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(darrowi and tenellum) and crown-forming species endemic
to moist habitats (atrococcum and caesariense) would require
a disturbed “interm ediate” habitat for survival. These dis
turbed habitats have been available for many years in the
Southeast as a result of grazing, lumbering, and clearing and
later abandonment o f farmland (4). Thus suitable habitats
have been available for the establishment of all possible hybrid
combinations between these 4 species, and with long-lived
perennials such as blueberries, a single hybrid plant has the
potential o f contribution to the gene pool o f the surrounding
Vaccinium population for many years.
Literature Cited
1. Aalders, L. E. and I. V. Hall. 1961. Pollen incompatibility and fruit
set in lowbush blueberries. Can. J. Genet. & Cytol. 3:300-307.
2. Baker, Philip C. 1970 . A systematic study o f the genus Vaccinium
L. subgenus Polyco dium (Raf.) Sleumer, in the southeastern United
States. PhD Dissertation. Univ. o f North Carolina, Chapel Hill.
3. Ballington, J. R. and G. J. Galletta. 1976. Potential fertility levels
in four diploid Vaccinium species. J. Amer. Soc. Hort. Sci. 101:
507-509.
4. Camp, W. H. 1942. On the structure of populations in the genus
Vaccinium. Brittonia 4:189-204.
5 .
____________
19 45. The North American blueberries with notes
on other groups o f Vacciniaceae. Brittonia 5:203-275.
6. Darrow, G. M. and W. H. Camp. 1945. Vaccinium hybrids and the
development of new horticultural material. Bui. Torrey Bot. Club.
72:1 -21.
7 .
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, H. E. Fisher, and H. Derman. 1944.
Chromosome numbers in Vaccinium and related groups. Bui. Torrey
Bot. Club. 71:498-51 6.
8. Galletta, G. J. 1975. Blueberries and cranberries, p. 15 4-196. In
J. Janick and J. N. Moore (eds.) Advances in Fruit Breeding. Purdue
University Press, Lafayette, Ind.
9. Hall, Susan H. and G. J. Galletta. 1971. Comparative chromosome
morphology of diploid Vaccinium species. J. Amer. Soc. Hort. Sci.
96:289-292.
10. Jelenkovic, G., and A. D. Draper. 1970. Fertility and chromosome
behavior of a derived decaploid o f Vaccinium. J. Amer. Soc. Hort.
Sci. 95:81 6-8 20.
1 1.
___________
a n d
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197 4. Crossability o f some diploid
species in Vaccinium. Hort Science 9:273 . (Abstr.)
12. Longley, A. E. 1927. Chromosomes in Vaccinium. Science 66:5 65-
568.
13. Meader, E. M., and G. M. Darrow. 1944. Pollination of the rabbiteye
blueberry and related species. Proc. Amer. Soc. Hort. Sci. 4 5:2 67-
274.
1 4.
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1947. Highbush blueberry pol
lination experiments. Proc. Amer. Soc. Hort. Sci. 49: 196-204.
15. Morrow, E. B. 1943. Some effects of cross-pollination vs. self-
pollination in the cultivated blueberry. Proc. Amer. Soc. Hort.
Sci. 42:469-472.
16. Rousi, A. 1966. Cytological observations on some species and hy
brids in Vaccinium. Zuchter/Genet. Breed, Res. 36:352-359.
17. Sharpe, R. H., and W. B. Sherman. 1971. Breeding blueberries for
low chilling requirement. HortScience 6:145-147.
18. Stebbins, G. L. 1950. Variation and evolution in plants. Columbia
Univ. Press, New York, N.Y.
19. Vander Kloet, S. P. 1972. The North American blueberries revisited:
a taxonomic study of Vaccinium section Cyanococcus Gray. PhD
Dissertation. Queen’s University. Kingston, Ontario, Canada.
20. Whitton, Lesley. 1964. The cytota xonomic status of Vaccinium
angustifolium Aiton in commercial blueberry fields o f Maine. PhD
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ERRATA
In the Table of Contents of the May issue of the Journal the name of L. Daley was mis
spelled in the listing of the article, Determination o f Irrigation and Fertilizer Practices for
Jade Plant [ Cra ssula argente a (L.) Thunb.]by J. Spooner, L. Daley, G. Ware, and M. Vines
[/. A mer. Soc. H or t. Sci. 103(3):306-308; 1978] due to a printer’s error. The name is cor
rectly spelled in the byline of the article itself.
* * *
In the paper, Effect of Nine Controlled-release Fertilizers on Chrysanthemum Growth
and Foliar Analysis by Govind C. Sharma and Ashwin J. Patel (J. Am er . So c. H or t. Sci. 103
(2): 148-150; 1978), the following correction should be made: The mean separation symbol
for high rate of OSC-A in Table 3 should be “a” instead of “b.” Also, in Table 4, MagZmP
should be read as MagAmP.
560 J. Amer. Soc. Hort. Sci 103(4):554—560. 1978.