Role of Artificial Selection Based on the Farmer’s Choice in Diversification of Rice (Oryza sativa L.) Cultivars: Assessment of Character Weight of Aromatic Group

Santi Ranjan Dey; Mitu De

doi:10.31632/ijalsr.2023.v06i03.003

Santi Ranjan Dey Department of Zoology, Rammohan College, Kolkata, West Bengal, India https://orcid.org/0000-0003-2769-9109
Mitu De Department of Botany, Gurudas College, Kolkata 7000054, India https://orcid.org/0000-0002-0757-2381

DOI https://doi.org/10.31632/ijalsr.2023.v06i03.003

Abstract

Recent years have seen a boom in the study of rice genetics and evolution, as was to be expected given the repeated sequencing of the entire rice genome. The most significant domestication-related genes have received the most attention in the cloning of rice genes. Two recent studies disclose the cloning of numerous genes linked to rice breaking. Two further articles on the spread of shattering in rice have since been published. Fresh insights from other areas of plant science, such archaeobotany, are also helping to shed light on how rice evolved in addition to DNA study. Although it may be believed that recent research on rice will provide answers to certain fundamental questions regarding the growth of the grain, seemingly incongruous results and their interpretations have left numerous crucial questions unresolved. A plant has many different characteristics, but when those characteristics are chosen for domestication, the process of selection becomes somewhat "artificial". The development and consideration of "Dendogram" is typically based on either "Morphological Characters" or "Genetic Materials." The purpose of this experiment was to show that the "Evolution of Domestic Characters" or "Farmers Factor," rather than the development of the species of Oryza, was responsible for the local level evolution of rice cultivars. We discovered that certain characteristics, such as elongation after cooking or spikelet quantity, were prioritized by our ancestors when choosing local cultivars.

Keywords: Cluster analysis, Farmer Factor, Oryza, Rice Variety, Selection

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