Disease and sprout control in individually film wrapped potatoes
- 1 October 1990
- journal article
- Published by Springer Science and Business Media LLC in American Journal of Potato Research
- Vol. 67 (10), 705-718
- https://doi.org/10.1007/bf03044017
Abstract
Potatoes (Solanum tuberosum L. cv Russet Burbank) were individually wrapped in Cryovac D-955, a biaxially oriented shrink film, and stored at 24°C. The wrapped potatoes were either treated with a fungicide (thiobendazole), or the film itself was coated with an antimicrobial agent (silicon quaternary ammonium salt) to control diseases that may appear during storage and marketing. Under film wrapped conditions, disease control using a fungicide or antimicrobial agent was not completely successful; however, the marketable qualities of the potatoes were not affected. Disease spread under film wrapped conditions was minimized if the potatoes were disinfected in chlorine (0.5% sodium hypochlorite) and wrapped after they were dried. In another study dormant and post-dormant potatoes were individually film wrapped after they were treated with maleic hydrazide (MH) (pre-harvest treatment) or isopropyl N-(3-chlorophenyl) carbamate (CIPC) (postharvest treatment) for sprout control. Under film wrapped conditions, MH decreased sprouting in the dormant potatoes but not in the post-dormant potatoes. CIPC inhibited sprouting in the post-dormant film wrapped potatoes but was less effective in the dormant potatoes. Se envolvieron, individualmente, papas (Solanum tuberosum L. cv Russet Burbank) en Cryovac D-955, una película que se contrae, orientada biaxialmente, y se almacenaron a 24°C. Las papas envueltas fueron tratadas ya sea con un fungicida (tiobendazole), o la película misma cubierta con un agente antimicrobiano (sal amónica de silicio cuaternario) para controlar enfermedades que pueden aparecer durante el almacenamiento y mercadeo. Bajo las condiciones de envoltura en pelÍcula, el control de enfermedades utilizando fungicida o agente antimicrobiano no fue completamente exitoso; sin embargo, la calidad comerciable de las papas no fue afectada. Las enfermedades diseminadas bajo condiciones de envoltura con pelÍcula fueron minimizadas silas papas eran desinfectadas en cloro (hipoclorito de sodio al 0,5%) y envueltas después que se ubieran secado. En otro estudio, papas en estado de reposo o posreposo fueron envueltas, individualmente, en pelÍcula después de ser tratadas con hidrazida maleica (tratamiento de precosecha) o con isopropil N- (3-clorofenil) carbamato (CIPC) (tratamiento de poscosecha) para controlar el brotamiento. Bajo condiciones de envoltura con pelÍcula la hidrazida maleica disminuyó el brotamiento en las papas en reposo, pero no en aquellas en posreposo. CIPC inhibió el brotamiento en las papas en posreposo envueltas en pelÍcula, pero fue menos efectivo en aquellas en reposo.Keywords
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