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Survival of Escherichia coli on onion during field curing and packout. Author(s): SHOCK, C. C.; PINTO, J. M.; LAUBACHER, T. A.; ROSS, R. D.; MAHONY, A. C.; KREEFT, H.; SHOCK, B. M. The Food and Drug administration has expressed concern that Onions (Allium cepa) irrigated with water contaminated with high rates of Escherichia coli could harbor E. coli on their surface or interior... ... Repository: BDPA Publication year: 2013
Onion storage in sterilized new plastic crates compared to storage in old wooden boxes. Author(s): SHOCK, C. C.; PINTO, J. M.; KREEFT, H.; SHOCK, B. M The United States Food and Drug Administration?s (FDA) proposed water rules to implement the Food Safety Modernization Act (FSMA). The FDA has proposed that plastic totes be substituted for wooden bin... ... Repository: BDPA Publication year: 2013
Outcrossing and heterozygosity rates in tropical onion populations. Author(s): ALVES, I. L. de S.; SANTOS, C. A. F. Outcrossing and heterozygosity rates are important to define genetic conservation and breeding strategies, and these estimates are quite rare for onions. This study aimed to estimate cross-pollination... ... Repository: BDPA Publication year: 2022
Fertility restoration locus and cytoplasm types in onion. Author(s): FERREIRA, R. R.; SANTOS, C. A. F.; OLIVEIRA, V. R. de The objective of this study was the identification of the cytoplasmic types and the genotyping for the fertility restoration nuclear locus (Ms) in 59 onion accessions, aiming at the selection of ‘A’ a... ... Repository: BDPA Publication year: 2017
Identification of maintainer and male sterile lines within a Brazilian onion tropical population. Author(s): SANTOS, C. A. F.; OLIVEIRA, V. R. de; COSTA, N. D. These identified lines will be important to develop tropical onion hybrids well-adapted to Brazilian low latitudes and to future comparative studies with other onion CMS commercial systems. Repository: BDPA Publication year: 2010
Onion response to irrigation criteria for two varieties at two plant populations. Author(s): PINTO, J. M.; SHOCK, C. C.; FEIBERT, E. B. G.; SAUNDERS, L. D. Past research at the Malheur Experiment Station demonstrated the sensitivity of onion yield and grade to soil water tension (SWT) (Shock et al. 2000). The ideal SWT for initiating irrigations for drip... ... Repository: BDPA Publication year: 2014
Review of two decades of progress in the development of successful drip irrigation for onions. Author(s): SHOCK, C. C.; FEIBERT, E. B. G.; PINTO, J. M. The irrigation needs of long day onion (Allium cepa) have been extensively studied at Ontario, Oregon, over the past 22 years. Drip irrigation has compared favorably with furrow and sprinkler irrigati... ... Repository: BDPA Publication year: 2013
Onion response to late-season water stress at two plant populations. Author(s): PINTO, J. M.; SHOCK, C. C.; FEIBERT, E. B. G.; SAUNDERS, L. D. Split onion bulbs is a phenomenon where the bottom of the bulb splits open. Split bulbs can reduce onion crop marketable yields. Anecdotal evidence suggests that late-season irrigation interruptions c... ... Repository: BDPA Publication year: 2014
Onion response to phosphorus application strategies and in-season nutrient supplementation. Author(s): PINTO, J. M.; SHOCK, C. C.; FEIBERT, E. B. G.; SAUNDERS, L. D. Germinating onion seed and new onion seedlings have difficulty obtaining adequate phosphorus (P) for ideal early growth. Low soil temperatures in Oregon and Idaho reduce soil P availability early in t... ... Repository: BDPA Publication year: 2014
Genetic gain of Valenciana onion populations developed in the Brazilian Semi-Arid region. Author(s): OLIVEIRA, A. E. S. de; SANTOS, C. A. F.; LUZ, L. N. da; OLIVEIRA, V. R.; CANDEIA, J. A.; CARVALHO FILHO, J. L. S. de The aim of the present study was to estimate the genetic improvement in the last recurrent selection cycles applied in two Valenciana onion populations in Petrolina, PE. The experiments were carried o... ... Repository: BDPA Publication year: 2017

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