logging in or signing up cassava scales SRINIGANESAN sree279 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 152 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: September 27, 2007 This Presentation is Public Favorites: 0 Presentation Description tapioca scale insect Comments Posting comment... By: sree279 (57 month(s) ago) good Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript AEN301-PEST MANAGEMENT IN CROPS(2+1): AEN301-PEST MANAGEMENT IN CROPS(2+1) MANAGEMENT OF CASSAVA SCALECASSAVA SCALE: CASSAVA SCALE Scientific name: Aonidomytilus albus Family: Diaspididae Order: HemipteraDistribution…: Distribution… This pest sis widely distributed throughout the world including India, Africa, South America, and Madagascar. In Tamilnadu- Salem, Pattukottai, and Coimbatore.Destructive stage…: Destructive stage… Nymph and adult are the two destructive stage in this pests. Adult is white elongate scales.Species…: Species… There are two species Aonidomytilus albus Saissetia nigra Symptom of damage…: Symptom of damage… The insects infests both standing crop as well as cassava stakes in storage The scale insects cover the stem completely and suck the sap The planting material infested with scales dry up and lose their vigourConti…: Conti… Poor aeration , high humidity provide congenial environment for severe pests damage under storage. In standing crop the severe infestation leads to death of the plants. Slide8: INTEGRATED PEST MANAGEMENTCULTURAL METHODS: CULTURAL METHODS Clean cultivation Growing resistant varieties Selection of good planting materials A hybrid H-226 from Central Tuber Crops Research Institute, Kayangulam is found to be moderately resistant to the cassava scale. Mechanical method…: Mechanical method… Collection and destruction of destructive stages of pests Rub gently with kerosene soaked cotton over the stem which gives effective control.Biological method…: Biological method… Release of a coccinellid beetle Chicorus nigritus which is predaceous on scales.Chemical control… : Chemical control… Spraying of bundles of planting stakes with methyl parathion 0.03% will control the scales Spray of meta systox 0.1% or dimethoate0.03% or methyl demeton 0.025% affords protection from the pests. You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
cassava scales SRINIGANESAN sree279 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 152 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: September 27, 2007 This Presentation is Public Favorites: 0 Presentation Description tapioca scale insect Comments Posting comment... By: sree279 (57 month(s) ago) good Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript AEN301-PEST MANAGEMENT IN CROPS(2+1): AEN301-PEST MANAGEMENT IN CROPS(2+1) MANAGEMENT OF CASSAVA SCALECASSAVA SCALE: CASSAVA SCALE Scientific name: Aonidomytilus albus Family: Diaspididae Order: HemipteraDistribution…: Distribution… This pest sis widely distributed throughout the world including India, Africa, South America, and Madagascar. In Tamilnadu- Salem, Pattukottai, and Coimbatore.Destructive stage…: Destructive stage… Nymph and adult are the two destructive stage in this pests. Adult is white elongate scales.Species…: Species… There are two species Aonidomytilus albus Saissetia nigra Symptom of damage…: Symptom of damage… The insects infests both standing crop as well as cassava stakes in storage The scale insects cover the stem completely and suck the sap The planting material infested with scales dry up and lose their vigourConti…: Conti… Poor aeration , high humidity provide congenial environment for severe pests damage under storage. In standing crop the severe infestation leads to death of the plants. Slide8: INTEGRATED PEST MANAGEMENTCULTURAL METHODS: CULTURAL METHODS Clean cultivation Growing resistant varieties Selection of good planting materials A hybrid H-226 from Central Tuber Crops Research Institute, Kayangulam is found to be moderately resistant to the cassava scale. Mechanical method…: Mechanical method… Collection and destruction of destructive stages of pests Rub gently with kerosene soaked cotton over the stem which gives effective control.Biological method…: Biological method… Release of a coccinellid beetle Chicorus nigritus which is predaceous on scales.Chemical control… : Chemical control… Spraying of bundles of planting stakes with methyl parathion 0.03% will control the scales Spray of meta systox 0.1% or dimethoate0.03% or methyl demeton 0.025% affords protection from the pests.