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	<title>Paduchele porumbului &#8211; Magazin Agro &#8211; Insecticide, erbicide, fungicide online | petala</title>
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	<title>Paduchele porumbului &#8211; Magazin Agro &#8211; Insecticide, erbicide, fungicide online | petala</title>
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		<title>Informatii despre paduchele verde al porumbului, scapa de rhopalosiphum maidis</title>
		<link>../../../../informatii-despre-paduchele-verde-al-porumbului-scapa-de-rhopalosiphum-maidis/index.html</link>
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		<pubDate>Mon, 05 Sep 2016 10:54:30 +0000</pubDate>
		<dc:creator><![CDATA[admin]]></dc:creator>
				<category><![CDATA[Insecte daunatoare]]></category>
		<category><![CDATA[Paduchele porumbului]]></category>
		<category><![CDATA[Paduchi]]></category>

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		<description><![CDATA[Rhopalosiphum maidis (Aphis maidis) &#8211; Paduchele verde al porumbului Paduchele verde al porumbului este un daunator semnalat in foarte multe tari, de pe toate continentele. In tara noastra este raspandit in toate zonele de vegetatie. Descriere. Formele nearipate prezinta cap si torace negre, abdomen [&#8230;]]]></description>
				<content:encoded><![CDATA[<p style="text-align: justify;"><em><strong><a href="http://www.petala.ro/wp-content/uploads/2016/08/paduchele-porumbului.png"><img class=" wp-image-4405 alignright" src="http://www.petala.ro/wp-content/uploads/2016/08/paduchele-porumbului-300x236.png" alt="paduchele porumbului" width="190" height="149" srcset="../../../../wp-content/uploads/2016/08/paduchele-porumbului-300x236.png 300w, ../../../../wp-content/uploads/2016/08/paduchele-porumbului-416x327.png 416w, ../../../../wp-content/uploads/2016/08/paduchele-porumbului.png 535w" sizes="(max-width: 190px) 100vw, 190px" /></a>Rhopalosiphum maidis (Aphis maidis) &#8211; </strong></em><strong>Paduchele verde al porumbului</strong></p>
<p style="text-align: justify;">Paduchele verde al porumbului este un daunator semnalat in foarte multe tari, de pe toate continentele. In tara noastra este raspandit in toate zonele de vegetatie.</p>
<p style="text-align: justify;"><strong><a href="http://www.petala.ro/wp-content/uploads/2016/08/forma-aripata.png"><img class="size-medium wp-image-4402 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/08/forma-aripata-300x189.png" alt="forma aripata" width="300" height="189" srcset="../../../../wp-content/uploads/2016/08/forma-aripata-300x189.png 300w, ../../../../wp-content/uploads/2016/08/forma-aripata-416x262.png 416w, ../../../../wp-content/uploads/2016/08/forma-aripata.png 541w" sizes="(max-width: 300px) 100vw, 300px" /></a>Descriere. </strong><em>Formele</em><em> nearipate </em>prezinta cap si torace negre, abdomen verde inchis sau cu pete colorate mai inchis. Au aproximativ 2 mm lungime. <em>Formele</em><em> aripate</em> prezinta corp oval, de culoare verde inchis sau verde albastrui, avand o lungime de aproximativ 2 mm.</p>
<p style="text-align: justify;"><strong>Biologie si ecologie. </strong>Specie nemigratoare, cu reproducere exclusiv partenogenetica, a carui mod de iernare nu se cunoaste, inca. Indivizii colonizeaza plantele gazda de primavara pana toamna tarziu. Climatul cald favorizeaza supravietuirea populatiei hibernante. Gradul de inmultire al daunatorului este influentat negativ de temperaturile reci din timpul iernii. Temperatura maxima suportata este de 44°C, temperatura optima este de 24°C, sub 15°C daunatorul devine inactiv.</p>
<p style="text-align: justify;"><strong>Plante atacate si mod de daunare.</strong> Specie polifaga, formeaza colonii pe organele de crestere ale plantelor de porumb, sorg, orz si alte graminee. <a href="http://www.petala.ro/wp-content/uploads/2016/08/paduchele-porumbului-colonie.png"><img class=" wp-image-4404 alignright" src="http://www.petala.ro/wp-content/uploads/2016/08/paduchele-porumbului-colonie-300x236.png" alt="paduchele porumbului colonie" width="264" height="208" srcset="../../../../wp-content/uploads/2016/08/paduchele-porumbului-colonie-300x236.png 300w, ../../../../wp-content/uploads/2016/08/paduchele-porumbului-colonie-416x327.png 416w, ../../../../wp-content/uploads/2016/08/paduchele-porumbului-colonie.png 533w" sizes="(max-width: 264px) 100vw, 264px" /></a>Organele atacate (verticiliul frunzei centrale, tecile frunzelor, paniculele, matasea, panusile) acumuleaza roua de miere si fumagina. Atacul afecteaza poleninzarea si formarea normala a stiuletilor. Provoaca pagube indirecte, influentand aparitia unor boli virotice precum: European maize mosaic virus, pe care-l transmite de la graminee perene (costrei) la porumb, sorg etc.</p>
<p style="text-align: justify;"><strong><a href="http://www.petala.ro/wp-content/uploads/2016/08/paduche-porumb.png"><img class="size-medium wp-image-4403 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/08/paduche-porumb-300x194.png" alt="paduche porumb" width="300" height="194" srcset="../../../../wp-content/uploads/2016/08/paduche-porumb-300x194.png 300w, ../../../../wp-content/uploads/2016/08/paduche-porumb-416x269.png 416w, ../../../../wp-content/uploads/2016/08/paduche-porumb.png 605w" sizes="(max-width: 300px) 100vw, 300px" /></a>Masuri de prevenire si combatere. </strong>Masurile agrofitotehnice precum rotatia culturilor, folosirea soiurilor si a hibrizilor rezistenti la atac, semanarea la inceputul epocii optime etc., au o deosebita importanta.</p>
<p style="text-align: justify;">Se recomanda tratamente chimice cu produse pesticide cum ar fi: <strong>Actara (0.07 kg/ha), Kaiso Sorbie 5 WG (0.15 kg/ha), Mavrik 2 F (0.2 l/ha).</strong></p>
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