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Procedures for chemical analysis of potato and sweetpotato samples at CIP's Quality Nutrition Laboratory

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

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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PLABSTAT: A computer program for statistical analysis of plant breeding experiments

PLABSTAT

PLABSTAT may be read as PLAnt Breeding STATistical program or alternatively as PLAnned Block experiments and their STATistical analysis. In the age of wide-spread statistical computer packages the question arises if special programs for statistical analyses of agronomy and plant breeding experiments should be written. The present program is concise …

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Guidelines for the Conduct of Tests for Distinctness, Uniformity and Stability

The purpose of these guidelines (“Test Guidelines”) is to elaborate the principles contained in the General Introduction (document TG/1/3), and its associated TGP documents, into detailed practical guidance for the harmonized examination of distinctness, uniformity and stability (DUS) and, in particular, to identify appropriate characteristics for the examination of DUS …

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HQU – Sweetpotato NCM-ELISA Virus Detection – OP021

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

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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