NDLI: Etiología Y Efecto En Genotipos Del Pardeamiento Y La Brotación Anormal Asociado Con Fitoplasmas En Tubérculos De Papa* Etiology and Effect in Genotypes of Browning and Abnormal Sprout Associated to Phytoplasmas in Potato Tubers

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Etiología Y Efecto En Genotipos Del Pardeamiento Y La Brotación Anormal Asociado Con Fitoplasmas En Tubérculos De Papa* Etiology and Effect in Genotypes of Browning and Abnormal Sprout Associated to Phytoplasmas in Potato Tubers

Content Provider	Semantic Scholar
Author	Díaz-Valasis, Margarita Cadena-Hinojosa, Mateo Armando Rojas-Martínez, R. I. Zavaleta-Mejía, Emma Bujanos-Muñiz, Rafael Allende, Celaya-San Miguel De
Copyright Year	2010
Abstract	Potato purple top affects yield and tubers quality by browning and the abnormal sprout associated with it. This disease is considered of phytoplasmic origin, although Koch postulates have not been properly proven. This investigation tries to determine etiology for browning and abnormal sprouting in potato; taking this into account isolations coming from 19 genotypes of field potato with four varieties were transmitted by means of graft: Sangema that had 52.63% transmission, Michoacan that had 42.1%, Nortena with 31.57% and NAU-6 that reached 65.2%. The greenhouse potatoes cuttings with symptoms of purple tip transmitted by seed-tuber, induced symptoms of "popotillo" in red tomato; however, when grafting again in potato symptoms were not observed in the foliage, neither browning in the tubers and phytoplasma was not detected by means of reaction technique in polymerase chain. The transmission percentage for potato purple tip in greenhouse was of 37%. The browning and the abnormal sprouting in tubers were induced by an infectious pathogen, transmitted until for six successive grafts in greenhouse. The percentage of phytoplasma detection with polymerase in foliage and tuber of used varieties NAU-6, Nortena, Michoacan and
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://scielo.unam.mx/pdf/remexca/v1n4/v1n4a6.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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