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		<title>Informatii despre plosnita albastra a verzei, scapa de Eurydema oleraceum</title>
		<link>../../../informatii-despre-plosnita-albastra-a-verzei-scapa-de-eurydema-oleraceum/index.html</link>
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		<pubDate>Wed, 16 Nov 2016 12:22:57 +0000</pubDate>
		<dc:creator><![CDATA[admin]]></dc:creator>
				<category><![CDATA[Insecte daunatoare]]></category>
		<category><![CDATA[Plosnita albastra a verzei]]></category>
		<category><![CDATA[Plosnite]]></category>

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		<description><![CDATA[Plosnita albastra a verzei &#8211; Eurydema oleraceum Descriere. Plosnita albastra a verzei (Eurydema oleracea) este un daunator prezent in toata Europa pe culturile de varzoase, plante semincere, rasaduri, etc. Adultii sunt lungi de 0.6-0.8 cm si late de 0.3-0.4 mm; [&#8230;]]]></description>
				<content:encoded><![CDATA[<p><em><strong>Plosnita albastra a verzei &#8211; Eurydema oleraceum</strong></em></p>
<p><a href="http://www.petala.ro/wp-content/uploads/2016/11/plosnita-albastra.jpg"><img class="size-medium wp-image-7762 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/11/plosnita-albastra-300x201.jpg" alt="plosnita-albastra" width="300" height="201" srcset="../../../wp-content/uploads/2016/11/plosnita-albastra-300x201.jpg 300w, ../../../wp-content/uploads/2016/11/plosnita-albastra-416x278.jpg 416w, ../../../wp-content/uploads/2016/11/plosnita-albastra.jpg 640w" sizes="(max-width: 300px) 100vw, 300px" /></a></p>
<p style="text-align: justify;"><strong>Descriere.</strong> Plosnita albastra a verzei (Eurydema oleracea) este un daunator prezent in toata Europa pe culturile de varzoase, plante semincere, rasaduri, etc.</p>
<p style="text-align: justify;"><em>Adultii</em> sunt lungi de 0.6-0.8 cm si late de 0.3-0.4 mm; au corpul turtit dorso-ventral, culoarea negru-albastru inchis si metalizat cu desene de culoare: crem, rosu, galben. Capul este negru inconjurat de alb pe margine. <em>Femelele</em> depun 60-70 oua. Ouale sunt cilindrice, de 0.7 mm, galben-verzui Perioada de incubatie dureaza pana la 9 zile. <em>Nimfele</em> sunt similare cu adultii, nu prezinta aripi, pot avea culoarea galben deschis sau albicioase cu desene negre.</p>
<p style="text-align: justify;"><strong>Biologie si ecologie.</strong> Insecta are in general 1-2 generatii/an. Primavara la sfarsit de aprilie-mai, adultii devin activi, se hranesc (intai pe flora spontana si apoi pe crucifere), are loc copulatia si la 3-5 saptamani dupa aceasta, depunerea oualelor. <em>Ouale</em> sunt depuse pe tulpini sau partea inferioara a frunzelor in doua randuri, cate 8-12 oua. Incubatia se desfasoara pe parcursul a 9 zile, dupa care a apar ninfele (naparlesc de 5 ori). Perioada de la ninfa la adult dureaza 25 zile, dupa care ciclul se reia sau insecta hiberneaza. Daunatorul ierneaza in octombrie in stadiul de adult in : crapaturile de sol, sub frunze, crapaturile zidurilor, sub pietre, crapaturile din ritidiom (scoarta crapata-exfoliata la pomi, arbori), etc.</p>
<p style="text-align: justify;"><strong>Plante atacate si mod de daunare.</strong> <em>Ataca varza alba, varza rosie, varza creata, gulie, conopida, brocoli, varza de Bruxelles, varza chinezeasca, varza de frunze, ridichea neagra, ridichea alba, ridichi de luna, rapita, mustar etc.</em></p>
<p style="text-align: justify;">Plosnita albastra a cruciferelor (Eurydema oleraceum) poseda un aparat de intepat si supt cu ajutorul caruia se hranesc cu sucul celular. In zonele unde insecta inteapa, apar puncte de decolorare &#8211; de culoare galbena. Atacul agresiv (numeroase itepaturi) conduce la ingalbenirea completa a frunzelor si pastailor, avortarea florilor, etc. Intepaturile insectei afecteaza atat plantele de cultura cat si plantele semincere intrucat semintele nu ajung la maturitate si raman sistave, iar pastaile se deformeaza.</p>
<p style="text-align: justify;"><strong>Masuri de prevenire si combatere.</strong></p>
<ul>
<li style="text-align: justify;">aratura efectuata inca din toamna;</li>
<li style="text-align: justify;">rotatia culturilor;</li>
<li style="text-align: justify;">mentinerea culturilor si a terenurilor din jurul acestora libere de buruieni;</li>
<li style="text-align: justify;">tratamente chimice în timpul perioadei de vegetaţie utilizând produse organofosforice sau piretroide: <strong> <a href="http://www.petala.ro/produs/insecticid-actara-25-wg-1-kg/" target="_blank">Insecticid Actara 25 WG</a>,<a href="http://www.petala.ro/produs/insecticid-faster-10-ce-1-litru/" target="_blank"> Insecticid Faster 10 CE</a>, <a href="http://www.petala.ro/produs/insecticid-decis-mega-50-ew-5-litri/" target="_blank">Insecticid Decis Meg EW 50</a>, <a href="http://www.petala.ro/produs/insecticid-pyrinex-quick-1-litru/" target="_blank">Insecticid Pyrinex Quick,</a> <a href="http://www.petala.ro/produs/insecticid-kaiso-sorbie-5-wg-1-kg/" target="_blank">Insecticid Kaiso Sorbie</a>.</strong></li>
</ul>
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