<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1665-1456</journal-id>
<journal-title><![CDATA[Biotecnia]]></journal-title>
<abbrev-journal-title><![CDATA[Biotecnia]]></abbrev-journal-title>
<issn>1665-1456</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sonora, División de Ciencias Biológicas y de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-14562024000100144</article-id>
<article-id pub-id-type="doi">10.18633/biotecnia.v26.2321</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto bioestimulante de Macrocystis pyrifera en esporas de Metarhizium anisopliae y su patogenicidad contra Chloridea virescens]]></article-title>
<article-title xml:lang="en"><![CDATA[Biostimulant effect of Macrocystis pyrifera on Metarhizium anisopliae spores and its pathogenicity against Chloridea virescens]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Manzanarez Jiménez]]></surname>
<given-names><![CDATA[Araceli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Departamento de Biotecnología Agrícola ]]></institution>
<addr-line><![CDATA[Guasave Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>26</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-14562024000100144&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-14562024000100144&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-14562024000100144&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se evaluó el efecto bioestimulante de Macrocystis pyrifera en esporas de Metarhizium anisopliae, en su crecimiento, esporulación, viabilidad y patogenicidad contra Chloridea virescens. Se prepararon nueve concentraciones a 1×107,8,9 esporas/mL con 5 %, 10 % y 20 % de alga en SDA, más tres controles positivos, y se incubaron a 150 r.p.m, 28 oC, 80 % de humedad relativa y 8 h luz, la patogenicidad se probó sobre larvas de dos días de eclosión. M. pyrifera tuvo efecto bioestimulante en M. anisopliae, y mejoró con 5 % y 10 %, con crecimiento de 4.91 µm/d, y con 20 % 4.84 µm/d, la viabilidad fue alrededor de 99 % esporas germinadas a las 24 h en todos los tratamientos, la esporulación total fue 6 × 106 a 6.7 × 108, y con solo hongo de 3 ×106 a 3.4 × 107 esporas/mL, la mortalidad más alta fue 91.5 ± 2.5 % a las 43.3 ± 1.3 h, y con solo hongo fue 80 ± 3 % a las 70 ± 5 h. Este trabajo es un aporte al control de plagas con hongos entomopatógenos mejorados con extractos de origen marino, se recomienda evaluar estos tratamientos en cultivo convencional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The biostimulant effect of Macrocystis pyrifera on Metarhizium anisopliae spores was evaluated in its growth, sporulation, viability, and pathogenicity against Chloridea virescens. Nine concentrations were prepared at 1×107,8,9 spores/mL, with 5 %, 10 % and 20 % algae in SDA, plus three positive check, and incubated at 150 r.p.m, 28 oC, 80 % relative humidity and 8 h of light. Pathogenicity was tested on larvae two days after hatching. M. pyrifera had biostimulant effect on M. anisopliae, improving growth with 5 % and 10 %, to 4.91 µm/d, and with 20 % to 4.84 µm/d. Viability was around 99 % in germinated spores at 24 h for all treatments, the total sporulation was 6 × 106 to 6.7 × 108, and with only fungus from 3 ×106 to 3.4 × 107 spores/mL. The highest mortality was 91.5 ± 2.5 % at 43.3 ± 1.3 h, and with only fungus, 80 ± 3 % at 70 ± 5 h. This work is a contribution to pest control with entomopathogenic fungi improved with extracts of marine origin. It is recommended to evaluate these treatments in conventional crop.]]></p></abstract>
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<kwd lng="es"><![CDATA[Biotecnología]]></kwd>
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<kwd lng="en"><![CDATA[Biotechnology]]></kwd>
<kwd lng="en"><![CDATA[microorganisms]]></kwd>
<kwd lng="en"><![CDATA[sustainable development]]></kwd>
</kwd-group>
</article-meta>
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