Growth and Development of Horticultural Crops (1+1)

How do you increase source and sink activity

Source is increased by

• Recommended dose of fertilizer
• Application of growth regulating substance
• Proper irrigation
• Removal of diseased leaves
• Proper plant protective measures
Sink activity is increased by

• Pruning
• Thinning
• Clipping
• Removal of excess vegetative growth
• Dwarfing in the case of fruit crops (Applying growth retardants)
• Girdling
• Notching
• Bending
• Application of growth regulating chemicals (booster) at the time flowering, fruit settings, maturation and ripening.
• Application of micro nutrients at the time flowering, fruit settings