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The tropical forage legume Clitoria ternatea (L.) has important agronomic traits such as adaptation to a wide range of soil conditions and resistance to drought. It is resistant to a number of pathogens and pests. These important traits gave us reasons to look more closely at the plant. A highly ...


Kelemu, SegenetCardona, C.Segura, G.[Antimicrobial and insecticidal protein isolated from seeds of Clitoria ternatea (L.), a tropical forage legume]Antimicrobial and insecticidal protein isolated from seeds of Clitoria ternatea (L.), a tropical forage legume

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

Four different types of arcelin, a protein that plays an important role in resistance to bruchids such as Zabrotes subfasciatus, were identified in wild accessions of Phaseolus vulgaris. Isogenic lines with cultivated black- (Porrillo 70) and white- (Sanilac) seeded parents were obtained by norma...


Harmsen, R.Bliss, Fredrick A.Cardona, C.POSSO, C.E.Osborn, Thomas C.[Transferring genes for arcelin protein from wild to cultivated beans: Implications for bruchid resistance]Transferring genes for arcelin protein from wild to cultivated beans: Implications for bruchid resistance
Aguirre, L.M.Cardona, C.Miles, John W.Sotelo, G.[Characterization of resistance to adult spittlebugs (Hemiptera:Cercopidae) in Brachiaria spp.]Characterization of resistance to adult spittlebugs (Hemiptera:Cercopidae) in Brachiaria spp.

Nymphs and adults of several spittlebug (Hemiptera: Cercopidae) species are key pests of forage brachiariagrasses (Brachiaria spp.) in tropical America. To support current breeding programs, a series of experiments aimed at characterizing the mechanisms of resistance to adult feeding damage were ...


Aguirre, L.M.Cardona, C.Miles, John W.Sotelo, G.[Characterization of resistance to adult spittlebugs (Hemiptera: Cercopidae) in Brachiaria spp.]Characterization of resistance to adult spittlebugs (Hemiptera: Cercopidae) in Brachiaria spp.

An expt. to study the background soil effects associated with var. resistance in bean pest populations, virus incidence and yield was carried out at the Centro Internacional de Agricultura Tropical (CIAT), Palmira, Colombia from Jan.-March, 1978. The effect of the treatments and of the var. on Em...


Hohmann, C.L.Schoonhoven, Aart vanCardona, C.[Manejo de pragas do feijoeiro (Phaseolus vulgaris, Linnaeus, 17S3) atraves da utilizacao de cobertura de solo associada a resistwncia varietal]Manejo de pragas do feijoeiro (Phaseolus vulgaris, Linnaeus, 17S3) atraves da utilizacao de cobertura de solo associada a resistwncia varietal

Plants can resist herbivore damage through three broad mechanisms: antixenosis, antibiosis and tolerance. Antixenosis is the degree to which the plant is avoided when the herbivore is able to select other plants. Antibiosis is the degree to which the plant affects the fitness of the herbivore fee...


Parsa, SSotelo, G.Cardona, C.[Characterizing herbivore resistance mechanisms: spittlebugs on brachiaria spp. as an example]Characterizing herbivore resistance mechanisms: spittlebugs on brachiaria spp. as an example

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