A - Human Necessities – 01 – H
Patent
A - Human Necessities
01
H
47/4, 195/47
A01H 1/02 (2006.01) A01G 7/00 (2006.01) A01H 4/00 (2006.01)
Patent
CA 1309367
5-16709/=/CGC 1314 An Efficient Method for Regenerating Cotton From Cultured Cells Abstract Method for producing pro-embryonic cotton cell masses in liquid sus- pension comprising the steps of: (a) inducing cotton callus formation by placing cotton plant tissue on a suitable callus induction medium at about 20° to 40°C with sufficient subcultures to prevent browning; (b) suspending up to 40 mg/ml of the callus in a suitable liquid pro- embryonic cell mass inducing medium comprising a relatively low concen- tration of at least one auxin until clumpy aggregates of pro-embryonic cell masses form and begin rapidly to proliferate; and (c) transfering the rapidly proliferating clumpy aggregates of pro- embryonic cell masses to a liquid nutrient medium capable of producing smaller, more finely dispersed pro-embryonic cell masses, said nutrient medium comprising a relatively high concentration of at least one auxin. The pro-embryonic cell masses are capable of regeneration into mature embryos, plantlets and whole plants.
583202
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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