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White, Jeffrey W.Kornegay, Julia L.[Response of common bean to photoperiod and temperature: a micro review]Response of common bean to photoperiod and temperature: a micro review
Blair, Matthew W.Namayanja, ARKimani, P.M.Checa Coral, Oscar E.Cajiao V., César HernandoKornegay, Julia L.[Development and testing of mid-elevation, commercial-type, Andean climbing beans]Development and testing of mid-elevation, commercial-type, Andean climbing beans
Morales, Francisco JoséKornegay, Julia L.[The use of plant viruses as markers to detect genes for resistance to bean common mosaic and bean common mosaic necrosis viruses]The use of plant viruses as markers to detect genes for resistance to bean common mosaic and bean common mosaic necrosis viruses

Significant advances in increasing tolerance to the leafhopper Empoasca kraemeri Ross & Moore in common bean have been obtained using a new breeding scheme where yield under leafhopper attack is the principal selection criterion in the evaluation of progenies. However, to further refine this bree...


Kornegay, Julia L.Cardona, C.[Development of an appropriate breeding scheme for tolerance to Empoasca kraemeri in common bean]Development of an appropriate breeding scheme for tolerance to Empoasca kraemeri in common bean

The bean weevil Acanthoscelides obtectus, is an important storage pest of common beans in Latin America and Africa. A few wild bean accessions from Mexico have been identified as highly resistant to the weevil. One accession, G 12952, was crossed to two susceptible bean cultivars differing in see...


Kornegay, Julia L.Cardona, C.[Inheritance of resistance to Acanthoscelides obtectus in a wild common bean accession crossed to commercial bean cultivars]Inheritance of resistance to Acanthoscelides obtectus in a wild common bean accession crossed to commercial bean cultivars
Blair, Matthew W.Hoyos, A.Cajiao V., César HernandoKornegay, Julia L.[Registration of two mid-altitude climbing bean germplasm lines with yellow grain color, MAC56 and MAC57]Registration of two mid-altitude climbing bean germplasm lines with yellow grain color, MAC56 and MAC57

Over 150 bean (Phaseolus vulgaris) pure lines and accessions were evaluated in growth chamber and greenhouse trials for reactions to one or more populations of root-knot nematodes (Meloidogyne spp.) collected from Colombia or the United States. Bean pure lines and accessions were evaluated for ro...


Mullin, BAAbawi, G.S.Pastor Corrales, Marcial A.Kornegay, Julia L.[Reactions of selected bean pure lines and accessions to Meloidogyne species]Reactions of selected bean pure lines and accessions to Meloidogyne species

In 1993, seed from the EMP series reportedly resistant to leafhoppers (Empoasca Kraemeri Ross & Moore), was obtained from Centro Internacional de Agricultura Tropical (CIAT), South America and planted at Ridgetown, ON. Under severe potato leafhopper, Empoasca fabae (Hams), pressure the selections...


Schaafsma, AWCardona Mejía, CésarKornegay, Julia L.Wylde, AMMichaels, TE[Resistance of common bean lines to the potato leafhopper (Homoptera: Cicadellidae)]Resistance of common bean lines to the potato leafhopper (Homoptera: Cicadellidae)

A survey of root-knot nematodes associated with bean (Phaseolus vulgaris) roots and soils in the major bean production regions of Colombia and Peru was conducted during 1988 1989. Over 150 samples were processed for these parasites, and specimens from more than 100 of the collections were identif...


Mullin, BAAbawi, G.S.Pastor Corrales, Marcial A.Kornegay, Julia L.[Root-knot nematodes associated with beans in Colombia and Peru and related yield loss]Root-knot nematodes associated with beans in Colombia and Peru and related yield loss

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