If you notice bare branches on your maple tree this spring or observe a sudden leaf drop, your tree may have an insect problem and the maple petiole borer may be the culprit. Although trees drop ...

Leaf arrangement is mainly limited to two basic petiole attachments: simple and compound. Compound leaves are further described as pinnately, palmately, and doubly compound. The Ultimate Guide to ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. The term "pinnate" comes from the Latin word pinnātus, meaning ...

but the most likely cause may be the leaf stalk borer or petiole borer. Both insects burrow into the leaf petiole in the spring, causing the leaves to fall. The larvae remain in the leaf when it ...

"The time of leaf drop depends on the cells that make up the abscission or separation zone at the base of the leaf petiole (stalk from the leaf that is attached to the twig).

Midrib Provides strength throughout the leaf, keeping it upright and sturdy in the wind. Petiole Attaches the leaf to the stem. A leaf usually has a large surface area, so that it can absorb a lot ...

A ZZ plant can be propagated through leaf cuttings, petiole cuttings, and division. Ahead, horticulturists explain how to ...

The insect is only about the size of an aphid and likes to hang out near the base of new leaf petioles. It can be identified by its unique habit of sticking its rear end up at a 45-degree angle.