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Division of Entomology & Nematology

Biological control of tea mosquito bug Helopeltis antonii on guava

IIHR has   developed  a biological control strategy for management of Helopeltis antonii infesting Guava by using  fungal pathogen Beauveria bassiana.  Weekly spraying of this bio- pesticide @ 1x109 spores/ml with suitable adjuvants  recorded significant reduction in the pest damage that was comparable with the chemical pesticides.

Trichoderma harzianum 1% W.P

Application / Use:

This is a bio-pesticide useful for the management of fungal pathogens such as Fusarium species and Phytophtora species as well as nematodes.

 

Specific Benefits:

This is an eco-friendly component of management. It is useful for the management of nematodes and fungal pathogens

 

Description:

It is a talc based formulation of bio control fungus Trichoderma harzianum . This is a bio- nematicide useful for the management of nematodes.

Paecilomyces lilacinus 1% W.P

Application / Use:

This is a bio-nematicide useful for the management of Root Knot nematode, Reniform nematode , Citrus nematode.

 

Specific Benefits:

This is an eco-friendly component of management. It is useful for the management of nematodes.

 

Description:

It is a talc based formulation of bio control fungus Paecilomyces lilacinus. This is a bio-nematicide useful for the management of nematodes

IIHR-Pseudomonas fluorescens 1% W.P.

Application / Use:

This is a bio-pesticide useful for the management of bacterial pathogens such as Ralstonia solanacearum, Erwinia caratavora as well as nematodes like Root knot nematodes, Cyst nematodes, Citrus nematodes and banana nematode.

 

Specific Benefits:

This is an eco-friendly component of management. It is useful for the management of nematodes and bacterial pathogens.

 

Description:

IPM practices for Tomato pests

The IPM package given below will take care of fruit borer, leaf miner, mite and insect vector.

 

Nursery:

  • Raise Marigold (Tall African variety golden age bearing yellow and orange flowers) nursery 15-20 days before tomato nursery
  • One week after germination of seeds, spray the seedlings with (imidacloprid 200 SL @ 0.3 ml/l or thiomethoxam 25 WP @ 0.3 g/l)

 

Before transplanting:

Neem soap and Pongamia soap for agriculture use

Application / Use:

The soaps prepared from neem oil and pongamia oils respectively and are in concentrate from. These have to be diluted with water (10 g/litre) and sprayed on plants to control insect pests just like insecticides. The soap sprays can be used as a substitute for synthetic insecticides and can be used as a component of IPM in many vegetable crops and as organic input.

 

Specific Benefits:

Organic input and production of pesticide free vegetables.

 

Unit Cost: