The Effect of Freezing Temperatures on Microdochium majus and M. nivale Seedling Blight of Winter Wheat

Joint Authors

Haigh, Ian M.
Hare, Martin C.

Source

International Journal of Agronomy

Issue

Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-5, 5 p.

Publisher

Hindawi Publishing Corporation

Publication Date

2012-04-01

Country of Publication

Egypt

No. of Pages

5

Main Subjects

Agriculture

Abstract EN

Exposure to pre-emergent freezing temperatures significantly delayed the rate of seedling emergence (P<0.05) from an infected and a non-infected winter wheat cv.

Equinox seed lot, but significant effects for timing of freezing and duration of freezing on final emergence were only seen for the Microdochium-infested seed lot.

Freezing temperatures of −5∘C at post-emergence caused most disease on emerged seedlings.

Duration of freezing (12 hours or 24 hours) had little effect on disease index but exposure to pre-emergent freezing for 24 hours significantly delayed rate of seedling emergence and reduced final emergence from the infected seed lot.

In plate experiments, the calculated base temperature for growth of M.

nivale and M.

majus was −6.3∘C and −2.2∘C, respectively.

These are the first set of experiments to demonstrate the effects of pre-emergent and post-emergent freezing on the severity of Microdochium seedling blight.

American Psychological Association (APA)

Haigh, Ian M.& Hare, Martin C.. 2012. The Effect of Freezing Temperatures on Microdochium majus and M. nivale Seedling Blight of Winter Wheat. International Journal of Agronomy،Vol. 2012, no. 2012, pp.1-5.
https://search.emarefa.net/detail/BIM-465664

Modern Language Association (MLA)

Haigh, Ian M.& Hare, Martin C.. The Effect of Freezing Temperatures on Microdochium majus and M. nivale Seedling Blight of Winter Wheat. International Journal of Agronomy No. 2012 (2012), pp.1-5.
https://search.emarefa.net/detail/BIM-465664

American Medical Association (AMA)

Haigh, Ian M.& Hare, Martin C.. The Effect of Freezing Temperatures on Microdochium majus and M. nivale Seedling Blight of Winter Wheat. International Journal of Agronomy. 2012. Vol. 2012, no. 2012, pp.1-5.
https://search.emarefa.net/detail/BIM-465664

Data Type

Journal Articles

Language

English

Notes

Includes bibliographical references

Record ID

BIM-465664