Informatics Publishing Limited

J. K. Sharma , C. Mohanan

Abstract

Rainfall had great influence on the severity of Cylindrocladium leaf blight, which was further intensified when an intercrop (taungya) of Manihot utilissima Pohl. was cultivated in a 2-yr-old plantation of Eucalyptus tereticornis. High severity of the disease was positively correlated with high rainfall pattern; apparently high relative humidity had little impact on disease severity.

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C. Mohanan , J. K. Sharma

Abstract

Diseases of Casurina equisetifolia in nurseries and trial plantations in southern states of India are reported. Rhizoctonia solani causing seedling blight, stem canker and ischolar_main rot (nurseries) and branch canker and foliage infection caused by Phomopsis casuarinae, pink disease caused by Corticium salmonicolor (trial plantation) are new record from India. Application of Vitavax (0.05% a.i.) in nurseries effectively controlled the diseases caused by R. solani.

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