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- It is important in the degradation of plant cell walls in living plants (e.g. in leaf abscission). 在生活植物体的细胞壁的降解过程中起重要的作用（如叶子脱落）。
- GA3 applied in the fall delayed leaf abscission, promoted bud sprouting and flowering, and increased flowering rates and flower diameter of peony. 秋施GA3可使牡丹落叶期延迟，萌芽期和开花期提前，并提高牡丹的开花率，增大了花径。
- The influence of water stress and external ABA application on polyamine, ethylene biosynthesis and their relationship with leaf abscission were examined. 研究了土壤水分亏缺和ABA对多胺、乙烯生物合成的影响及其与叶片衰老脱落的关系。
- Spraying Ca 2+ ,K +,SO 2- 4,H 2PO - 4,NO - 3and Urea on apple tree leaves before leaf abscission, the content of amino acid decreases in thick roots and the fertilizers except SO 2- 4 make amino acid transport from long branches to roots system. 本文于落叶前向苹果树根外追施矿质肥料，落叶后采样测定了氨基酸、可溶性糖和P、K、B、Ca的含量。 结果表明，喷含Ca2＋、K＋、SO2－4、H2PO－4、NO－3及尿素等肥料均使粗根中氨基酸含量下降，除SO2－4外其它肥料能促进氨基酸由长枝下运至根系；
- Furthermore, ABA application induced more leaves abscised for Italica, Therefore, the threshold of ABA affecting growth and leaf abscission is high in Popularis than that of Italica. I-214杨的情况刚好相反。
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- THE CHANGES OF SUPEROXIDE RADICAL AND POLYAMINES LEVEL DURING LEAF ABSCISSION PHASE IN OLIVE 油橄榄落叶过程中氧自由基和多胺含量的变化规律
- Immunohistochemical Localization of IAA in the Leaf Abscission Zone of Syringa oblata 紫丁香叶柄离区IAA的免疫组织化学定位
- I saw him take a leaf out of the book. 我看见他从书上撕下一页。
- The maple leaf is the emblem of Canada. 枫叶是加拿大的象征。
- The trees and shrubs were in full leaf. 那些树和灌木枝叶茂盛。
- One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The trees come into leaf in spring. 春天，树木吐芽长叶。
- You should take a leaf out of Tom's book. 你应该学学汤姆。
- An abscission zone occurs at the base of the organ. 脱落区发生在器官基部的某一特化的区域。
- A leaf came upon her book as she was reading. 她正读著书,一片树叶落到她的书上。
- It is antagonistic to abscisic acid in abscission. 在脱落过程中生长素与脱落酸有拮抗作用。
- The trees are just beginning to leaf. 树刚刚开始长叶子。
- Not a leaf nor an insect stirred. 不单是树叶，连个虫子都不动。
