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	<title>Tripsul graului &#8211; Magazin Agro &#8211; Insecticide, erbicide, fungicide online | petala</title>
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		<title>Informatii despre Tripul graului, scapa de Haplothrips tritici</title>
		<link>../../../../informatii-despre-tripul-graului-scapa-de-haplothrips-tritici/index.html</link>
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		<pubDate>Thu, 03 Nov 2016 10:44:29 +0000</pubDate>
		<dc:creator><![CDATA[admin]]></dc:creator>
				<category><![CDATA[Insecte daunatoare]]></category>
		<category><![CDATA[Tripsul]]></category>
		<category><![CDATA[Tripsul graului]]></category>

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		<description><![CDATA[Tripsul graului &#8211; Haplothrips tritici Daunator raspandit in toata Europa, Asia si Africa, se intalneste in tara noastra, predominant, in zona submontana. Descriere: Adultul este cafeniu &#8211; negricios sau negru, lung de 1.3 &#8211; 1.5 mm. Prezinta cap mai lung decat [&#8230;]]]></description>
				<content:encoded><![CDATA[<p style="text-align: justify;"><strong><a href="http://www.petala.ro/wp-content/uploads/2016/11/tripsul.jpg"><img class=" wp-image-6865 alignright" src="http://www.petala.ro/wp-content/uploads/2016/11/tripsul-300x219.jpg" alt="tripsul" width="273" height="199" srcset="../../../../wp-content/uploads/2016/11/tripsul-300x219.jpg 300w, ../../../../wp-content/uploads/2016/11/tripsul-416x304.jpg 416w, ../../../../wp-content/uploads/2016/11/tripsul.jpg 763w" sizes="(max-width: 273px) 100vw, 273px" /></a>Tripsul graului &#8211; </strong><em>Haplothrips tritici</em></p>
<p style="text-align: justify;">Daunator raspandit in toata Europa, Asia si Africa, se intalneste in tara noastra, predominant, in zona submontana.</p>
<p style="text-align: justify;"><span style="text-decoration: underline;">Descriere:</span></p>
<p style="text-align: justify;"><em>Adultul</em> este cafeniu &#8211; negricios sau negru, lung de 1.3 &#8211; 1.5 mm. Prezinta cap mai lung decat lat, postlocular cu trei peri lungi, ascutiti si hialini. Antenele si picioarele au aceeasi culoare ca si corpul. Aripile sunt hialine, franjurate, cu o singura nervura.</p>
<p style="text-align: justify;"><em>Oul </em>este oval, alungit, lung de 0.4 mm, alb-galbui imediat dupa depunde, dar pe parcurs devine roz.</p>
<p style="text-align: justify;"><em>Larva </em>este rosie &#8211; caramizie, dar capul si ultimul segment antenal sunt negre, este lipsita de aripi iar lungimea sa este de 0.3 pana la 0.5 mm.</p>
<p style="text-align: justify;"><span style="text-decoration: underline;"><a href="http://www.petala.ro/wp-content/uploads/2016/11/tripul-graului.jpg"><img class=" wp-image-6861 alignleft" src="http://www.petala.ro/wp-content/uploads/2016/11/tripul-graului-300x239.jpg" alt="tripul-graului" width="205" height="163" srcset="../../../../wp-content/uploads/2016/11/tripul-graului-300x239.jpg 300w, ../../../../wp-content/uploads/2016/11/tripul-graului-416x332.jpg 416w, ../../../../wp-content/uploads/2016/11/tripul-graului-768x612.jpg 768w, ../../../../wp-content/uploads/2016/11/tripul-graului-1024x817.jpg 1024w, ../../../../wp-content/uploads/2016/11/tripul-graului.jpg 1037w" sizes="(max-width: 205px) 100vw, 205px" /></a>Biologie si ecologie:</span></p>
<p style="text-align: justify;">Prezinta o singura generatie pe an. Ierneaza in stadiul de larva de varsta a doua, pe paie, in interiorul paielor, la suprafata solului sau la adancimea de incorporare a miristii. Adultii apar in cursul lunii mai, in perioada inspicarii si pot fi gasiti la baza ultimelor 2 frunze ale plantelor de grau, care inca nu au inspicat. Patrund in spice in momentul desfacerii burdufului. Ouale sunt depuse la inceputul lunii iunie, intre palei si glume, frecvent la baza bobului. pe un spic pot fi gasite pana la 100 de oua. Incubatia dureaza 6 &#8211; 11 zile. Evolutia larvelor dureaza 20 &#8211; 34 de zile, timp in care trec prin 2 varste. In faza de coacere in ceara, larvele parasesc spicul, coborand la suprafata solului, iar dupa recoltare se instaleaza pe resturile vegetale din miristi si sol, unde vor si ierna.</p>
<p style="text-align: justify;"><span style="text-decoration: underline;"><a href="http://www.petala.ro/wp-content/uploads/2016/11/trips.jpg"><img class=" wp-image-6863 alignright" src="http://www.petala.ro/wp-content/uploads/2016/11/trips-300x436.jpg" alt="trips" width="155" height="225" /></a>Plante atacate si mod de daunare:</span></p>
<p style="text-align: justify;">Se hranesc cu diferite specii de graminee cultivate sau spontane. Adultii si larvele inteapa si sug sucul celular al spicelor, inainte iesirii acestora din burduf. Consecinta atacului este atrofierea organelor florale (sterilitatea partiala sau totala a spicului atacat), fenomen ce poarta denumirea de &#8222;albeata spicelor&#8221;. Boabele puternic atacate pierd continutul de gluten, nu se mai dezvolta si devin sistave. Pierderile provocate de atacul tripsilor pot ajunge la 10 &#8211; 20%.</p>
<p style="text-align: justify;"><span style="text-decoration: underline;">Masuri de prevenire si combatere:</span></p>
<p style="text-align: justify;">Masurile agrotehnice au o deosebita importanta, astfel ca executarea araturii de vara, imediat dupa recoltare, poate distruge pana la 70 &#8211; 80% din rezerva de daunatori; utilizarea soiurilor timpurii, care inspica mai devreme determina un grad mai redus de atac.</p>
<p style="text-align: justify;">In cazul depasirii pragului de daunare, respectiv 8 &#8211; 10 adulti pe spic, se recomanda tratamente chimice cu: <a href="http://www.petala.ro/produs/insecticid-actara-25-wg-1-kg/" target="_blank">Actara 25 WG</a> (0.02%), <a href="http://www.petala.ro/produs/insecticid-biscaya-240-od-1-litri/" target="_blank">Biscaya 240 OD</a> (0.16 l/ha), <a href="http://www.petala.ro/produs/insecticid-decis-mega-50-ew-1-litru/" target="_blank">Decis Mega 50 EW </a>(0.15 l/ha), <a href="http://www.petala.ro/produs/insecticid-faster-10-ce-1-litru/" target="_blank">Faster 10 CE</a> (0.15 l/ha), <a href="http://www.petala.ro/produs/insecticid-fury-10-ec-1-litru/" target="_blank">Fury 10 CE</a> (0.1 l/ha), <a href="http://www.petala.ro/produs/insecticid-kaiso-sorbie-5-wg-1-kg/" target="_blank">Kaiso Sorbie 5 WG</a> (0.15 kg/ha) etc.</p>
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