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		<title>Boli, daunatori, factori de mediu</title>
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			<title>Boli, daunatori, factori de mediu</title>
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			<title>Bacteriozele violetelor africane</title>
			<link>http://pasiuneamea.forumulmeu.net/boli-daunatori-factori-de-mediu-f15/bacteriozele-violetelor-africane-t26.htm</link>
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			<description>La violetele africane, cele mai intalnite bacterioze sunt cele cauzate de:

-Erwinia chrysanthemi, Erwinia carotovora

-Agrobacterium tumefaciens

Bacteriile se manifesta la plante sub forma de: patari, arsuri, putregaiuri, hipertofii, ofiliri, ulcere, etc.



Cele din genul Erwinia se manifesta prin aparitia pe frunze a unor pete brune. Mai apoi, frunza devine flasca, boala intinzandu-se si pe tulpina sub forma unui putregai moale. Tratarea bolii este dificila, de aceea cel mai bine e sa prevenim  ...</description>
			<category>Boli, daunatori, factori de mediu</category>
			<pubDate>Sat, 06 Mar 2010 10:43:57 GMT</pubDate>
			<comments>http://pasiuneamea.forumulmeu.net/boli-daunatori-factori-de-mediu-f15/bacteriozele-violetelor-africane-t26.htm#30</comments>
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