Hostname: page-component-7bb8b95d7b-nptnm Total loading time: 0 Render date: 2024-10-04T05:14:19.691Z Has data issue: false hasContentIssue false
  • English
  • Français

Factors affecting the yield of seed produced by different varieties of red clover

Published online by Cambridge University Press:  27 March 2009

R. P. Hawkins
R. P. Hawkins
Affiliation:
National Institute of Agricultural Botany, Cambridge
Get access Rights & Permissions [Opens in a new window]

Extract

Yields of varieties of red clover were found to vary from year to year and relative to each other.

Apart from losses in harvesting the seed, which were not studied, yields of seed were found to be correlated with seed set, size of seed and numbers of heads in the crop. In 1958 the dominant factor affecting yields was Kabatiella.

Because of the value of seed set in indicating potential yield, its relation to other characters was studied. Data are given for length of corolla tube, numbers of positive pollinators and size of head as indicated by the number of florets, and their relationship to seed set and to one another.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 65 , Issue 2 , October 1965 , pp. 245 - 253
Copyright
Copyright © Cambridge University Press 1965

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Carlisle, E. (1955). Biometrical investigation of some European and other races of honey bees. Bee World, 36 (3), 41–5.CrossRefGoogle Scholar
Damisch, W. (1963). Über den Einfluss biologiseher Faktoren auf den Samensatz. (Effects of biological factors on seed setting in red clover.) Biol. Zbl., 82 (3), 303–41.Google Scholar
Goetze, G. (1956). Methodik der Selektion der Honigbiene auf Langriisseligkeit. Insectes Sociaux, 3 (2), 335–46.Google Scholar
Hawkins, R. P. (1956). A preliminary survey of red clover seed production. Ann. appl. Biol. 44 (4), 657–64.CrossRefGoogle Scholar
Hawkins, R. P. (1958).A survey of late flowering and singlecut red clover seed crops. J. Nat. Inst. Agric. Bot. 8, 450–61.Google Scholar
Hawkins, R. P. (1961). Observations on the pollination of red clover by bees. I. The yield of seed in relation to the numbers and kinds of pollinators. Ann. appl. Biol. 49, 55–61.CrossRefGoogle Scholar
Henriksen, C. C. & Hammer, O. (1957). Ot et forsog på at fremavle lengtungede bier. (An experiment in breeding long-tongued bees.) Nord. Bitiskr. 9 (1), 11–19.Google Scholar
Julen, G. (1947). Some problems in the breeding of herbage plants in Sweden J. Brit. Orassl. Soc. 2, 57–62.CrossRefGoogle Scholar
Kress, H. & Fuchs, A. (1959). Ueber den Ziichtungswert von Rotkleeformen. (The breeding value of red clover forms with short corolla tubes.) Z. Pflanzenz. 41, 167–94.Google Scholar
Sampson, K. (1928). Comparative studies of Kabatiella caulivorum (Kirchn) Karak and Colletotrichum trifolii Bain and Essaly, two fungi which cause red clover anthracnose. Trans. Brit, mycol. Soc. 13, 103–42.Google Scholar
Skovgaard, O. S. (1956). Den Kaukasiske honningbi søm rødkloverbestøver. (Causasian honey bees and red clover.) Tidsskr. Planteavl. 59 (5), 877–87.Google Scholar
Stapel, C. (1933). Undersagelser over Humbleier (Bombus Latr.) deres Udbredelse Traekplanter og Betydning for Bestøvningen af Rødkløver. (Trifolium pratense L). Tidsskr. Planteavl. 39, 193.Google Scholar
Starling, T. M., Wilsie, C. P. & Gilbert, N. W. (1950). Corolla tube length and studies in red clover. Agron. J. 42 (4), 1–8.Google Scholar
Valle, O. (1959). Pollination and seed setting in tetraploid red clover in Finland. Ada agr. fenn. 95 (4), 1–35Google Scholar
Valle, O. (1960). Pollination and seed setting in tetraploid red clover in Finland. Part II. Ada agr. fenn. 97, 1, 1–62.Google Scholar
Wilsie, C. P. & Gilbert, N. W. (1940). Preliminary results on seed setting in red clover strains. J. Amer., Soc. Agron. 32, 231–4.CrossRefGoogle Scholar