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Integrated Pest Managment

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IPM Strategies for Onion

Onion: Pests

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<h3>Pests of National Significance</h3>
<h4>Insect and mite pests</h4>
<ul>
<li><strong>Onion thrips:</strong> Thrips tabaci Lindeman (Thysanoptera: Thripidae)</li>
<li><strong>Onion maggot:</strong> Delia antiqua Meigen (Diptera: Anthomyiidae)</li>
<li><strong>Bulb mite:</strong> Rhizoglyphus robini Claparédè (Sarcoptiformes: Acaridae)</li>
<li><strong>Eriophyid mite:</strong> Aceria tulipae (Keifer) (Prostigmata: Eriophyidae)</li>
<li><strong>Red spider mite:</strong> Tetranychus cinnabarinus (Boisduval) (Trombidiformes: Tetranychidae)</li>
</ul>
<h4>Diseases</h4>
<ul>
<li><strong>Damping off: </strong>Pythium spp., Rhizoctonia solani ( Kühn), Fusarium oxysporum (Schlecht), F. oxysporum f. sp. cepae (Schlecht. emend. Snyder &amp; Hansen); Sclerotium rolfsii (Sacc.) &amp; S. cepivorum (Berk ) and Colletotrichum sp</li>
<li><strong>Purple blotch:</strong> Alternaria porri (Ellis)</li>
<li><strong>Stemphylium leaf blight: </strong>Stemphylium cesicarium/ vesicarium [(Wallr.) E.G. Simmons]</li>
<li><strong>Colletotrichum blight/Anthracnose/Twister disease:</strong> Colletotrichum gloeosporioides [(Penz.) Penz. and Sacc]</li>
<li><strong>Onion yellow dwarf:</strong> Onion yellow dwarf virus</li>
<li><strong>Iris yellow spot:</strong> Iris yellow spot virus</li>
</ul>
<h4>Weeds</h4>
<h5>Major kharif</h5>
<strong>Broad leaf</strong> 
<ul>
<li><strong>Pigweed:</strong> Amaranthus viridis Hook. F. (Amaranthaceae)</li>
<li><strong>Swine cress:</strong> Coronopus didymus (L.) Sm. (Brassicaceae)</li>
<li><strong>Black nightshade:</strong> Solanum nigrum L. (Solanaceae)</li>
<li><strong>Common purselane:</strong> Portulaca oleracea L. (Portulacaceae)</li>
<li><strong>False amaranth:</strong> Digera arvensis Forssk. (Amaranthaceae)</li>
</ul>
<strong>Grassy</strong> 
<ul>
<li><strong>Rabbit/crow foot grass:</strong> Dactyloctenium aegyptium (L.) Beauv. (Poaceae)</li>
<li><strong>Crab grass:</strong> Digiteria sanguinalis (L.) Willd. (Poaceae)</li>
<li><strong>Barnyard grass:</strong> Echinochloa crusgalli (L.) Scop. (Poaceae)</li>
</ul>
<strong>Sedge</strong> 
<ul>
<li><strong>Purple nutsedge:</strong> Cyperus rotundus L. (Cyperaceae)</li>
<li><strong>Flat sedge: </strong>Cyperus iria L. (Cyperaceae)</li>
</ul>
<h5>Major rabi weeds</h5>
<strong>Broad leaf</strong> 
<ul>
<li><strong>Lamb’s quarter:</strong> Chenopodium album L. (Chenopodiaceae)</li>
<li><strong>Scarlet pimpernel:</strong> Anagallis arvensis L. (Primulaceae)</li>
<li><strong>Sweet clover:</strong> Melilotus indica (L.) All. (Fabaceae)</li>
<li><strong>Fine leaf fumitory:</strong> Fumaria parvifl ora Lam. (Fumariaceae)</li>
<li><strong>Corn spurry:</strong> Spergula arvensis L. (Caryophyllaceae)</li>
<li><strong>Carrot grass:</strong> Parthenium hysterophorus L. (Asteraceae)</li>
</ul>
<strong>Grassy</strong> 
<ul>
<li><strong>Blue grass:</strong> Poa annua L. (Poaceae)</li>
<li><strong>Canary grass:</strong> Phalaris minor Retz. (Poaceae)</li>
<li><strong>Chinese love grass:</strong> Eragrostis unioloides (Retz.) Nees. Ex Steud. (Poaceae)</li>
<li><strong>Goose grass:</strong> Eleusine indica (L.) Gaertner (Poaceae)</li>
</ul>
<strong>Sedge</strong> 
<ul>
<li><strong>Purple nut sedge:</strong> Cyperus rotundus L. (Cyperaceae)</li>
</ul>
<h3>Pests of Regional Significance</h3>
<h4>Insect pests</h4>
<ul>
<li><strong>Gram pod borer:</strong> Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) (Punjab)</li>
<li><strong>Tobacco caterpillar:</strong> Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae)</li>
<li><strong>Cutworm:</strong> Agrotis ipsilon (Hufnagel) (Lepidoptera: Noctuidae) (Assam)</li>
</ul>
<h4>Diseases</h4>
<ul>
<li><strong>Downy mildew:</strong> Perenospora destructor (Berkeley) Caspary (Himachal Pradesh, Delhi)</li>
<li><strong>Fusarium basal rot/ Basal rot: </strong>Fusarium oxysporum f. sp. cepae Schlecht (Rajasthan, Maharashtra, Karnataka)</li>
<li><strong>White rot:</strong> Sclerotium cepivorum Berk.</li>
<li><strong>Pink root rot:</strong> Phoma (Pyrenochaeta) terrestris (Hansen) Gorenz, Walker &amp; Larson, Fusarium solani (Mart.) Sacc. (Rajasthan, Tamil Nadu)</li>
<li><strong>Black mold:</strong> Aspergillus niger van Tiegham</li>
<li><strong>Green mold:</strong> Aspergillus fumigatus Fresenius, A. alliaceus Thom &amp; Church</li>
<li><strong>Bacterial brown rot/ Slippery skin:</strong> Pseudomonas aeruginosa (Schroter) Migula Pseudomonas allicola Starr and Burk (Haryana, Delhi, Uttar Pradesh)</li>
<li><strong>Soft rot:</strong> Erwinia carotovora pv. carotovora Jones</li>
</ul>
<h3>IPM for Onion</h3>
<p>To know the IPM practices for Onion, <a class="internal-link" target="_blank" href="http://vikaspedia.in/agriculture/crop-production/integrated-pest-managment/ipm-for-vegetables/ipm-strategies-for-onion/crop-stage-wise-ipm">click here.</a></p>
<p><strong>Source:</strong> <a class="ext-link-icon" href="https://niphm.gov.in/IPMPackages/Onion.pdf" target="_blank" title="niphm.gov.in (External website that opens in new window)"><i>NIPHM</i></a> and <a class="ext-link-icon external-link" href="http://ppqs.gov.in/" target="_blank" title="ppqs.gov.in (External website that opens in new window)"><i>Directorate of Plant Protection, Quarantine &amp; Storage</i></a></p>
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