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. 1971 Dec;100(4):303-8.
doi: 10.1007/BF00385194.

Studies in seed dormancy : VI. The effects of growth retardants on the gibberellin content and germination of chilled seeds of Corylus avellana L

J D Ross  1 , J W Bradbeer
Affiliations

Studies in seed dormancy : VI. The effects of growth retardants on the gibberellin content and germination of chilled seeds of Corylus avellana L

J D Ross et al. Planta. 1971 Dec.

Abstract

The germination at 20°, of hazel seeds which had been chilled, was significantly inhibited by 10(-4) M solutions of ABA and of five substances which are considered to be inhibitors of gibberellin synthesis, namely CCC, AMO 1618, Phosphon D, B-995 and C-011. When the endogenous gibberellins were extracted from chilled seeds which had been held at 20° for 7 days in the presence of 10(-4) M solutions of three of the most effective inhibitors of germination (Phosphon D, B-995 and C-011) it was found that gibberellin accumulation had been substantially inhibited. It is postulated that the inhibition of gibberellin synthesis inhibits the germination of previously chilled hazel seeds.

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