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19
Jul

Chemical Control of Rice Gundhi Bug

Chemical Control of Rice Gundhi Bug

1. Dust Malathion or Carbaryl @ 30 kg of the formulation/ha

2. Spray monocrotophos 36 WSC @ 1500 ml ha-1 or endosulfan 35 EC @ 1500 ml ha-1 or carbaryl 50 WP @1500 g ha-1 or dust malathion or carbaryl @ 30 kg of the formulation ha-1.

3. Insecticide application should be done if the population reaches ETL of 1 nymph or adult/ hill.

19
Jul

Biological Control of Rice Gundhi Bug

Biological Control of Rice Gundhi Bug

  • A number of natural enemies including parasites and predators are known to attack the rice bug at various stages.
  • Small scelionid wasps Gryon nixoni (Masner) parasitize the eggs of Leptocorisa spp.
  • Several species of parasitic wasps attack stink bugs.
  • The meadow grasshopper Conocephalus longipennis (Haan) preys on rice bug eggs; several species of spiders, e.g., Neo
19
Jul

Cultural Control of Rice Gundhi Bug

Cultural Control of Rice Gundhi Bug

1. Delayed, but synchronous, planting of early-maturing varieties is suggested so that all crops ripen at the same time.

2. Weed sanitation and eradication of alternate hosts from ricefields and surrounding areas can help prevent the multiplication of the bug

3. Mechanical control measures such as smoking the field, hand-picking of

19
Jul

Nature of damage of Gundhi bug

Nature of damage of Gundhi bug

1. The adults and nymphs suck the juice from the developing grains in the early stage of grain formation.

2. Young succulent leaves and shoots are also attacked before the grain formation stage. Infestation is characterised by the presence of some empty or ill-formed grains in the panicles.

3. A hole is left on the grain at the

19
Jul

Host range of Rice Gundhi bug

Host range of Rice Gundhi bug

Many grasses and even dicotyledonous plants have been listed as hosts.  

Of the different grasses Echinocloa colona has been found to be a potential host for successful survival and multiplication.

The bugs have also been found to successfully multiply and migrate from early to the late flowering varieties in paddy when the

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