| 单词 | plant hormone |
| 释义 | > as lemmasplant hormone plant hormone n. Botany = hormone n. 2. ΘΚΠ the world > life > biology > substance > process stimulators or inhibitors > hormone > [noun] > in plants hormone1911 wound hormone1921 plant hormone1932 phytohormone1933 auxin1934 heteroauxin1935 florigen1936 traumatic acid1939 abscisin1961 zeatin1963 cytokinin1965 antheridiol1967 abscisic acid1968 oogoniol1975 1932 Science 15 July 42/2 Another extremist hypothesis..is..that many highly parasitic micro-organisms have lost their primordial autonomy, and can now multiply only under the influence of certain extraneous plant hormones..or other growth-stimulating factors. 1951 Jrnl. Chem. Education 28 113 We now use plant hormones to propagate plants, prevent preharvest drop of apples,..and defoliate plants without killing the stems. 1959 L. J. Audus Plant Growth Substances i. 18 Plant hormones are substances which regulate..some aspect of plant growth and which are produced by the organism itself. They may be growth hormones, flowering hormones, and so forth. 1992 Nat. Hist. Feb. 56/2 Pollen, delivered to the orchid flower by a visiting insect, carries with it the plant hormone auxin. < as lemmas |
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