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Nancy Vitta, Patricia Estay, Rodrigo A. Chorbadjian
Pág. 366 - 373
Two studies were conducted with the aim of characterizing the antixenosis and antibiosis resistance expression of genotypes in the Solanum section Lycopersicon against Tuta absoluta (Meyrick). The species used were S. lycopersicum (Fiorentino, Naomi and ...
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Franklyn Arana Labrada,María Ángeles Martínez Rivero,Bertha Piñol Pérez,Leticia Duarte Martínez,Ronal Pacheco Sánchez,Madelaine Quiñones Pantoja
Pág. 235
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Alfonso Aguilera, Rodrigo Neculmán, Ramón Rebolledo
Pág. 81 - 88
In La Araucanía, the filbert aphid Myzocallis coryli (Goeze) is a pest that can cause various types of damage to hazelnut (Corylus avellana L.) including reduction in nut size and nut emptiness. M. coryli can also leave hazel leaves susceptible to the fu...
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Cinthya M. Villegas, Jaime A. Verdugo, Audrey A. Grez, Jaime Tapia, Blas Lavandero
Pág. 317 - 326
Crop edges have significant effects on populations of natural enemies, acting as source or sink habitats during the growing season. Previous observations have shown that coccinellid species are associated with thistle (Sylibum marianum (L.) Gaertn), a co...
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Audrey A. Grez, Constanza Torres, Tania Zaviezo, Marcelo Ramírez
Pág. 111 - 121
Permanent and permeable edges, where natural enemies can feed, overwinter or easily cross over, should enhance the early arrival of these predators to crops. We evaluated the abundance and species richness of coccinellids migrating to alfalfa fields a...
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Guillermo E. Heit, Graciela Cohen, Graciela Mareggiani
Pág. 167 - 172
Volatile infochemicals generated by aphids, their host plants, or from the interaction between host plant and herbivore (herbivore-induced volatile plant compounds) are among the environmental stimuli used by predators to locate prey. The objective of th...
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F. Urra, J. Apablaza
Pág. 149 - 155
Dysaphis cynarae and Copitarsia decolora are key pests of artichokes with quarantine status. Their mortality when stored near 0 ºC, for different lengths of time, was evaluated here. Experiments for D. cynarae were carried out in Pomaire and for C. decol...
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G. APABLAZA, J. APABLAZA, P. REYES, E. MOYA
Pág. 175 - 186
Viral diseases and insect vectors from weeds -growing adjacent to fields of tomato, pepper, melon, watermelon and squash - were determined in theVth and Metropolitan regions of Chile. Two hundred and eleven weed samples showing virussymptoms were analyze...
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G. Verdugo, L. Araneda, M.O. Riffo
Pág. 89 - 95
The time from harvest to flower senescence and leaf yellowing is studied in lilly flower stems of the cultivars Her Grace (Asian hybrid), Star Gazer (Oriental hybrid), and Don Quichoto (L/A hybrid) treated with the ethylene inhibitor EthylBloc or silver ...
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J. E. Ortúzar, L. Barrales, I. Peña, P. Carmona, G. Valdivieso
Pág. 27 - 38
Foreign market opportunities and domestic oversupply of navel oranges (Citrus sinensis (L.) Osbeck) in Chile has motivated growers to delay Navel orange harvest. This has been possible due to the introduction of late maturing cultivars. Nevertheless, an ...
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