The effect of <i>Coniothyrium minitans</i> on sclerotial viability of <i>Sclerotinia sclerotiorum</i> and <i>Ciborinia camelliae</i>

Authors

  • K.L. McLean
  • M. Madsen
  • A. Stewart

DOI:

https://doi.org/10.30843/nzpp.2004.57.6891

Abstract

The effect of Coniothyrium minitans on Sclerotinia sclerotiorum and Ciborinia camelliae sclerotial viability was determined on three different substrates sand soil and sawdust using fully factorial repeat experiments (Trials 1 and 2) In Trial 1 C minitans significantly reduced the number of viable S sclerotiorum sclerotia in sand (48) and sawdust (0) but not in soil (60) compared with the untreated sclerotia (92 64 and 88 respectively) after 8 weeks Although C minitans had no effect on C camelliae sclerotial viability the sawdust only treatment reduced viability to 0 after 4 weeks In the repeat experiment (Trial 2) C minitans had no effect on S sclerotiorum or C camelliae sclerotial viability although C camelliae sclerotial viability was again significantly reduced in the sawdust control treatment (812) compared with the sand and soil control treatments (>84) Coniothyrium minitans has some potential for biocontrol of S sclerotiorum but not of C camelliae Sawdust may be an option for use as an under plant mulch for control of C camelliae

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Published

2004-08-01

How to Cite

McLean, K.L., M. Madsen, and A. Stewart. “Gt”;. New Zealand Plant Protection 57 (August 1, 2004): 67–71. Accessed September 25, 2021. https://journal.nzpps.org/index.php/nzpp/article/view/6891.

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