A category or type of goods that distinguishes one kind from another based on specific characteristics or attributes.
A classification level in biological taxonomy that identifies groups within the same species, differentiated by distinct genetic traits or features, particularly in agriculture and livestock.
A subset of cultivated plants or domesticated animals where inherited qualities confer unique traits that set them apart from others within the same species.
Example:
除草剤耐性品種でなぜ収量が増えるのか？
The process of improving plant and animal traits through techniques such as purebred separation, hybridization, and mutation to achieve desired characteristics.
A methodological approach in agriculture and animal husbandry aimed at enhancing specific desirable features or qualities in organisms.
The science and practice of developing new varieties of crops and breeds of livestock to meet human needs or environmental challenges.
Example:
１９世紀末になって初めて植物の品種改良は科学の一分野となった。
A specific variety of a plant that has been selectively bred for desirable traits, such as growth characteristics, appearance, or resistance to pests and diseases.
A cultivated variant of a plant species that exhibits distinct differences from the wild type, typically enhanced through horticultural practices for ornamental or agricultural use.
A plant type developed through artificial selection processes to improve specific features like flavor, color, or yield, distinguishing it from its naturally occurring relatives.