Frequently Asked Pecan Questions

Many growers and home owners contact pecan scientists throughout the year with questions about their pecan trees. Frequently, those questions are very similar to or the same as questions that have been asked many times before.

Pecan Research-Extension Station faculty have created a list including some of those frequently asked questions and provided answers to those questions. The questions appear below as part of a page in the series: Frequently Asked Pecan Questions. To get to an answer for a question, simply click on the question of interest and you will be directed to a new page with the question and its answer. If you would just like to read through all of the questions and their answers, you can simply click next at the top of the question list to go from one question to the next. Provided answers may include pictures or links to other articles or websites that provide additional information on the topic in question.

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#	Title
1	Introduction
2	What is the difference between a pecan variety and a cultivar?
3	What is the difference between a seedling pecan tree and a native pecan tree?
4	What is a grafted pecan tree?
5	What is a pecan tree cross?
6	What is the difference between a protandrous tree and a protogynous tree?
7	Why do my pecan trees have a large crop followed by a small crop?
8	The shucks are splitting on my pecan tree and I’ve been removing the nuts as soon as possible to get them before the squirrels and crows. However, now my hands are stained a blackish brown color. Do you know any cleaner that will remove the stains?
9	I am thinking about planting some pecan trees behind my house. Is there a simple test I can do on the site to make sure the ground is suitable for planting pecan trees?
10	Why should I get a leaf analysis done on my pecan trees? When should I collect leaf samples?
11	When should I apply fertilizer?
12	How much fertilizer should I apply?
13	How long will it take for pecan trees to begin producing?
14	Where can I buy pecan trees?
15	What are the knots or balls that form on the leaves and stems of my pecan tree in the spring? Will they harm the tree?
16	My trees have a sticky substance on the leaves. What is it and will it harm the trees?
17	My leaves are getting yellow spots on them and the leaflets have begun to fall from the trees. What’s causing this?
18	What causes the large bag- or tent-like webs on my pecan trees each year? Will they kill the tree?
19	Every fall I notice that a large number of twigs have fallen to the ground under my pecan tree. Upon closer inspection it appears that the twigs were cut from the tree. What is the cause of this?
20	I have black spots on my leaves and nuts. What is causing it and how can I prevent it?
21	What fungicide is best to use for control of pecan scab?
22	When should fungicide be applied? Should I spray before or after a rainfall?
23	How can I tell if my trees have Pecan Bacterial Leaf Scorch?
24	Will Pecan Bacterial Leaf Scorch kill a pecan tree?

Posted on: 7/27/2006 3:56:22 PM

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