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Trends Plant Sci. 2002 May;7(5):199-203.

Hybrid seed production and the challenge of propagating male-sterile plants.

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Aventis CropScience N.V., Jozef Plateaustraat 22, B-9000, Gent, Belgium.


The introduction of hybrid crop varieties has enabled spectacular increases in productivity owing to hybrid vigor and increased uniformity. To produce hybrid seeds, a pollination control system is required to prevent unwanted self-pollination. In crop species with hermaphrodite flowers, this can be a major challenge. Over the past decade, new pollination control systems have been developed with the aid of genetic engineering, mainly based on the generation of nuclear-encoded male sterility. The successful application of these systems for large-scale hybrid seed production depends on whether the male-sterile female parent line can be multiplied efficiently and economically. In spite of its relevance, the propagation of the male-sterile line has often been overlooked in the development of pollination control systems.

[Indexed for MEDLINE]

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