Hostname: page-component-586b7cd67f-t8hqh Total loading time: 0 Render date: 2024-11-24T04:54:58.030Z Has data issue: false hasContentIssue false
  • English
  • Français

The effect of plant spacing on grain yield of tall and short sorghum in Nigeria

Published online by Cambridge University Press:  27 March 2009

P. R. Goldsworthy  and
R. S. Tayler
P. R. Goldsworthy
Affiliation:
Institute for Agricultural Research, Ahmadu Bello University, Samaru, Zaria
R. S. Tayler
Affiliation:
Institute for Agricultural Research, Ahmadu Bello University, Samaru, Zaria
Get access Rights & Permissions [Opens in a new window]

Summary

The grain yield, head structure and components of yield of a Nigerian long-season sorghum (Farafara) and an American hybrid short-season type (NK 300) were compared at three populations. The effect of thinning at initiation and at heading was also examined.

At each population, the grain yield per plant of NK 300 was larger than that of Farafara, mainly due to differences in the number of grains per head. This factor was also the main one responsible for a decline in yield per plant with increase in population. At all populations, Farafara plants showed an appreciable increase in stem weight after heading.

The results from the thinning treatments suggest that the main difference between the two varieties is in the number of spikelets present at head emergence: the number and/or potential size of developing grains in Farafara appeared to be largely determined by the time of initiation and was probably too small to accept all the currently produced assimilate.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 74 , Issue 1 , February 1970 , pp. 1 - 10
Copyright
Copyright © Cambridge University Press 1970

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

REFERENCES

Allison, J. C. S. & Watson, D. N. (1966). The production and distribution of dry matter in maize after flowering. Ann. Bot., N.S. 30, 365–81.CrossRefGoogle Scholar
Archbold, H. K. (1945). Some factors concerned in the process of starch storage in the barley grain. Nature, Lond. 156, 70–3.CrossRefGoogle Scholar
Cobley, L. S. (1956). An Introduction to the Botany of Tropical Crops. London: Longmans, Green.Google Scholar
Curtis, D. L. (1966). Sorghum in Northern Nigeria. Ph.D. thesis, University of Reading.Google Scholar
Curtis, D. L. (1967). The races of sorghum in Nigeria: their distribution and relative importance. Expl Agric. 3, 275–86.CrossRefGoogle Scholar
International Rice Research Institute (1966). Growth and yield. I.R.R.I. Reporter 2, No. 3.Google Scholar
Jeater, R. S. L. (1956). A method of determining developmental stages in grasses. J. Br. Grassld Soc. 11, 139–46.CrossRefGoogle Scholar
Moss, D. N. (1962). Photosynthesis and barrenness. Crop Sci. 2, 366–7.CrossRefGoogle Scholar
Nösberger, J. & Thorne, G. N. (1965). The effect of removing florets or shading the ear of barley on production and distribution of dry matter. Ann. Bot., N.S. 29, 635–45.CrossRefGoogle Scholar
Ryle, G. J. A. (1961). Effects of light intensity on reproduction in S. 48 Timothy (Phleum pratense L.). Nature, Lond. 191, 196.CrossRefGoogle Scholar
Ryle, G. J. A. (1964). The influence of date of origin of the shoot and level of nitrogen on ear size in three perennial grasses. Ann. appl. Biol. 53, 311–23.CrossRefGoogle Scholar
Ryle, G. J. A. (1966). Physiological aspects of seed yield in grasses. In: The Growth of Cereals and Grasses. (Ed. Milthorpe, F. L., and Ivins, J. D.) London: Butterworths.Google Scholar
Steele, W. M. (1964). Physiological studies on sorghum. Unpublished report. Inst. Agric. Res. Samaru.Google Scholar
Tanaka, A. & Kawano, K. (1965). Leaf characters relating to nitrogen response in the rice plant. Soil Sci. Pl. Nutr. 11, 251.Google Scholar
Tanaka, A. & Kawano, K. (1966). Effect of mutual shading on dry matter production in the tropical rice plant. Pl. Soil 24, 128–44.CrossRefGoogle Scholar
Thorne, G. N. (1963). Distribution of dry matter between ear and shoot of Plumage Archer and Proctor barley grown in the field. Ann. Bot., N.S. 27, 245–52.CrossRefGoogle Scholar
Thorne, G. N. (1965). Photosynthesis of ears and flag leaves of wheat and barley. Ann. Bot., N.S. 29, 317–29.CrossRefGoogle Scholar
Verega, B. S., Lilis, R. & Tanaka, A. (1965). Studies of the internode elongation of the rice plant. I. Relationship between growth duration and internode elongation. Soil Sci. Pl. Nutr. 11, 246–50.Google Scholar
Watson, D. J., Thorne, G. N. & French, S. A. W. (1963). Analysis of growth and yield of winter and spring wheats. Ann. Bot., N.S. 27, 1–22.CrossRefGoogle Scholar