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Blog Archives

Standard operating procedures for sweetpotato breeding data management. COP Breeding Data Management SweetGAINS

Current modernization efforts of sweetpotato breeding operations in Africa establish a new mindset. A modern sweetpotato breeding program continuously generates vast amounts of data on which it depends for all decision making throughout the program. Without a proper systematization of efforts, it is likely that significant mistakes can be unwillingly …

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Procedures for the Evaluation of Sweetpotato Trials

Sweetpotato Research Guides (SPRGs) This document describes technologies that have been developed and used by CIP in cooperation with national agriculture research programs to promote research and the exchange of information among sweetpotato scientists. Procedures and forms for data collection described here are now being used in integrated electronic tools …

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The “Stage Selection Gain 1to3”

Readme for SSG1to3 program The “Stage Selection Gain 1to3” (SSG1to3) in R (SSG1to3_R) or SAS (SSG1to3_SAS) is a simple program to determine the response to selection in standardized units (R) after 1-stage selection with up to three seasons of testing, 2-stage selection with two seasons of testing, and 3-stage selection …

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Monitoring Tools, Training

These tools are important when conducting training events. They can be customized and are useful in recording who has received training, the gender of the trainee, and who they have subsequently trained. Tool 12.3.6a is for monitoring who has received sweetpotato training and what they plan to do as a …

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Module 3: Yield Estimation Using Crop Cuts

Many programs or projects have as one of their key goals to improve agricultural productivity. To do so, it is critical to be able to monitor yields of the crops(s) of interest. Estimation of crop yields in farmer fields has been a major topic of discussion. While knowing the productivity …

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