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Journal of Plant Disease Sciences
Year : 2008, Volume : 3, Issue : 2
First page : ( 169) Last page : ( 172)
Print ISSN : 0973-7456.

Occurrence and chemical control of acid lime dry root-rot in Andhra Pradesh

Gopal K., Gopi V., Sreenivasulu Y., Babu Prasad

Molecular Diagnosis Laboratory, Citrus Research Station, Acharya N.G. Ranga Agricultural University, Tirupati-517 502, (AP).

Abstract

The incidence of citrus dry root rot was assessed in 21 acid lime, 7 each of Rangpur lime and Rough lemon nurseries located in Kadapa, Chittoor and Anantapur districts of Andhra Pradesh (A.P). Highest incidence of 44% was recorded in Kodur followed by Anantharajpet (35.6%). The pathogen was identified as Fusarium solani. Root stock, Rough lemon was found highly susceptible to the disease (42.8%) compared to Rangpur lime (10.87%). Of the six fungicides tested, carbendazim (0.1%) could reduce the disease incidence up to 91.7%.

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Key words

Citrus, Dry root rot, Fusarium solani, Survey, Chemical control.

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