<?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>2074-8647</journal-id>
<journal-title><![CDATA[Biotecnología Vegetal]]></journal-title>
<abbrev-journal-title><![CDATA[Biot. Veg.]]></abbrev-journal-title>
<issn>2074-8647</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biotecnología de las PlantasUniversidad Central Marta Abreu de Las Villas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2074-86472020000100017</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Líneas de grano negro de Phaseolus vulgaris L. promisorias por respuesta a condiciones de estrés hídrico]]></article-title>
<article-title xml:lang="en"><![CDATA[Black grain lines of Phaseolus vulgaris L. promising for response to water stress conditions]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Veitía]]></surname>
<given-names><![CDATA[Novisel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martirena-Ramírez]]></surname>
<given-names><![CDATA[Amanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[Lourdes R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Collado]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[Damaris]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivero]]></surname>
<given-names><![CDATA[Leonardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-López]]></surname>
<given-names><![CDATA[Miriam]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central Marta Abreu de Las Villas Instituto de Biotecnología de las Plantas ]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Central Marta Abreu de Las Villas Facultad de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>20</volume>
<numero>1</numero>
<fpage>17</fpage>
<lpage>22</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2074-86472020000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2074-86472020000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2074-86472020000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El estrés causado por la sequía afecta el rendimiento de cultivos de importancia alimentaria como el frijol común (Phaseolus vulgaris L.). El presente trabajo tuvo como objetivo determinar la respuesta de líneas de frijol común de grano negro en casa de cultivo con estrés hídrico hasta la prefloración. Se evaluaron cuatro líneas posibles mutantes de grano negro bajo dos tratamientos: aplicación de riego considerando los requerimientos hídricos del cultivo y aplicación de riego solo hasta la prefloración. La siembra y las atenciones al cultivo se realizaron en correspondencia con las indicaciones establecidas en el instructivo técnico. Se seleccionaron diez plantas al azar en cada tratamiento y se midió longitud de las raíces por planta (cm), se cuantificó el número de legumbres por planta y el número de granos por legumbre. Además, se determinó el peso de 100 semillas (g). Como resultados las líneas mostraron los mayores valores de longitud de las raíces en las condiciones de aplicación de riego hasta prefloración. El resto de las variables evaluadas fueron similares en ambos tratamientos, lo que indicó que poseen cierta tolerancia a estas condiciones de estrés hídrico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Stress caused by drought affects food crops, such as common bean (Phaseolus vulgaris L.). The objective of this work was to determine the response in the greenhouse of black grain common beans lines in stress conditions for irrigation to pre-flowering. Four possible black grain mutant lines were evaluated supporting two treatments: application of irrigation considering the water requirements of the crop and the second, application of irrigation to pre-flowering. The sowing and the attention to the crop were carried out, with the indications established in the technical instructions. Ten plants were randomly selected in each treatment and evaluated: length of the roots/plants (cm), number of legumes/plant, number of grains/legumes and weight of 100 seeds (g). As a result, the lines showed the highest values of root length in the conditions of irrigation application to pre-flowering. In the rest of the variables evaluated, the lines showed a similar response in two treatments. This response indicated they have a certain tolerance to stress conditions.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[mutantes]]></kwd>
<kwd lng="es"><![CDATA[frijol común]]></kwd>
<kwd lng="es"><![CDATA[raíces]]></kwd>
<kwd lng="es"><![CDATA[suministro de agua]]></kwd>
<kwd lng="en"><![CDATA[mutants]]></kwd>
<kwd lng="en"><![CDATA[common bean]]></kwd>
<kwd lng="en"><![CDATA[roots]]></kwd>
<kwd lng="en"><![CDATA[water supply]]></kwd>
</kwd-group>
</article-meta>
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<surname><![CDATA[White]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Ochoa]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Ibarra]]></surname>
<given-names><![CDATA[PF]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inheritance of seed yield, maturity and seed weight of common bean (Phaseolus vulgaris) under semi-arid rainfed conditions]]></article-title>
<source><![CDATA[J Agric Sci]]></source>
<year>1994</year>
<volume>122</volume>
<page-range>265-73</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
