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	<title>Viermii radacinilor &#8211; Magazin Agro &#8211; Insecticide, erbicide, fungicide online | petala</title>
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		<title>Informatii despre viermii radacinilor, scapa de viermii radacinilor</title>
		<link>../../../../informatii-despre-viermii-radacinilor-scapa-de-viermii-radacinilor/index.html</link>
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		<pubDate>Sat, 05 Nov 2016 10:13:16 +0000</pubDate>
		<dc:creator><![CDATA[admin]]></dc:creator>
				<category><![CDATA[Insecte daunatoare]]></category>
		<category><![CDATA[Viermii]]></category>
		<category><![CDATA[Viermii radacinilor]]></category>

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		<description><![CDATA[Nematodul galicol al radacinilor &#8211; Meloidogyne incognita Nematodul galicol prezinta de la 4 pana la 8 generatii pe an, in functie de  conditiile de mediu. Ierneaza ca adult sau larva, in interiorul radacinilor diferitelor plante sau in sol. Este o specie [&#8230;]]]></description>
				<content:encoded><![CDATA[<ol>
<li><span style="text-decoration: underline;"><strong>Nematodul galicol al radacinilor &#8211; </strong><em>Meloidogyne incognita</em></span></li>
</ol>
<p style="text-align: justify;">Nematodul galicol prezinta de la 4 pana la 8 generatii pe an, in functie de  conditiile de mediu. Ierneaza ca adult sau larva, in interiorul radacinilor diferitelor plante sau in sol. Este o specie polifaga, ataca peste 1300 de specii din peste 40 de familii botanice. In tara noastra produce pagube doar in sere, la tomate, vinete si castraveti. Plantele sunt infestate imediat dupa plantare, dar primele gale apar abia dupa 4 saptamani.Forma si marimea galelor difera in functie de planta gazda, conditii de mediu si densitatea populatiei. Prezenta galelor determina intreruperea circulatiei sevei si uscarea treptata a plantei. Leziunile provocate de acest daunator favorizeaza atacul unor agenti patogeni de sol, din genul Fusarium.</p>
<p style="text-align: justify;"><strong>Combatere: </strong></p>
<ul>
<li style="text-align: justify;">Cultivarea de soiuri rezistente si efectuarea de tratamente cu produse nematocide;</li>
<li style="text-align: justify;">Controlul rasadurilor, dezinfectarea uneltelor, distrugerea resturilor vegetale dupa recoltare;</li>
<li style="text-align: justify;">Se dezinfecteaza uneletele, solul cu Nemathorin (15 kg/ha).</li>
</ul>
<table align="center">
<tbody>
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<td align="center" width="319"><a href="http://www.petala.ro/wp-content/uploads/2016/11/nematod.jpg"><img class="aligncenter wp-image-6977" src="http://www.petala.ro/wp-content/uploads/2016/11/nematod-300x225.jpg" alt="nematod" width="170" height="128" /></a></td>
<td align="center" width="319"><a href="http://www.petala.ro/wp-content/uploads/2016/11/nematod-galicol.jpg"><img class="aligncenter wp-image-6976" src="http://www.petala.ro/wp-content/uploads/2016/11/nematod-galicol-300x200.jpg" alt="nematod-galicol" width="241" height="160" srcset="../../../../wp-content/uploads/2016/11/nematod-galicol-300x200.jpg 300w, ../../../../wp-content/uploads/2016/11/nematod-galicol-416x277.jpg 416w, ../../../../wp-content/uploads/2016/11/nematod-galicol-768x512.jpg 768w, ../../../../wp-content/uploads/2016/11/nematod-galicol.jpg 1024w" sizes="(max-width: 241px) 100vw, 241px" /></a></td>
</tr>
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<p>&nbsp;</p>
<p>2. <span style="text-decoration: underline;"><strong>Viermii sarma (Gandacii pocnitori) &#8211; </strong><em>Agriotes spp. (Agriotes lineatus, Agriotes ustulatus, Agriotes obscurus)</em></span></p>
<p>Ciclul evolutiv al celor 3 specii este asemanator: prezinta o generatie la 3 &#8211; 5 ani. Ierneaza in sol ca larve de diferite varste si ca adulti. Adultii nu provoaca daune, intrucat au un regim de hrana mixt, in schimb larvele sunt deosebit de pagubitoare; se hranesc cu partile subterane ale multor specii: porumb, grau, orz, cartof, etc. Cerealele sunt roase sub nivelul coletului iar in tuberculi si radacini sapa galerii. Rasadurile unor specii legumicole sunt atacate imediat dupa plantare, datorita umiditatii, care atrage larvele.</p>
<p><strong>Combatere: </strong></p>
<ul>
<li>Efectuarea araturilor de vara si de toamna imediat dupa recoltarea culturilor si aplicarea ingrasamintelor chimice cu azot are o actiune nociva asupra larvelor;</li>
<li>Aplicarea de amendamente cu calciu pe solurile cu reactie acida;</li>
<li>Drenarea terenurilor cu nivelul apei freatice la suprafata;</li>
<li>Cultivarea pe terenurile infestate a unor specii mai putin preferate de daunator (mazare, fasole, linte, bob, rapita, mustar, coriandru, etc.);</li>
<li>Se pot efectua tratamente cu Nemathorin.</li>
</ul>
<p><a href="http://www.petala.ro/wp-content/uploads/2016/11/vierme-sarma.jpg"><img class=" wp-image-6981 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/11/vierme-sarma-300x225.jpg" alt="vierme-sarma" width="256" height="192" srcset="../../../../wp-content/uploads/2016/11/vierme-sarma-300x225.jpg 300w, ../../../../wp-content/uploads/2016/11/vierme-sarma-416x312.jpg 416w, ../../../../wp-content/uploads/2016/11/vierme-sarma.jpg 500w" sizes="(max-width: 256px) 100vw, 256px" /></a>     <a href="http://www.petala.ro/wp-content/uploads/2016/11/viermi-sarma.jpg"><img class="wp-image-6982 alignnone" src="http://www.petala.ro/wp-content/uploads/2016/11/viermi-sarma-300x300.jpg" alt="viermi-sarma" width="203" height="203" srcset="../../../../wp-content/uploads/2016/11/viermi-sarma-300x300.jpg 300w, ../../../../wp-content/uploads/2016/11/viermi-sarma-100x100.jpg 100w, ../../../../wp-content/uploads/2016/11/viermi-sarma-150x150.jpg 150w, ../../../../wp-content/uploads/2016/11/viermi-sarma.jpg 320w" sizes="(max-width: 203px) 100vw, 203px" /></a>          <img class="wp-image-6980 alignnone" src="http://www.petala.ro/wp-content/uploads/2016/11/atac-agriotes-300x202.jpg" alt="atac-agriotes" width="287" height="193" srcset="../../../../wp-content/uploads/2016/11/atac-agriotes-300x202.jpg 300w, ../../../../wp-content/uploads/2016/11/atac-agriotes-416x280.jpg 416w, ../../../../wp-content/uploads/2016/11/atac-agriotes.jpg 600w" sizes="(max-width: 287px) 100vw, 287px" /></p>
<p>&nbsp;</p>
<p>3. <span style="text-decoration: underline;"><strong>Viermele vestic al radacinilor de porumb &#8211; </strong><em>Diabrotica virgifera virgifera</em></span></p>
<p style="text-align: justify;">Daunatorul are o generatie pe an. Ierneaza in stadiul de ou in diapauza timp de 10 luni. Larvele apar la sfarsitul lunii mai si  sunt active pana la inceputul lunii august.  Cele mai mari pagube sunt provocate de larve. Adultii se hranesc pe frunze, cu polen si matase de porumb, determinand o polenizare anormala care poate duce la diminuarea productiei. Larvele sfredelesc parenchimul cortical al radacinilor si construiesc tunele in tesutul vascular central, afectand rezistenta plantelor la ploi si vant. Plantele atacate prezinta tulpina curata si manifesta un simptom caracteristic denumit &#8222;gat de lebada&#8221;. Daca sunt roase peste 50% din radacini, plantele se usuca, iar la peste 50% plante atacate, productia este compromisa.</p>
<p style="text-align: justify;"><strong>Combatere:</strong></p>
<ul>
<li style="text-align: justify;">Daunatorul se dezvolta numai in conditii de monocultura, deci rotatia este o masura agrotehnica deosebit de importanta;</li>
<li style="text-align: justify;">Cultivarea de hibrizi cu sistem radicular mai dezvoltat;</li>
<li style="text-align: justify;">Pentru combaterea chimica se pot executa tratamente cu produse insecticide precum: <a href="http://www.petala.ro/produs/insecticid-decis-mega-50-ew-1-litru/" target="_blank">Decis Mega</a> (0.25 l/ha), <a href="http://www.petala.ro/produs/insecticid-calypso-480-sc-1-litru/" target="_blank">Calypso 480 SC</a> (150 ml/ha), <a href="http://www.petala.ro/produs/insecticid-fury-10-ec-1-litru/" target="_blank">Fury 10 EC</a> (0.2 l/ha),<a href="http://www.petala.ro/produs/insecticid-kaiso-sorbie-5-wg-1-kg/" target="_blank"> Kaiso Sorbie 5 WG</a> (0.25 kg/ha), <a href="http://www.petala.ro/produs/insecticid-karate-zeon-100-ml/" target="_blank">Karate Zeon</a> (0.25 l/ha) etc.</li>
</ul>
<p><a href="http://www.petala.ro/wp-content/uploads/2016/11/diabrotica-atac.jpg"><img class=" wp-image-6984 alignnone" src="http://www.petala.ro/wp-content/uploads/2016/11/diabrotica-atac-300x218.jpg" alt="diabrotica-atac" width="233" height="169" srcset="../../../../wp-content/uploads/2016/11/diabrotica-atac-300x218.jpg 300w, ../../../../wp-content/uploads/2016/11/diabrotica-atac-416x303.jpg 416w, ../../../../wp-content/uploads/2016/11/diabrotica-atac.jpg 500w" sizes="(max-width: 233px) 100vw, 233px" /></a>           <a href="http://www.petala.ro/wp-content/uploads/2016/11/diabrotica-virgifera.jpg"><img class=" wp-image-6985 alignnone" src="http://www.petala.ro/wp-content/uploads/2016/11/diabrotica-virgifera.jpg" alt="diabrotica-virgifera" width="237" height="169" /></a>                       <a href="http://www.petala.ro/wp-content/uploads/2016/11/diabrotica.jpg"><img class=" wp-image-6986 alignnone" src="http://www.petala.ro/wp-content/uploads/2016/11/diabrotica-300x279.jpg" alt="diabrotica" width="183" height="170" srcset="../../../../wp-content/uploads/2016/11/diabrotica-300x279.jpg 300w, ../../../../wp-content/uploads/2016/11/diabrotica-416x387.jpg 416w, ../../../../wp-content/uploads/2016/11/diabrotica.jpg 432w" sizes="(max-width: 183px) 100vw, 183px" /></a></p>
<p style="text-align: justify;">
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