Ask a Question
Notify Me On Question Update
Email this Question
I have a Bartlett pear tree that has black spots on the leaves and holes chewed on some leaves and a few curled up leaves. Could you tell me what to spray for these problems?
Rate This FAQ
Your young peach tree could have suffered some winter dieback, especially if a lot of the branch tips are black. It could also have severe iron chlorosis or peach twig borer. If the latter, there are several chemicals you could use including Dipel, Sevin, Ortho Bug-B-Gone, Malathion, Concern Multi-Purpose, Ferti-Lome, Green Light, Natural Guard, or GF-120. A dormant oil spray with insecticide applied when the flower buds are swollen, but not opened is beneficial. The insecticide alone (no dormant oil added) should be applied between June 21 and 26th.
You also mentioned that the leaves are yellowing and turning brown. If the veins are a darker green color, you probably have iron chlorosis. Severe Iron chlorosis will cause the tree to die, starting at the ends of the branches. To correct this, you should watch your watering. In our alkaline clay soils, the water ties up the iron. You should also add chelated iron in the spring at leaf bud swell. By the time all the leaves are full size, adding the iron doesn't do much good.
If you brought in a sample of your branch, we could tell whether it is iron chlorosis, winter damage or twig borer. It does cost $1. and our office is open Mon-Fri 8-5. For further information, you can call us at 851-8462
Submit Your Suggestion
Other Questions In This Topic
- Please send me a list of what is recommended for gardening vegetables as far as the soil is concerned.
- I want to plant a lilac hedge. I've never done lilacs before - how far apart should I plant them? Can I do a double row for a thicker hedge? If so, how far apart should the rows be? How fast do they grow? Do they need special care (they will be pretty close to a fairly busy road)? Can I plant them now, or should I wait until it's a little warmer? What are their fertilizer and water requirements? Will they be useful as a bit of a wind- and soundbreak? Thank you.
- I have two questions, can I use weed killer around pine trees with out harming them? What is an effective way to keep cats from using the lawn and the flower beds as a litter box?
- What is the cost for a soil test?
- We have 2 honeylocust trees in our yard. I would guess "Imperial honeylocust". They seem to be about 15 years old or so. They are spaced about 20 feet apart. This spring one has leafed out and the other is still not budding or leafing out. Over the winter, the one that is not budding turned bright red on the trunk, which we have never seen before. The tree is getting a very few buds and leaves on some main branches (like suckers) but no buds or leaves on the outer limbs. Is there anything we can do to save this tree?
- I would like to have a live, potted evergreen as my Christmas tree, and then plant it in my yard. Must the decorated tree remain outside? What species of tree would you recommend?
- Hi, I just recently bought a house in Taylorsville in a older neighborhood. I have noticed some clover that is sort of a deep purplish color coming up all through my yard. What is it and how can I get rid of it?
- We tilled our garden and planted peas and lettuce about three weeks ago. Nothing has come up yet. We were talking to our neighbor yesterday, and he told us that about 30-40 years ago, in a fit of vexation, the former owner spread an industrial strength soil sterilizing chemical on the area in which we planted our garden. He further explained that weeds have only started to grow in that area in the past 5-10 years. This information has caused my wife to give up on trying to cultivate this area. Should we give up? What can we do to amend the soil in this area?