Bulb splitting In Onion (physiological Disorder)
Causal:-
- Uneven irrigation of onion fields increases the incidence of this disorder.
- Fields that are over irrigated, allowed to dry completely and then over irrigated again often have many split bulbs.
- Bulb mites are frequenty associated with bulb splitting.
Symptoms:-
- The first symptom observed is the basal portion of bulb.
- Secondary growth of the affected bulb often occurs when several small bulbs protruded from the spilt basal portion.
Control:-
- Use uniform irrigation and fertilization practices to prevent phase of bulb spiltting.
- Use of slow growth of the onion bulb varieties can reduces the incidence of this disorder.
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