SOURCES OF RESISTANCE IN WILD MATERIALS OF BEANS TO THE ATTACK OF THE COMMON BEAN SPEAT, Acanthoscelides obtectus (SAY)
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Since no acceptable levels of resistance to Acanthoscelides obtectus (Coleoptera: Bruchidae) were found in cultivated bean lines, over 200 Mexican wild accessions were tested. Eighty-five percent of them were classified as intermediate or resistant to the insect attack. The rearing of A. obtectus for 3 generations in resistant lines reduced the reproductive capacity of the insect by up to 100%. In free-choice and no-choice test adult oviposition preference and larvae, seedpenetration preference was tested. A mean of 49.8 eggs per pod in resistant varieties versus 136,4 eggs per pod in susceptible varieties were found. When an age-specific life table was developed, the net reproductive rate (Ro) calculated was lower in the resistant variety than in the susceptible check. Pods and seed-coat were studied as factors negatively influencing the capacity of the insect to successfully colonize the wild accessions. The seed coat affected insect development slightly but the greatest effect was found when the insect fed on the cotyledons.
- GUILLERMO SOTELO, CÉSAR CARDONA, A field methodology to evaluate Brachiaria spp. for resistance to the spittlebug, Aeneolamia varia (F.) (Homoptera: Cercopidae) , Revista Colombiana de Entomología: Vol. 27 No. 1 (2001)
- MARÍA LUISA CORTÉS, CESAR CARDONA, FERNANDO TRUJILLO, EFFECTIVENESS OF THREE INSECTICIDES FOR THE CONTROL OF BEAN TOSTON, POSSIBLE Phyllonorycter sp (Lepidoptera: Gracillariidae) * IN NARIÑO , Revista Colombiana de Entomología: Vol. 16 No. 1 (1990)
- CÉSAR CARDONA, LUIS CARLOS PACHECO, FRANCISCO RENDÓN, INSECT POPULATIONS, PESTS AND BENEFITS IN COTTON SOCAS ON THE ATLANTIC COAST. METHODS AND TIMES OF DESTRUCTION , Revista Colombiana de Entomología: Vol. 5 No. 3-4 (1979)
- JORGE GARCÍA, CÉSAR CARDONA, JUÁN RAIGOSA, EVALUATION OF POPULATIONS OF PEST INSECTS IN THE ASSOCIATION SUGAR CANE - BEAN AND ITS RELATION TO PERFORMANCE , Revista Colombiana de Entomología: Vol. 5 No. 1-2 (1979)
- CESAR CARDONA, MARIA LUISA CORTÉS, ECONOMIC EVALUATION OF THE TOLERANCE OF BEAN VARIETIES TO LEAFHOPPERS. Empoasca kraemeri ROSS & MOORE (HOMOPTERA CICADELLIDAE) , Revista Colombiana de Entomología: Vol. 17 No. 2 (1991)
- CÉSAR CARDONA, JOAQUÍN GONZÁLEZ, EFFECT OF CULTURAL PRACTICES ON THE INCIDENCE AND NATURAL CONTROL OF Rupela albinella IN TWO VARIETIES OF RICE AND ITS RELATION TO YIELDS , Revista Colombiana de Entomología: Vol. 5 No. 1-2 (1979)
- PEDRO C. PRADA, ADELA RODRÍGUEZ, CÉSAR CARDONA, EVALUATION OF AN INTEGRATED PEST MANAGEMENT SYSTEM FOR GREEN BEANS IN THE PROVINCE OF SUMAPAZ (CUNDINAMARCA) , Revista Colombiana de Entomología: Vol. 19 No. 2 (1993)
- JORGE E. GARCÍA, CÉSAR CARDONA-M., AART VAN SCHOONHOVEN, RESISTANCE OF COMMON BEANS, Phaseolus vulgaris L., AL Empoasca kraemeri ROSS AND MOORE , Revista Colombiana de Entomología: Vol. 7 No. 3-4 (1981)
- FRANCISCO RENDÓN, CÉSAR CARDONA, JUAN M. BUENO, Losses caused by Trialeurodes vaporariorum (Homoptera: Aleyrodidae) and Thrips palmi (Thysanoptera: Thripidae) on snap beans in the Cauca Valley of Colombia , Revista Colombiana de Entomología: Vol. 27 No. 1 (2001)
- JUAN MIGUEL BUENO, DARÍO RAMÍREZ, CÉSAR CARDONA, The biology, habits and food plants of the whitegrub Macrodactylus near ovaticollis (Coleoptera: Scarabaeidae) , Revista Colombiana de Entomología: Vol. 24 No. 1 (1998)
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