1/14/2016 Biocontrol strategy for the management of sugarcane insect pests | agropedia

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Biocontrol strategy for the management of sugarcane insect pestsSubmitted by Rakesh Kumar Singh on Mon, 16/08/2010 ‐ 17:09

Posted in Biological insect control Biotic stress Insect pest management Protection technology Sugarcane India

csa‐up(kanpur) English

Biocontrol strategy for the management of sugarcane insect pests

Sugarcane is a perennial crop harbors number of natural enemies. These natural enemiesplay important role for maintaining pest population. Physical growth of the crop andavailability of insect pests round the year give ample scope for the exploitation ofbiocontrol agents in the managements of sugarcane insect pests.

In India Trichogramma chilonis, an egg parasitoid has been in use against sugarcane borerssince long. This parasite is being mass multiplied and released in large number againstcane borers. Later on other larval parasitoids like Cotesia flavipes, Isotima javensis etc.,and nymphal and adult parasitoid, Epiricania melanoleuca  has been used against differenttarget pests. In recent past, shoot borer granulosis virus and muscardine fungi, Metarhiziumanisopliae and Beauveria bassiana have been used in management of sugarcane insectpests.

The following table gives methodology of managing insect‐pests of sugarcane throughbioagents.

Crop stage Pest covered Management practice

March to June Shoot borer 1.  Release of egg parasitoid,Tricogramma chilonis @ 50,000/ha at 7 days interval insouthern India

2. Foliar spray of shootborer grainulosis virus (G. V. )

107 ‐ 109 IB/ml in Tamil Naduand Karnataka

3. Release of Sturmiopsisinferens @ 125 gravidfemale/ha in coastal TamilNadu

Pyrilla Conservation  of  nymphal andegg parasite, Epricaniamelanoluca in endemic pockets

July to October Root borer, stalk borer,internode borer, Gurdaspurborer

Release of egg parasitoid,Trichogramma chilonis @50,000/ha at 10 days interval

July to August Top borer Release of Isotima javensis @125/ha

July to September Pyrilla 1.  Redistribution of Epiricaniamelanoleuca from heavilyparasitized field to lowparasitized field or

2. Foliar spray so Metrhizium

anisopliae @ 107  spores/ml or

3. Release of 250/ha adults ofpyrilla loaded with Metrhiziumanisopliae spore dust.

November onwards Stalk borer Foliar spray 107  spores/ml ofBeauveria bassiana

Black bug Release of black bug adultsloaded with spores of Beauveriabassiana @ 5000 adults/ha.

 

 

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1/14/2016 Biocontrol strategy for the management of sugarcane insect pests | agropedia

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