CONTROL OF CHAMOMILE POWDERY MILDEW DISEASE USING POTASSIEN, CITRIEN AND CHITOSAN
El- Morsy, S., Shalaby, I. (2013). CONTROL OF CHAMOMILE POWDERY MILDEW DISEASE USING POTASSIEN, CITRIEN AND CHITOSAN. EKB Journal Management System, 4(11), 985-997. doi: 10.21608/jppp.2013.87665
S A. El- Morsy; I. A. Shalaby. "CONTROL OF CHAMOMILE POWDERY MILDEW DISEASE USING POTASSIEN, CITRIEN AND CHITOSAN". EKB Journal Management System, 4, 11, 2013, 985-997. doi: 10.21608/jppp.2013.87665
El- Morsy, S., Shalaby, I. (2013). 'CONTROL OF CHAMOMILE POWDERY MILDEW DISEASE USING POTASSIEN, CITRIEN AND CHITOSAN', EKB Journal Management System, 4(11), pp. 985-997. doi: 10.21608/jppp.2013.87665
El- Morsy, S., Shalaby, I. CONTROL OF CHAMOMILE POWDERY MILDEW DISEASE USING POTASSIEN, CITRIEN AND CHITOSAN. EKB Journal Management System, 2013; 4(11): 985-997. doi: 10.21608/jppp.2013.87665

CONTROL OF CHAMOMILE POWDERY MILDEW DISEASE USING POTASSIEN, CITRIEN AND CHITOSAN

Journal of Plant Protection and Pathology
Article 8, Volume 4, Issue 11, November 2013, Page 985-997  XML PDF (388.65 K)
Document Type: Original Article
DOI: 10.21608/jppp.2013.87665
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Authors
S A. El- Morsy1; I. A. Shalaby2
1Plant Pathol.Res. Instit, Agric. Res. Center, Giza, Egypt.
2Hort.Res.Inst. Agric. Res. Center, Giza, Egypt.
Abstract
The effect of three resistance inducers, i.e. chitosan, citrien and potassien were studied under both greenhouse (2009/2010) and field condition in 2010/2011 and 2011/2012 growing seasons to control powdery mildew disease caused by Sphearotheca fuliginea in chamomile (Matricaria chamomilla).Results showed that all used inducers had decreased disease severity compared to non-treated control. In this respect, chitosan showed the highest effect on decreasing disease severity followed by citrien. Meanwhile, potassien gave the lowest effect. The decrease in disease severity of powdery mildew was positively expressed by an increase in crop parameters, i.e numbers, inflorescences weights, fresh, dry weights of plants and the principal components of chamomile essential oil.
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