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	<title>Omida paroasa a dudului &#8211; Magazin Agro &#8211; Insecticide, erbicide, fungicide online | petala</title>
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		<title>Informatii despre Omida paroasa a dudului, scapa de Hyphantria cunea</title>
		<link>../../../../informatii-despre-omida-paroasa-a-dudului-scapa-de-hyphantria-cunea/index.html</link>
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		<pubDate>Fri, 04 Nov 2016 12:52:09 +0000</pubDate>
		<dc:creator><![CDATA[admin]]></dc:creator>
				<category><![CDATA[Insecte daunatoare]]></category>
		<category><![CDATA[Omida paroasa a dudului]]></category>
		<category><![CDATA[Omizi]]></category>

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		<description><![CDATA[Omida paroasa a dudului &#8211; Hyphantria cunea / Bombyx cunea / Arctia textor Originara din America de Nord, omida paroasa a dudului a fost semnalata in 1940, in Ungaria si 1949, in Romania, in partea de vest. Descriere: Adultul are aripi albe, [&#8230;]]]></description>
				<content:encoded><![CDATA[<p style="text-align: justify;"><strong><a href="http://www.petala.ro/wp-content/uploads/2016/11/omida-paroasa-a-dudului-oua.jpg"><img class="size-medium wp-image-6898 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/11/omida-paroasa-a-dudului-oua.jpg" alt="omida-paroasa-a-dudului-oua" width="240" height="180" /></a>Omida paroasa a dudului &#8211; </strong><em>Hyphantria cunea / Bombyx cunea / Arctia textor</em></p>
<p style="text-align: justify;">Originara din America de Nord, omida paroasa a dudului a fost semnalata in 1940, in Ungaria si 1949, in Romania, in partea de vest.</p>
<p style="text-align: justify;"><span style="text-decoration: underline;">Descriere:</span></p>
<p style="text-align: justify;"><em>Adultul </em>are aripi albe, cu o anvergura de 28 &#8211; 38 mm, uneori pot prezenta pete negre, dispuse neregulat. Femela are abdomenul verzui, spre deosebire de mascul, la care abdomenul este galben.</p>
<p style="text-align: justify;"><em>Oul </em>este sferic, cu chorin fin granulat, galben &#8211; verzui, de 0.6 mm diametru.<a href="http://www.petala.ro/wp-content/uploads/2016/11/omida-paroasa-a-dudului-colonie.jpg"><img class=" wp-image-6899 alignright" src="http://www.petala.ro/wp-content/uploads/2016/11/omida-paroasa-a-dudului-colonie-300x225.jpg" alt="omida-paroasa-a-dudului-colonie" width="259" height="194" /></a></p>
<p style="text-align: justify;"><em>Larva </em>este brun &#8211; inchisa pe partea dorsala si verde &#8211; brunie pe partea ventrala, putand ajunge pana la 25 &#8211; 30 mm, in ultima varsta. Corpul este acoperit cu numerosi peri urticanti, de diferite culori (brun &#8211; inchis pana la negru).</p>
<p style="text-align: justify;"><em>Pupa </em>are culoarea galben &#8211; verzuie la inceput, putand deveni brun &#8211; inchis. Lungimea acesteia este de 8 &#8211; 10 mm.</p>
<p style="text-align: justify;"><span style="text-decoration: underline;">Biologie si ecologie:</span></p>
<p style="text-align: justify;">Prezinta 2 generatii pe an. Ierneaza in stadiul de pupa in numeroase locuri (crapaturi ale scoartei, pe garduri, pereti, stratul superficial al solului). Adultii apar primavara, din a doua jumatate a lunii aprilie; zborul adultilor este crepuscular si nocturn, <a href="http://www.petala.ro/wp-content/uploads/2016/11/omida-paroasa-a-dud-atac.jpg"><img class=" wp-image-6897 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/11/omida-paroasa-a-dud-atac-300x225.jpg" alt="omida-paroasa-a-dud-atac" width="256" height="192" srcset="../../../../wp-content/uploads/2016/11/omida-paroasa-a-dud-atac-300x225.jpg 300w, ../../../../wp-content/uploads/2016/11/omida-paroasa-a-dud-atac-416x312.jpg 416w, ../../../../wp-content/uploads/2016/11/omida-paroasa-a-dud-atac.jpg 600w" sizes="(max-width: 256px) 100vw, 256px" /></a>iar ziua stau ascunsi. Imediat dupa aparitie, adultii se imperecheaza iar femeile depun, pe partea inferioara a frunzelor ouale (300 &#8211; 900) din care, dupa 8 &#8211; 20 de zile, vor iesi larvele. In stadii incipiente, larvele consuma epiderma inferioara si parenchimul iar pe masura ce se dezvolta se muta pe ramuri, distrugand in totalitate frunzele. La sfarsitul lunii iunie, larvele se retrag si se impupeaza in coconi matasosi, stadiu care dureaza intre 7 si 12 zile. Aparitia noilor adulti se face esalonat de la jumatatea lunii iunie pana la jumatatea lunii august. In anii cu toamne lungi poate aparea si o a 3-a generatie.</p>
<p style="text-align: justify;"><span style="text-decoration: underline;">Plante atacate si mod de daunare:</span></p>
<p style="text-align: justify;">Specie polifaga, ataca peste 120 de specii de arbori, arbusti si plante ierboase: dud, artar, cires, mar, visin, par, prun, trandafir, dalie, vita de vie etc. In unii ani copacii raman total desfrunziti in urma atacului.<a href="http://www.petala.ro/wp-content/uploads/2016/11/Paduchele-piersicului-1.png"><img class=" wp-image-6902 alignright" src="http://www.petala.ro/wp-content/uploads/2016/11/Paduchele-piersicului-1-300x199.png" alt="omida paroasa a dudului" width="274" height="182" srcset="../../../../wp-content/uploads/2016/11/Paduchele-piersicului-1-300x199.png 300w, ../../../../wp-content/uploads/2016/11/Paduchele-piersicului-1-416x276.png 416w, ../../../../wp-content/uploads/2016/11/Paduchele-piersicului-1.png 552w" sizes="(max-width: 274px) 100vw, 274px" /></a> Daca atacul se repeta 2 &#8211; 3 ani consecutiv, pomii se debiliteaza si se usuca. In unii ani provoaca daune in livezi, parcuri, aliniamente stardale, dar cel mai frecvent ataca pomii situati in gospodariile populatiei.</p>
<p style="text-align: justify;"><span style="text-decoration: underline;">Masuri de prevenire si combatere:</span></p>
<p style="text-align: justify;">Omida paroasa a dudului poate fi considerat un &#8222;daunator al neglijentei&#8221;, intrucat atacurile pot fi prevenite prin strangerea si distrugerea prin ardere a cuiburilor de omizi, operatiune ce trebuie repetata la 5 &#8211; 6 zile din cauza aparitiei esalonate a larvelor.</p>
<p style="text-align: justify;">Se pot executa tratamente chimice cu: <a href="http://www.petala.ro/produs/insecticid-aqua-k-othrine-ew-20-1-litru/" target="_blank">Aqua K-Othrine</a> (2%), <a href="http://www.petala.ro/produs/insecticid-decis-mega-50-ew-1-litru/" target="_blank">Decis Mega</a> (3 ml in 10 l apa), <a href="http://www.petala.ro/produs/insecticid-karate-zeon-100-ml/" target="_blank">Karate Zeon</a> (2 ml in 5 l apa), <a href="http://www.petala.ro/produs/insecticid-fastac-10-ec-100-ml/" target="_blank">Fastac</a> (2 ml in 5 l apa), cu urmatoarea specificare: Frunzele duzilor la care s-au aplicat tratamente chimice vor fi toxice pentru viermii de matase.</p>
<p style="text-align: justify;"><span style="color: #ff6600;">Respectati intervalul de pauza intre aplicarea ultimului tratament si inceputul recoltarii fructelor.</span></p>
<p>&nbsp;</p>
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