Hybrid Cotton Planting Seed

Dick Crill


 
ABSTRACT

A technique has been developed for the production of F1 Hybrid cotton planting seed. This technique uses a system of facultative pollen self-incompatibility where two different types of cotton cross-pollinate each other. At anthesis self-pollination occurs, but fertilization from the self-pollination is delayed due to facultative self-incompatibility. This time delay allows for cross-pollination and cross fertilization to take place before self-fertilization can be achieved. In the absence of cross fertilization, self-fertilization takes place thirty-six to forty-eight hours after anthesis. Hybrid cotton planting seed can be produced by mixing together two different facultative self-incompatible cotton lines and producing the crop with a continuous and abundant supply of cotton pollinating insects. The seed resulting from the cross pollinations during this crop production is Fl hybrid cottonseed.



Reprinted from Proceedings of the 1987 Beltwide Cotton Production Conference pp. 130 - 131
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998