The general shape of the above-ground parts of herbaceous plants, determined by characteristics such as stems and branch spread. It is a concept similar to the tree shape of trees, and is often used in the agricultural field in particular. Because plant type is strongly determined genetically, it is considered to be one of the main characteristics when expressing the characteristics of a species or variety. There are various ways to classify plant types depending on the crop, but the following are a few examples. First, based on the characteristics of the stem, they are distinguished as upright, creeping, dwarf, creeping, etc. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
茎や枝張りなどの特性によって規定される草本性植物の地上部の概形をいう。樹木についていわれる樹形にも通ずる概念で,とくに農学分野で使われることが多い。草型は遺伝的に規定される面が強いため,種や品種の特性を表現する場合の,主要な形質の一つとして重要視されている。作物により草型の分類方式は多様であるが,以下二,三の例を示すと,まず,茎の性質に基づいて直立型,匍匐(ほふく)型あるいは矮性,つる性などという区別がなされている。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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