Rao et.al.

as least effective fungicide under field conditions

oxysporium f. sp. Ciceri causing gram wilt (Subhani

against purple blotch of onion which is in contrast

et al. , 2011). Curzate M8 was reported effective

with the present work where a benefit cost ratio

against Pseudoperenosporacubensis causing downy

of 16.25 was recorded. Efficacy of Propineb was

mildew of cucumber (Girija and Chethana, 2009) and

stated against A. alternata causing chrysanthemum

Sclerotiumrolfsii causing foot rot of Amorphophallus

leaf blight under field conditions (Arun Kumar et

(Mondal and Khatua 2013).

al., 2011). Propineb and Mancozeb were effective

against leaf spot of cauliflower caused by A. brassicae

Conclusion

(Mishra et al., 2009). Propineb, Copper oxychloride

Mancozeb 70% WP performed better in managing the

and Mancozeb were effective against Alternaria leaf

disease and enhancing the yield with a high benefit

spot of cotton (Bhattiprolu and Rao, 2014).

cost ratio. Alternatively Cymoxanil 8% + Mancozeb

Evaluation of new fungicide molecules, systemic

64% WP may be used, as the use of combination

fungicides in particular is essential for the effective

product will be a better choice in managing the

management of disease since the fungicidal

disease and also to overcome resistance development

resistance development was reported against the

in the pathogen.

pathogen (Mesta et al. , 2003). Mesta et al. , (2011)

reported the effectiveness of Difenconazole in

Acknowledgement

reducing PDI against Alternaria blight of sunflower.

The authors are thankful to the Director, Indian

Triademorph was reported to manage the leaf spot of

Institute of Horticulture Research, for providing

Indian bean caused by A. tenuissima (Fries) Wiltshire

facilities and support to carry out the work.

(Naik and Sabalpara, 2007). Undhad et al. , 2011

indicated effectiveness of Hexaconazole in reducing

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94