Techniques for Water Emasculation and Cut Seedstalk Pollination in Celery

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Abstract
Hybridization in celery is a difficult task faced by the breeder due to the complex floral biology. Celery flowers are hermaphroditic but protandrous and are arranged in compound inflorescences or umbels, formed by small groups of flowers or umbellets disposed in whorls (3). The different developmental stages of the flowers in the umbel makes it difficult to control pollinations effectively. Pollen from young flowers will pollinate old ones that have receptive stigmas in the same inflorescence or anywhere else on the plant. Honma (4) reported a useful technique for celery hybridization, which is the standard procedure used today by breeders. The accuracy of this method depends on the faithful drop of stamens before any of the stigmas become receptive; otherwise, accidental self-pollinations will occur.

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