Okra is an important vegetable all over world. If you okra cultivated then many pest attack then how to manage this pest I will be writing okra pest control this article is given below-
Okra pest control with management method
The adult hoppers are greenish yellow during summer while reddish in winter. They are wedge shaped. Both the nymphs and adults suck sap from the leaves and tender plant parts and secrete some toxic material. The leaves turn pale and curl upward. The leaves exhibit a burnt appearance and fall down in case of service infestation.
i) Spray once or twice at fortnight interval with 1.4 liters of malathion 50EC in 250-300 liters of water/ha.
ii) Apply 20kg of phorate 10G at sowing in furrows or spray twice at fortnight interval staring 15 days after sowing with 625ml of dimethoate 30EC in 250-300 litres of water/ha.
The month has a yellowish head and thorax. The forewings are pale while and have a broad, wedge shaped, greenish band in the middle. In case of E. insulana the forewings are completely green. The larvae bore into the shoots, flower buds, flowers and fruits and cause service shedding of the fruits of killing the plants. The affected fruits become distorted and unfit for human consumption.
i) Grow resistant varieties like kalyanpur Boni.
ii) When 20-30% shoots show borer damage, spray the crops with 1.0 litre of fenitrothion 50 EC or monocrotophos 36 SL in 250-300 litres of water/ha.
Red cotton bug
The adult bug is about 1.5cm long. The membranous portion of the wings is back in colour. A series of white transverse bands is present on the ventral side of their abdomen. There is also a black spot in each forewing. Both the nymphs and adults suck sap from the leaves and tender plant parts. They damage the fruits also.
i) Dust the plants with lindane 2% @ 20-25kg/ha before fruit setting.
ii) Spray the plants with endosulfan 35 EC @ 1.5ml/litre of water.
The adults suck the sap of the leaves and transmit the yellow vein mosaic of okra. The virus disease spreads to many plants if this vector is not controlled.
i) Spraying schedule for jassids will take care of this pest also.
Red spider mites (okra pest control)
The numphs and adults suck the sap from the leaves and other tender parts. The infested leaves fall down and cause defoliation.
Spray 625ml of oxydemetion methyl 25EC or demethoate 30EC in case 250-300 litres of water/ha with the appearance of the pest. Alternatively spray wettable sulphur 0.05%
Root knot nematode
The typical symptom develop on the roots in the form of roots or galls. The main root and the laterals bear spherical to elongated galls which vary in size from very small to very large. The plants remain pale ,stunted and bear less fruits.
Apply DD into the infested soil @ 200 litres/ha before sowings or Nemagon @ 30litres/ha with irrigation water.
Study: Ladies finger cultivation method
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