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Disease management

Onion diseases  have always been an important factor for the loss. To combat these we need to identify the symptoms, understand the exact cause beneath and endeavour effective measures to irradicate the pathogen at the earliest as possible

 

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Pest management
It is important that onion Pest be recognized early in their development so that effective management strategies can be implemented. Thrips are the most important insect pests on onions. Adults are yellowish to yellowish brown with narrow wings 

 

 

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Harvesting and yield

Irrigation should be stopped 15 days before harvesting to check the growth and to enable the bulbs to become firm and compact.The crop will be ready for harvest when the leaves turn yellow.  The tops also fall at this stage.  After harvesting and field curing for drying of leaves, leaves are cut leaving 2.5cm at neck.  An average crop can yield up-to 20,000kg per hectare (8,000kg/acre).  A crop raised with care may yield up-to 35 to 45 tones/ha         

      

 

Seed rate & Sowing

Nursery management

Transplating

Broadcasting or drill sowing

Planting bulbs

Manures and fertilizers & Weeding

Irrigation and inter-culture

Harvesting and yield

Curing

Storage

 

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