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Management of mango decline using thiophanate methyl and plant activators through a macro infusion system

Arif, A. M. and Hussain, N. and Ahmad, I. and Malik, M. T. and Bally, I. S. E. (2015) Management of mango decline using thiophanate methyl and plant activators through a macro infusion system. Acta Horticulturae, 1105 . pp. 35-38. ISSN 0567-7572

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Article Link(s): http://dx.doi.org/10.17660/ActaHortic.2015.1105.5

Abstract

Mango decline disease has become a major cause of tree losses of about 7-10% in all mango growing areas of Pakistan. This study evaluated the effectiveness of plant activators used in conjunction with the fungicide thiophanate methyl in managing mango decline disease. The study was conducted in the Multan district using trees rated as 1-2 on a decline severity scale and displaying symptoms of gummosis, bark splitting, canker formation, and leaf drooping. Experimental treatments included three plant activators viz. Bion, Planofix, and Root king in conjunction with or without thiophanate methyl, delivered through a macro infusion system. This was the first time a macro infusion system had been used in Pakistan. The injection system delivered the fungicide/activator mixture into the tree trunk under pressure through a series of holes bored into the xylem tissue. Tree disease symptoms were recorded fortnightly to assess the treatment efficacy. After three months, thiophanate methyl, in combination with Bion, was found to be the most effective treatment with trees displaying no apparent disease symptoms. When thiophanate methyl was used alone, or in combination with Root king and Planofix, the symptoms of bark splitting and gummosis persisted.

Item Type:Article
Business groups:Horticulture and Forestry Science
Subjects:Plant culture > Food crops
Plant culture > Fruit and fruit culture
Plant pests and diseases > Pest control and treatment of diseases. Plant protection
Deposited On:09 Feb 2016 01:38
Last Modified:19 Jul 2016 04:31

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