Effect of combinations of chitosan (DPn 206) or chito-oligosaccharides (CHOS DPn30) and Switch on Botrytis cinerea infection of detached chickpea leaves.

Disease development was scored daily up to eight days after inoculation.aAll data are the mean of three replicates (each replicate contained three compound leaves with 6 inoculated leaflets) ± standard deviation.bThe AUDPC was used to calculate the protection index.cEobs/Eexp 1 indicates additivity; Eobs/Eexp>1 indicates synergy.dConidia in sterile water.eRecommended dose.