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Stino,, R., Attala, E. (2003). EFFECT OF PLANTING ZONE ON PATTERN OF ANNA APPLE FLORAL BUD DORMANCY IN EGYPT. Journal of Plant Production, 28(2), 1291-1299. doi: 10.21608/jpp.2003.245528
R. G. Stino,; Eman S. Attala. "EFFECT OF PLANTING ZONE ON PATTERN OF ANNA APPLE FLORAL BUD DORMANCY IN EGYPT". Journal of Plant Production, 28, 2, 2003, 1291-1299. doi: 10.21608/jpp.2003.245528
Stino,, R., Attala, E. (2003). 'EFFECT OF PLANTING ZONE ON PATTERN OF ANNA APPLE FLORAL BUD DORMANCY IN EGYPT', Journal of Plant Production, 28(2), pp. 1291-1299. doi: 10.21608/jpp.2003.245528
Stino,, R., Attala, E. EFFECT OF PLANTING ZONE ON PATTERN OF ANNA APPLE FLORAL BUD DORMANCY IN EGYPT. Journal of Plant Production, 2003; 28(2): 1291-1299. doi: 10.21608/jpp.2003.245528

EFFECT OF PLANTING ZONE ON PATTERN OF ANNA APPLE FLORAL BUD DORMANCY IN EGYPT

Article 26, Volume 28, Issue 2, February 2003, Page 1291-1299  XML PDF (6.06 MB)
Document Type: Original Article
DOI: 10.21608/jpp.2003.245528
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Authors
R. G. Stino,1; Eman S. Attala2
1Faculty of Agric, Cairo University
2Hort. Res. Institute, A.R.C., Giza
Abstract
Resulls of forcing laterat florat appte buds taken from three distinct zones of
Egypt i.e. North Delta (N.D.), South Delta (S.D.). and West Delta (W.O.) CIt various
dates of autumn and winter of both 1998 - 1999 & 1999 - 2000 seasons in a forcing
chamber at 25 ± 2 were discussed. Accumutated chilling units (CU) and G.O.D. were
computed till various dates of study. No deep end - dormancy that can be broken with
accumulated chilling could be detected in the three zones. However. it was noticed in
Ihe three zones in tn.,. first season and (N.D.) in the second, :hat buds were dormant
during this period and accumulaled chitling was lower than the previously determined
to break endo - dormancy. this case of dormancy might be related 10 incomplete
formation of the essential organs in the flowers, which was completed afterwards in
response to accumulated G.D.D. Buds weight and total carbohydrates increased
during dormancy period. However ,buds dormancy in the field is mainly caused by
other types as paradormancy or ecodormancy.
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