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ARS Home » Plains Area » College Station, Texas » Southern Plains Agricultural Research Center » Crop Germplasm Research » Research » Publications at this Location » Publication #232772

Title: Should we breed for early nut-maturity to cure alternate bearing in pecan?

item Thompson, Tommy

Submitted to: Northern Nut Growers Association Proceedings
Publication Type: Proceedings
Publication Acceptance Date: 8/11/2008
Publication Date: N/A
Citation: N/A

Interpretive Summary: According to the Matrix, this is not required for a proceedings!

Technical Abstract: This paper outlines the scientific basis and justification for the operation of the USDA Pecan Breeding Program to produce superior new cultivars that are given names of Native American peoples, and released for planting in new pecan orchards or older orchards under renovation. There has been constructive debate recently questioning the long held philosophy by the author that the foliation period after nut development in the fall contributes to uniform bearing from year to year, and decreases the alternate bearing syndrome that this crop is so noted for. The paper examines the debate, and relies upon published results to justify selection for early nut maturity and leaf health late in the season, both of which contribute to the levels of carbohydrate stored in the trees during the winter.