Where does the pecan tree grow in Texas?

Where does the pecan tree grow in Texas?

It has been proclaimed the state tree of Texas. The pecan is indigenous to a large area extending from the Mississippi River Valley on the east to the western branches of the Llano and San Saba rivers of Texas on the west, and from southern Illinois in the north to northern Mexico in the south.

What kind of bugs attack pecan trees in Texas?

There are three insects that attack the pecan nut and may require management every year in areas of Texas where they occur. These are the pecan nut casebearer, the pecan weevil, and the hickory shuckworm. These nut feeders have coevolved with the pecan. Significant sections of this program are devoted to understanding their biology and management.

Why are there so many problems with pecan trees?

Poor soil, tree crowding, weed control, irrigation, zinc foliar sprays, nitrogen fertilization, insect control and disease prevention become very important during high crop years such as 1993 and 1995. Some growers are lightly shaking their tree trunks on overcropped trees during the waterstage to reduce the crop size and prevent stress.

When is the best time to remove pecan trees in Texas?

The winter of 1995-96 will be an excellent time to remove trees because the 1996 crop is going to be very low in Texas. There are many disease which are serious problems for Texas pecan growers. Many destroy the foliage or the fruit; however, Cotton Root Rot kills the tree.

Is the pecan tree the state tree of Texas?

The pecan is the Texas state tree, being native to about 150 counties and capable of growing and producing in all Texas counties. The tree is popular for landscaping and as a source of nuts.

Why do so many pecan orchards fail in Texas?

Poor soil drainage is one of the most serious limiting factors in pecan orchards. More orchards fail in Texas because of undesirable soil than from any other factor, and unfortunately, manage- ment cannot correct or substitute for soil limi- tation.

What kind of soil do pecan trees need in Texas?

More orchards fail in Texas because of undesirable soil than from any other factor, and unfortunately, manage- ment cannot correct or substitute for soil limi- tation. Pecan trees can grow on very shallow soil, but for commercial production of more than 1,000 pounds per acre, the soil should be 32 inches deep or more.

How long does it take for pecan trees to crowd?

The initial tree spacing determines how soon crowding will occur in a pecan orchard. Many pecan orchards in Texas are planted at a spac- ing of 30 to 35 feet between trees (30 x 30; 35 x 35). Trees at such spacing crowd in 12 to 18 years after planting, depending on site, water and management inputs.