York. I.e. I am going to go with environmental stress (such as too much moisture). I have 7 trees and most have it to some degree or another, more so in the more recent growth. I’m seeing the same thing on my young apple trees this year and was looking for what it might be when I came across your photos. the apple leaves curling, one of these is the culprit. The females lay their eggs on the folds of apple leaves. All other 9 apple trees are fine. Leaf scorch is a condition that interferes with the balance of water input and output in a plant. If you spot them, spray your citrus tree with insecticidal soap or neem oil, making sure to coat areas where pests were spotted. My trees are doing fairly well this year. The adult is a small black-brown insect with clear wings. That’s what mine look like. First year it did not flower as expected, but showed curl on the leaves, but didn't look serious and leaves remained green till fall. I also have an apple tree … This year I will be spraying earlier and hoping that we don’t get an overly damp spring. Motts pink is unusual in that its leaves are silver and not as large as other varieties. Douglas has worked as a staff reporter for the Lakeville Journal newspaper group. My Mott’s Pink apple leaves are very curled. There are what looks like aphids inside that curl. Both nymphs and adults suck the fluids from new growth, which causes fresh leaves to be stunted or twisted. 4. 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