📚 Appendix 1 : Biometrical Concepts in Plant Breeding

Plant breeding has greatly benefited from statistical and biometrical approaches over the years. Here's a detailed timeline and overview of key biometrical concepts used in plant breeding, along with the scientists who introduced them and the years they were developed.

• Path Analysis – Sewall Wright – 1921
• Discriminant Function – Smith – 1936
• D² Statistics – P.C. Mahalanobis – 1936
• Biparental Mating – Comstock and Robinson – 1948
• Diallel Analysis – Hayman and Jinks – 1954
• Graphical Approach of Diallel – Hayman – 1954
• Numerical Approach of Diallel – Griffing – 1956
• Partial Diallel – Kempthorne and Curnow – 1957
• Line × Tester Analysis – Kempthorne – 1957
• Generation Mean Analysis – Anderson – 1957
• Metroglyph Analysis – Anderson – 1957
• Three Parameter Model – Hayman, Jinks and Jones – 1958
• Triallele Analysis – Jinks and Jones – 1958
• Quadriallele Analysis – Rawling and Cockerham – 1962
• Phenotypic Stability Analysis – Finley and Wilkinson – 1962
• Predictable and Unpredictable Variation – Allard and Bradshaw – 1964
• Triple Test Cross (TTC) – Kearsey and Jinks – 1968
• Stability Analysis – Perkins and Jones – 1968