OCCURRENCE OF ALTERNARIA LEAF SPOT DISEASE ON ALOE VERA AND ITS MANAGEMENT

Muhammad M Rasheed, Amer Habib, Mustansar Aslam, Zeeshan Mansha, Abdul Rehman, Kashifa Khaliq, Waqas Ashraf

Abstract


Aloe vera is a valuable medicinal crop of the world. It suffers from several diseases but among them alternaria leaf spot and dry rot is most serious fungal disease which effects the commercial production and quality losses to Aloe vera. A survey was conducted to estimate the prevalence of dry rot disease in different nurseries located in urban areas of Faisalabad. During this survey maximum disease incidence was recorded in Horti club nursery (100%) and minimum disease incidence recorded at Faiz baho nursery and Qadir baksh form (13.8%). Among in-vitro tested fungicides Score gives maximum mycelial growth inhibition (89.5%) and maximum disease control (17.7%) as compared to control and other tested chemicals. Among in-vitro tested plant extracts Neem gives maximum mycelial growth inhabitation (41.2%) and in green house gives 14.2% disease control. Out of four tested fungicides and plant extracts Score and Neem gives best results against A. alternata mycelial growth and disease control.


Keywords


Aloe vera; Fungicides; Plant extracts; A. alternata

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DOI: https://doi.org/10.33866/phytopathol.031.01.0396

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Copyright (c) 2019 Amer Habib

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Pakistan Journal of Phytopathological
ISSN: 1019-763X (Print), 2305-0284 (Online).
© 2013 Pak. J. Phytopathol. All rights reserved.