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Failure of benomyl, carboxin and fenaminosulf to control common bunt of wheat

Failure of benomyl, carboxin and fenaminosulf to control common bunt of wheat Wharton (6) indicated that one halo blight infected plant 8. Experimental design was a randomised block with 5 in 10,000 (0.01 %) could cause an outbreak of the disease, replicates and the experimental unit was a 3 m row (C. 150 while Taylor (5) deduced from his experiments that a 0.1% plants). At maturity the heads were harvested and ex­ seed stock infection could cause severe outbreaks in the amined for bunt. field. In the work reported here the seed stock infection The results in Table 1 show that the efficacies of and plant infection were 0.4% and 0.08% respectively for benomyl, carboxin and fenaminosulf were reduced when each disease, with surface sterilized seed in both cases. teliospores from benomyl-treated seed were used as in­ Thus the severe outbreaks of common and halo blight oculum. It appears that treatment of seed with benomyl which occurred on 'Eagle' recently at Orbost could be at­ has selected strains of the bunt fungi which cannot be tributed to the relatively high levels of seed infection. controlled with those seed dressings currently available in Australia. REFERENCES (1) Dye, D.W. (1962) - The inadequacy of the usual deter­ minative tests for the identification of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australasian Plant Pathology Springer Journals

Failure of benomyl, carboxin and fenaminosulf to control common bunt of wheat

Australasian Plant Pathology , Volume 6 (1) – Jan 23, 2011

Failure of benomyl, carboxin and fenaminosulf to control common bunt of wheat

Abstract

Wharton (6) indicated that one halo blight infected plant 8. Experimental design was a randomised block with 5 in 10,000 (0.01 %) could cause an outbreak of the disease, replicates and the experimental unit was a 3 m row (C. 150 while Taylor (5) deduced from his experiments that a 0.1% plants). At maturity the heads were harvested and ex­ seed stock infection could cause severe outbreaks in the amined for bunt. field. In the work reported here the seed stock infection The results in Table...
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References (13)

Publisher
Springer Journals
Copyright
Copyright
Subject
Life Sciences; Plant Pathology; Plant Sciences; Agriculture; Entomology; Ecology
ISSN
0815-3191
eISSN
1448-6032
DOI
10.1071/APP9770003
Publisher site
See Article on Publisher Site

Abstract

Wharton (6) indicated that one halo blight infected plant 8. Experimental design was a randomised block with 5 in 10,000 (0.01 %) could cause an outbreak of the disease, replicates and the experimental unit was a 3 m row (C. 150 while Taylor (5) deduced from his experiments that a 0.1% plants). At maturity the heads were harvested and ex­ seed stock infection could cause severe outbreaks in the amined for bunt. field. In the work reported here the seed stock infection The results in Table 1 show that the efficacies of and plant infection were 0.4% and 0.08% respectively for benomyl, carboxin and fenaminosulf were reduced when each disease, with surface sterilized seed in both cases. teliospores from benomyl-treated seed were used as in­ Thus the severe outbreaks of common and halo blight oculum. It appears that treatment of seed with benomyl which occurred on 'Eagle' recently at Orbost could be at­ has selected strains of the bunt fungi which cannot be tributed to the relatively high levels of seed infection. controlled with those seed dressings currently available in Australia. REFERENCES (1) Dye, D.W. (1962) - The inadequacy of the usual deter­ minative tests for the identification of

Journal

Australasian Plant PathologySpringer Journals

Published: Jan 23, 2011

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