单词	plant hormone
释义	plant hormone noun : an organic substance other than a nutrient that in minute amounts modifies a plant physiological process especially : one produced by a plant and active elsewhere than at the site of production Example Sentences Recent Examples on the Web Ethylene is a natural plant hormone that triggers produce to ripen faster. Karla Walsh, Better Homes & Gardens, 15 Sep. 2022 Spuds and apples can give off high levels of ethylene gas (a natural plant hormone), which can trigger spouting. Rita Pelczar, Better Homes & Gardens, 24 Aug. 2022 Tomatoes are sensitive to ethylene, a natural plant hormone that contributes to ripening. Miri Talabac, Baltimore Sun, 28 July 2022 The bacteria can suck nitrogen from the air to provide crucial minerals for the plants, protect the plants against pathogens, make the plants more drought-resistant and increase plant hormone production. Michelle Shen, USA TODAY, 6 Nov. 2021 Solowey soaked the seeds in water and applied commercial plant hormones and fertilizer, but the protocol for planting them was essentially no different than for modern seeds. Sarah Zhang, The Atlantic, 5 Feb. 2020 The other chemicals include vitamins, minerals (including the electrolytes sodium and potassium), and plant hormones like cytokinins (that may benefit the body in various ways). Alexandra Hansen, Quartzy, 5 Nov. 2019 By studying natural variations in root structure and the genetics associated with these variations, the team homed in on a previously unknown biological pathway that regulates auxin, a plant hormone that helps control root growth. San Diego Union-Tribune, 11 July 2019 Among the renitent was Ted Farmer, then a postdoc in the Washington State University lab of renowned plant hormone expert Clarence Ryan. Quanta Magazine, 16 Dec. 2013 See More Word History First Known Use 1932, in the meaning defined above Medical Definition plant hormone noun ˈplant-  : an organic substance other than a nutrient that in minute amounts modifies a plant physiological process especially : one produced by a plant and active elsewhere than at the site of production called also phytohormone
随便看	shrink ring shrink rule shrink-mixed concrete shrink-wrap shrink-wrapped shrink-wrapping shrink-wraps shrinkable shrinkabler shrinkablest shrinkage shrinkage rule shrinkage stope shrinkages shrinker shrinkers shrinkflation shrinkhead shrinking shrinking from shrinking head shrinking violet shrinking violets shrinkingly shrinks

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。