Pecan tree leaves will have an alternate leaf arrangement. This tree has a terminal leaflet with 11 to 17 slightly sickle-shaped leaflets. Identification Tip: ...

Pecan Trees in Austin, Tx Prematurely Losing Their Leaves. By MARILYN KIRCUS , Lady Bird Johnson Wildflower Center, UT Sep 3, 2010 Question: Why are the leaves on the pecan trees falling so early ...

There are many trees and shrubs with pinnately compound leaves in North America, including hickory, walnut, pecan, ash, boxelder, black locust, and honey locust (which is bipinnate).

Pecan leaf phylloxera, Phylloxera notabilis, is a tiny aphid-like insect that feeds on foliage of pecan trees. You can only see the insects under a microscope because they are so tiny.

Leaves of pecan trees typically intercept 65% to 70% of available sunlight with up to 95% light interception in overcrowded, unpruned orchards; less light naturally affects photosynthesis.

A: Those are pecan phylloxera galls and they're basically harmless to the tree overall. They'll knock some of the leaves off, but the tree will move on just fine.

As a result, the trees are dropping leaves. I looked at a few backyard pecan trees while visiting a homeowner recently Most of the leaves dropping had black spots on the leaves.

Q. I have a large pecan tree in my small backyard. Are the leaves good mulch for the grass? What about for the flower beds? A. Don't use the leaves as mulch on the grass unless you mulch-mow them ...

Nitrogen on the other hand is not well absorbed in the leaves and is most effective when applied to the ground and watered into the roots. Apply 1lb of ammonium sulfate (21-0-0) per inch of trunk ...

When planting pecan trees or any other trees, do not put fertilizer in the planting hole. Wait until March and again in June to apply a light application of 10-10-10 plus micro-elements.

Their branches form a more narrow canopy than what you might see in a pecan or oak tree. A cedar elm's leaves are about 1-2.5 inches long, and the leaves can turn gold to orange-red in the fall.

Cooler weather, especially winter, is perfect for planting trees and shrubs in south Louisiana. Planting in winter gives the trees several months to establish roots before they begin active above ...