Hostname: page-component-7bb8b95d7b-nptnm Total loading time: 0 Render date: 2024-09-28T08:21:50.522Z Has data issue: false hasContentIssue false
  • English
  • Français

The Response of Wild Oat (Avena fatua) and Avena sterilis Accessions to Photoperiod and Temperature

Published online by Cambridge University Press:  12 June 2017

Carol N. Somody ,
John D. Nalewaja  and
Stephen D. Miller
Carol N. Somody
Affiliation:
North Dakota State Univ., Fargo, ND 58105 CIBA-GEIGY, Greensboro, NC
John D. Nalewaja
Affiliation:
North Dakota State Univ., Fargo, ND 58105
Stephen D. Miller
Affiliation:
North Dakota State Univ., Fargo, ND 58105
Get access Rights & Permissions [Opens in a new window]

Abstract

Twenty-nine wild oat (Avena fatua L. ♯3 AVEFA) and Avena sterilis L. ♯ AVEST accessions having various areas of origin and/or growth characteristics were grown to maturity in controlled environmental chambers. The four environments consisted of a 16-h photoperiod until 3 weeks after emergence, when the photoperiod was decreased (DP) 1 h per week for 8 weeks at a constant 14, 20, or 26 C (DP 14, DP 20, or DP 26); and an 8-h photoperiod until 3 weeks after emergence, when the photoperiod was increased (IP) 1 h per week for 8 weeks at a constant 20 C (IP 20). The relative growth rate of the accessions was similar in each environment. The length of the second leaf was up to 15 cm greater under 8- than 16-h day length at 20 C for some accessions, but was similar under both day lengths for other accessions. The width of the second leaf was greater under 14 than 20 C and was narrower with a 16-h than an 8-h photoperiod. Tiller initiation was slower in the DP 14 and IP 20 than in the DP 20 and DP 26 environments. Days to panicle emergence for individual accessions ranged from 10 to 57 days higher in the DP 14 than in the DP 20 environment. Seed produced on plants grown at 14 C had lower germination in water and 1500 ppm gibberellic acid than seed from plants grown at 20 C. Wild oat accessions varied in morphological characteristics, days to panicle emergence, and dormancy, and responded differently to changes in photoperiod and temperature. Wild oat morphological characteristics, days to panicle emergence, and dormancy did not consistently relate to species or area of origin.

Keywords

Morphologyseed dormancygrowth ratepanicle emergenceAVEFAAVEST
Type
Weed Biology and Ecology
Information
Weed Science , Volume 32 , Issue 2 , March 1984 , pp. 206 - 213
Copyright
Copyright © 1984 by the Weed Science Society of America 

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

Literature Cited

1. Burt, G. W. 1974. Adaptation of Johnsongrass. Weed Sci. 22:59–63.CrossRefGoogle Scholar
2. Griffiths, D. J. 1961. The influence of different daylengths on ear emergence and seed setting in oats. J. Agric. Sci. 57:279–288.CrossRefGoogle Scholar
3. Huskins, C. L. 1946. Fatuoid, speltoid, and related mutations of oats and wheat. Bot. Rev. 12:457–514.CrossRefGoogle Scholar
4. Kommedahl, T., DeVay, J. E., and Christensen, C. M. 1958. Factors affecting dormancy and seedling development in wild oats. Weeds 6:12–18.CrossRefGoogle Scholar
5. Miller, S. D., Nalewaja, J. D., and Mulder, C. E. G. 1982. Evaluation of morphological and physiological variation in wild oat. Agron. J. 74:771–775.CrossRefGoogle Scholar
6. Marrow, L. A. and Sealy, D. R. 1983. Growth characteristics of wild oat (Avena fatua) in the Pacific Northwest. Weed Sci. 31:226–229.CrossRefGoogle Scholar
7. Peters, N. C. B. 1982. The dormancy of wild oat seed (Avena fatua L.) from plants grown under various temperature and soil moisture conditions. Weed Res. 22:205–212.CrossRefGoogle Scholar
8. Richardson, S. G. 1979. Factors influencing the development of primary dormancy in wild oat seeds. Can. J. Plant Sci. 59:777–784.CrossRefGoogle Scholar
9. Sexsmith, J. J. 1967. Varietal differences in seed dormancy of wild oats. Weeds 15:252–255.CrossRefGoogle Scholar
10. Sexsmith, J. J. 1969. Dormancy of wild oat seed produced under various temperature and moisture conditions. Weed Sci. 17:405–407.CrossRefGoogle Scholar
11. Thurston, J. M. 1957. Morphological and physiological variation in wild oats (Avena fatua L. and A. ludoviciana Dur.) and in hybrids between wild and cultivated oat. J. Agric. Sci. 49:259–274.CrossRefGoogle Scholar
12. Thurston, J. M. 1962. An international experiment on the effect of age and storage conditions on viability and dormancy of Avena fatua seeds. Weed Res. 2:122–129.CrossRefGoogle Scholar
13. Wilson, B. J. and Cussans, G. W. 1972. The effect of autumn cultivations on the emergence of Avena fatua seedlings. Proc. Br. Weed Control Conf. 11:234–241.Google Scholar