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DQA Data Collection Tool

Author: Godfrey Mulongo 2017

The DQA Data Collection Tool presents a Data Verification and System Assessment tool with – 1. Data Verifications; recounting reported results, and, reporting performance 2. System assessment; I – M&E capacities roles and responsibilities, training, indicator definitions, data reporting requirements, data-collection and reporting forms and tools, data management processes and data quality …
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Sweetpotato Vine Dissemination Form

Author: Jan W. Low, Temesgen Fitamo Bocher et al. 2017

This tool is for monitoring the dissemination of sweetpotato planting materials from a mass multiplication process. The tool is suitable for monitoring the dissemination of sweetpotato planting material from a voucher system, and includes details of who received the planting material vouchers, telephone contacts and whether the vines were labelled …
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Procedures for chemical analysis of potato and sweetpotato samples at CIP’s Quality Nutrition Laboratory

Author: Burgos, G., Sosa, P. et al. 2014

In “Procedures for chemical analysis of potato and sweetpotato samples at CIP’s Quality Nutrition Laboratory” the procedures described are the analysis of carotenoids and vitamin C in fresh samples of potato, and of phenolic compounds and anthocyanins and the evaluation of the antioxidant activity in lyophilized potato samples. The procedure …
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Procedures for chemical analysis of potato and sweetpotato samples at CIP's Quality Nutrition Laboratory

Author: Burgos, G., Sosa, P. et al. 2014

In “Procedures for chemical analysis of potato and sweetpotato samples at CIP’s Quality Nutrition Laboratory” the procedures described are the analysis of carotenoids and vitamin C in fresh samples of potato, and of phenolic compounds and anthocyanins and the evaluation of the antioxidant activity in lyophilized potato samples. The procedure …
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SI Example

SI Example

Contributors: Luka Wanjohi 2011

This document is a review of genotypes in two locations, La Molina and Satipo. The SI Example shows how each genotype reacts in the different locations in relation to iron, zinc, calcium and magnesium.
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HQU – Sweetpotato NCM-ELISA Virus Detection – OP021

Author: International Potato Center (CIP) Contributors: Luka Wanjohi, Segundo Fuentes November 03, 2012

These operational procedures are for NCM-ELISA, an immuno-enzymatic test that uses nitrocellulose membranes instead of the polystyrene microtitration plates as a support for the reagents used in the serological reaction. The test is as sensitive as the direct double antibody sandwich ELISA (DAS-ELISA), easier to perform, and can be completed …
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HQU – Sweetpotato Indicator plant diagnostic procedure – OP022

Author: International Potato Center (CIP) Contributors: Luka Wanjohi, Segundo Fuentes November 13, 2012

This OP explains how to use grafting – a technique whereby cut tissue surfaces of different plants are placed in close contact to effect a union. Grafting is considered to be a universal method for transmitting viruses, because grafting can transmit systemic viruses. Some grafts, however, are easier to do …
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HQU – Sweet Potato Virus Indexing Procedure – OP023

Author: International Potato Center (CIP) Contributors: Luka Wanjohi, Segundo Fuentes November 13, 2012

This standard procedure has been established based on current information for virus testing of sweetpotato germplasm, with the recognition that it will need to be revised as new information becomes available. The procedure includes symptomatology in sweetpotato plants grown in greenhouse (pots), as well as in Ipomoea setosa plants grafted …
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