Major Diseases	Chemicals used	Dosage	Mode of action	Any other methods like IPM,biological control,etc
lemon Powdery mildew	a)      dinocap b)      tridemorph	0.25%/ac 0.05%/ac	Contact Contact	Water shoots should be pruned.
Lemon canker	a)      copper oxychloride b)      steptocyclin	0.3%/ac   100ppm/ac	systemic   systemic	Spray neem cake solution
Lemon armilllaria root rot	a) methyl bromide	350-450 lb/acre	systemic	Infected trees are removed
Lemon bacterial blast	a)bordeaux	10-25gal/tree	systemic	Planting wind breaks and using bushy cultivars
Lemon botryitis rot	a)bordeaux	10-25gal/tree	Contact	Avoiding mechanical injury and pruning regularly
Lemon brown rot	Zinc sulphate-copper sulphate-hydrated lime Fosetyl-al	10/24gal/tree     5lb/acre	systemic	Pruning tree skirtsor 24 inches above from the ground
Lemon dry rot rot	a)benzimidazole	0.5%/ac	systemic	Biocontrol with tricordema
Lemon phytophthora gummosis	a)foestyl-al   b)mefanoxam	2.5-5 lb/5gal   1qt/3gal	Contact systemic	The first lateral are covered with soil
Lemon septoria spot	Zinc sulphate-copper sulphate-hydrated lime	10-25 gal/tree	systemic	Apply  a preventive copper spray
Lemon alternaria rot	a)benomyl b) bordeaux	0.5%/ac 10-25 gal/tree	systemic Contact	Preventing stress & damaging of fruits
Lemon pink disease	a)Benzimidazole	0.5%/ac	systemic	Pruning of infected & dried branches.