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Engineering Stress - Tolerant Cotton with High Quality Fiber

Robert G. McDaniel


 
ABSTRACT

A number of selection criteria, both agronomic, physiological, and biochemical have been utilized to judge advanced generation hybrid progeny of interspecific cotton crosses Hybrid seed from reciprocal crosses of selected upland Delta Pine Acala 90 (Gossympium hirsutum L.) and extra long staple Pima S-6 (Gossypium barbadense L.) have been carried to the F 7 generation, with both open and self pollinated progeny evaluated. Two advanced strains which exhibit superior fiber properties and competitive yields compared to the upland parent and superior stress tolerance (drought and heat) compared to the extra long staple parent have been selected, and are presently under evaluation in multi-location field tests. Several other promising "specialty" cotton germplasm sources have been identified among these advanced generation progeny segregants.



Reprinted from Proceedings of the 1997 Beltwide Cotton Conferences pp. 1413 - 1414
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998