2012
DOI: 10.35196/rfm.2012.1.69
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RENDIMIENTO DE PAPA EN FUNCIÓN DE EPIDEMIA POR TIZÓN TARDÍO (Phytophthora infestans Mont. de Bary)

Abstract: Con el objetivo de estudiar la relación cuantitativa entre el rendimiento de papa (Solanum tuberosum L.) de dos cultivares (‘Alpha’, susceptible, y ‘Zafiro’, moderadamente resistente al tizón tardío), y la severidad del patógeno en Toluca, México, que se manejó mediante aplicaciones semanales de 0.575 kg i.a ha-1, 1.15 kg i.a ha-1 y sin aplicación, del fungicida Clorothalonil. Hubo diferencias estadísticas entre cultivares y entre dosis del fungicida en un mismo cultivar (P < 0.05). La relación entre el ren… Show more

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Cited by 5 publications
(3 citation statements)
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“…Although it is valid to highlight that there was no presence of the disease in tubers, it is important to recognize the importance of tuberization in the commercial yield of the crop since if it remains free of the pathogen, the formation of as many tubers as the genetics of the plant can express will be induced. Under specific management conditions, the development of these tubers will depend on the events that occur after this phenological stage, corresponding to tuber filling (Romero et al, 2012). Tuber growth rate depends on the net assimilation rate (NAR) present in the vegetative stage.…”
Section: Resultsmentioning
confidence: 99%
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“…Although it is valid to highlight that there was no presence of the disease in tubers, it is important to recognize the importance of tuberization in the commercial yield of the crop since if it remains free of the pathogen, the formation of as many tubers as the genetics of the plant can express will be induced. Under specific management conditions, the development of these tubers will depend on the events that occur after this phenological stage, corresponding to tuber filling (Romero et al, 2012). Tuber growth rate depends on the net assimilation rate (NAR) present in the vegetative stage.…”
Section: Resultsmentioning
confidence: 99%
“…The Superior clon showed a 10% greater loss in total yield compared to Pastusa Suprema without chemical management of the disease and 9% less yield loss than that of ICA Única without chemical management of the disease. Romero et al, (2012) demonstrated that the duration of the foliage, where it remains with physiological activity, and its influence on potato tuber production is of high importance. In the potato crop, there is a capture between 87 to 96% of photosynthetically active radiation, when LAI of 3 to 4.5 is present; the higher the LAI, the more growth is presented in the tubers (Soto et al, 2018).…”
Section: Resultsmentioning
confidence: 99%
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