Crop Variety Trials: Data Management and Analysis by Weikai Yan

By Weikai Yan

Variety trials are an important step in crop breeding and creation. those trials are an important funding in time and assets and tell a variety of judgements from cultivar improvement to end-use.  Crop kind Trials: equipment and Analysis is a pragmatic quantity that gives priceless theoretical foundations in addition to a advisor to step by step implementation of potent trial tools and research in opting for the simplest kinds and cultivars.

Crop kind Trials is divided into sections. the 1st part presents the reader with a valid theoretical framework of kind review and trial research. Chapters supply insights into the theories of quantitative genetics and ideas of interpreting info. the second one component to the ebook provides the reader with a realistic step by step consultant to appropriately interpreting crop sort trial facts. mixed those sections give you the reader with fuller realizing of the character of style trials, their goals, and undemanding database and statistical instruments that might permit them to provide exact research of data.

Show description

Read Online or Download Crop Variety Trials: Data Management and Analysis PDF

Similar crop science books

Measurements of Phosphor Properties

Measuring the houses of phosphors is a vital step in constructing and choosing phosphors for particular functions. along with chapters drawn from the second one variation of the best-selling guide of Phosphors, Measurements of Phosphor homes outlines a variety of tools for characterizing and measuring the optical and luminescence houses of phosphors.

Crop Wild Relative Conservation and Use (Cabi Publishing)

Crop wild kin (CWR) are species heavily with regards to crop crops that can give a contribution worthy features, equivalent to pest or ailment resistance and yield development. those species are severe for bettering agricultural construction and extending nutrients defense. also they are crucial parts of common and semi-natural habitats in addition to agricultural platforms, and are consequently important in retaining surroundings future health.

Ecological Monitoring of Genetically Modified Crops: A Workshop Summary

Proponents of agricultural biotechnology think that genetically transformed (GM) plants have the aptitude to supply nice ecological merits, corresponding to decreased pesticide and land use, in addition to agricultural merits. besides the fact that, given the swift emergence of business GM vegetation and the most likely bring up of their use, many teams have raised matters in regards to the strength unintentional, adversarial ecological results of those vegetation.

Agronomy and economy of black pepper and cardamom

Referred to as the "King" of spices, black pepper (Piper nigrum L. ) and the "Queen" of spices, cardamom (Elettaria cardamomum M. ), either perennial vegetation of the tropics, are crucial and most generally wanted spice plants of the realm. They either have many makes use of, for instance, either are used as flavourings and as a drugs.

Extra info for Crop Variety Trials: Data Management and Analysis

Sample text

4. 5. A genotype-by-location table for each trait, A genotype-by-trait table for each location, across all locations, or across a group of locations, A genotype-by-variable table where each variable is a trait–location combination, A phenotype-by-trait table where a phenotype is a genotype–location combination, A location-by-trait table for each genotype, across all genotypes, or across a group of genotypes, and 6. Derived two-way tables such as a trait association-by-environment two-way table.

If long-term study indicates small genotype-by-year interaction (GY) and genotype-by-location-byyear interaction (GLY) in the target region, then single-year multilocation data can be used with confidence in making decisions about tested genotypes. However, such conclusion cannot be arrived from a single-year data per se. In Canada, at least two years’ multilocation data are required by most cultivar registration and recommendation committees. So the primary objective of single-year data analysis is not to select superior genotypes but to eliminate inferior genotypes.

2002). Recently, a missing value estimation procedure based on the Singular Value Decomposition (SVD) has also been developed (Yan, 2013; Chapter 6). Mega-environment analysis, test location evaluation, and genotype evaluation can then be conducted using the “completed” multiyear data. Mega-environment analysis, test location evaluation, and genotype evaluation based on multiyear data are demonstrated in Chapters 12, 13, and 14, respectively. 1 Objectives of data analysis Most publications on variety trial data analysis are on a single trait.

Download PDF sample

Rated 4.18 of 5 – based on 17 votes