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	<title>Paduchele testos &#8211; Magazin Agro &#8211; Insecticide, erbicide, fungicide online | petala</title>
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		<title>Informatii despre paduchele testos al prunului, scapa de Parthenolecanium corni</title>
		<link>../../../../informatii-despre-paduchele-testos-al-prunului-scapa-de-parthenolecanium-corni/index.html</link>
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		<pubDate>Tue, 30 Aug 2016 07:56:27 +0000</pubDate>
		<dc:creator><![CDATA[admin]]></dc:creator>
				<category><![CDATA[Insecte daunatoare]]></category>
		<category><![CDATA[Paduchele testos]]></category>
		<category><![CDATA[Paduchi]]></category>

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		<description><![CDATA[Parthenolecanium corni &#8211; Paduchele testos al prunului Daunatorul este raspandit in Nordul Americii si pe intreg continentul european. In tara noastra este intalnit in toate zonele de cultura a prunului. Descriere. Femela are corpul oval &#8211; rotund, puternic bombat dorsal, lung de 4 [&#8230;]]]></description>
				<content:encoded><![CDATA[<p style="text-align: justify;"><em><strong><a href="http://www.petala.ro/wp-content/uploads/2016/08/paduchele-testos.jpg"><img class=" wp-image-4200 alignright" src="http://www.petala.ro/wp-content/uploads/2016/08/paduchele-testos-300x430.jpg" alt="paduchele testos" width="273" height="391" /></a>Parthenolecanium corni &#8211; </strong></em><strong>Paduchele testos al prunului</strong></p>
<p style="text-align: justify;"><a href="http://www.petala.ro/wp-content/uploads/2016/08/scuturi-paduche-testos.jpg"><img class=" wp-image-4198 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/08/scuturi-paduche-testos-300x200.jpg" alt="scuturi paduche testos" width="228" height="152" srcset="../../../../wp-content/uploads/2016/08/scuturi-paduche-testos-300x200.jpg 300w, ../../../../wp-content/uploads/2016/08/scuturi-paduche-testos-416x277.jpg 416w, ../../../../wp-content/uploads/2016/08/scuturi-paduche-testos.jpg 461w" sizes="(max-width: 228px) 100vw, 228px" /></a>Daunatorul este raspandit in Nordul Americii si pe intreg continentul european. In tara noastra este intalnit in toate zonele de cultura a prunului.</p>
<p style="text-align: justify;"><strong>Descriere. </strong><em>Femela </em>are corpul oval &#8211; rotund, puternic bombat dorsal, lung de 4 &#8211; 6 mm si lat de 2 &#8211; 3 mm, brun &#8211; roscat, prevazut cu dungi mai inchise. Este lipsita de aripi si picioare. <em>Masculul</em> are corpul alungi, lung de 1,5 &#8211; 2,0 mm, de culoare rosie. Poseda aripi transparente.</p>
<p style="text-align: justify;"><strong>Biologie si ecologie. </strong>In tara noastra prezinta o singura generatie pe an. Ierneaza in crapaturile scoartei, ale ramurilor, la baza mugurilor si pe frunze cazute, in stadiul de larva de varsta a II-a. <a href="http://www.petala.ro/wp-content/uploads/2016/08/scut-paduche-testos.jpg"><img class=" wp-image-4199 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/08/scut-paduche-testos-300x201.jpg" alt="scut paduche testos" width="269" height="180" srcset="../../../../wp-content/uploads/2016/08/scut-paduche-testos-300x201.jpg 300w, ../../../../wp-content/uploads/2016/08/scut-paduche-testos-416x279.jpg 416w, ../../../../wp-content/uploads/2016/08/scut-paduche-testos-768x515.jpg 768w, ../../../../wp-content/uploads/2016/08/scut-paduche-testos.jpg 800w" sizes="(max-width: 269px) 100vw, 269px" /></a>Larvele migreaza primavara, cand temperatura aerului depaseste 6°C si se hranesc cu seva din tesuturile frunzelor, timp de 3 &#8211; 4 saptamani. Femelele depun ouale (≈2500 oua/femela) la sfarsitul lunii aprilie &#8211; inceputul lunii mai. Ouale sunt depuse sub corpul femelei, care treptat se chitinizeaza si se transforma intr-un scut, sub care are loc incubatia (20 -25 zile). Larvele migreaza (dupa aparitie) pe dosul frunzelor, unde se fixeaza de-a lungul nervurilor. Se hranesc cu sucul celular, pana in luna septembrie. La caderea frunzelor, larvele migreaza pe ramuri, unde se transforma in larve secundare (stadiu in care ierneaza). Temperaturile scazute si ploile abundente pot distruge un numar mare de larve.</p>
<p style="text-align: justify;"><strong>Plante atacate si mod de daunare. <a href="http://www.petala.ro/wp-content/uploads/2016/08/scut-paduchi-testos.png"><img class="size-medium wp-image-4197 alignright" src="http://www.petala.ro/wp-content/uploads/2016/08/scut-paduchi-testos-300x207.png" alt="scut paduchi testos" width="300" height="207" srcset="../../../../wp-content/uploads/2016/08/scut-paduchi-testos-300x207.png 300w, ../../../../wp-content/uploads/2016/08/scut-paduchi-testos-416x286.png 416w, ../../../../wp-content/uploads/2016/08/scut-paduchi-testos.png 533w" sizes="(max-width: 300px) 100vw, 300px" /></a></strong>Daunator polifag, ataca peste 80 de specii de arbori, arbusti si plante ierboase. Cel mai des este intalnit pe prun, unde provoaca cele mai mari pagube. Femelele si larvele ataca ramurile si frunzele, infestand in momentul hranirii tesuturile, care ulterior se necrozeaza. Frunzele atacate prezinta un continut mai mic de clorofila si amidon si sunt etiolate. Pe organele atacate se gaseste ”roua de miere” care favorizeaza dezvoltarea ciupercii Capnodium salicinum. Pomii atacati au frunzele, lastarii si ramurile de culoare negricioasa. Atacurile puternice si repetate duc la debilitarea pomilor.</p>
<p style="text-align: justify;"><strong>Masuri de prevenire si combatere. </strong>Sunt eficiente tratamentele cu <strong>Confidor Oil &#8211; 1,5%,</strong> in perioada de repaus vegetativ, iar in vegetatie, rezultate bune dau tratamentele cu: <strong>Pyrinex 48 EC &#8211; 0,2%, Actara  (1,5 gr in 10 l apa).</strong></p>
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