Effects of gibberellic acid and streptomycin on pollen germination and ovule and seed development in muscat bailey A

Paulo H. Kimura, Goro Okamoto, Ken Hirano

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Experiments were conducted on cv. Muscat Bailey A (Vitis vinifera x Vitis labrusca) to study the activity of SM on ovule development, pollen germination and pollen tube growth with regard to seedlessness induction. Clusters were dipped in either GA 100 ppm, SM 200 ppm or in a combination of GA + SM at different dates during pre-bloom stage. Pollen germination and pollen tube growth were severely inhibited by GA while inhibition on ovule development was less expressive. SM added to GA solutions improve seedlessness of Muscat Bailey A when applied one to two weeks before anthesis. Pollen germination and pollen tube growth were not affected when clusters were treated with SM alone. Ovule size and internal structure did not differ between SM treated clusters and the control clusters till the blooming date. Periodical sampling and analysis of ovules showed that the effect of SM on ovule development became apparent after anthesis. SM inhibited endosperm formation, resulting in production of empty seeds of variable sizes.

Original languageEnglish
Pages (from-to)152-156
Number of pages5
JournalAmerican Journal of Enology and Viticulture
Volume47
Issue number2
Publication statusPublished - 1996

Fingerprint

Oman
Ovule
pollen germination
Streptomycin
Germination
streptomycin
Pollen
seed development
gibberellic acid
ovules
Seeds
Pollen Tube
pollen tubes
seedless varieties
Vitis
Growth
flowering
Vitis labrusca
Endosperm
seed crop production

Keywords

  • Embryo sac
  • Endosperm
  • Gibberellin
  • Grape seedlessness
  • Pollen tube
  • Streptomycin

ASJC Scopus subject areas

  • Food Science
  • Horticulture
  • Biotechnology

Cite this

Effects of gibberellic acid and streptomycin on pollen germination and ovule and seed development in muscat bailey A. / Kimura, Paulo H.; Okamoto, Goro; Hirano, Ken.

In: American Journal of Enology and Viticulture, Vol. 47, No. 2, 1996, p. 152-156.

Research output: Contribution to journalArticle

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