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- There are 24 kinds of allelochemicals of root exudates in pepper. 辣椒根系分泌物的化感物质共有24种。
- The metal pollutants are detained outside the roots by chelation,complexation and disposition with root exudates. 通过螯合、络合、沉淀等作用将金属污染物滞留于根外;
- The results are showed as follwings: 1) In American ginseng, autotoxin activity is high chemically in the stems, leaves, fibrous roots and hydrophobic root exudates. 结果表明:西洋参茎叶、须根和根系分泌物中存在活性较高的自毒物质。
- Root exudates markedly altered in species and quantity under heavy metal stress. 在重金属胁迫下,植物根系分泌物种类和量会发生显著变化。
- The root exudates of White fox on four receiver plants showed greater inhibition than the promoter action. 白狐百合根系分泌物对4种受体植物的化感作用,总体上表现为抑制作用大于促进作用。
- Plants could adapt to environment by change rhizospheric characteristic through adjusting components of root exudates. 植物通过调节根分泌物的组成来改变根际状态以适应外界环境。
- Cinnamic acid and vanillin are the allelochemicals commonly existed in eggplant root exudates. 摘要茄子根系分泌物中普遍存在肉桂酸和香草醛等化感物质。
- The effects of the root exudates on hyphal growth of pathogenic fungi, Fusarium oxysporum Schlecht.(F. ox. 同时检测了培养基中添加大豆根系分泌物和纯品氨基酸对大豆根腐病菌菌落生长的影响。
- In the text, we identify the phytotoxic substances in root exudates of cucumber by GC-MS, the root exudates was collected with Amberlite XAD-4 resin. 本文采用GC-MS分析法,鉴定了XAD-4吸附树脂连续收集黄瓜水培液所获得的黄瓜根系分泌物的种类。
- Root exudates play an important role in relieving nutrient deficiency and determining the number of rhizosphere bacteria. 根系分泌物的产生机制多样,组成成分复杂,影响因素繁多。
- One of the common used techniques for collecting root exudates in large amount is CRETS (continual root exudates trapping system). 对于根分泌化感物质的分离鉴定技术有多种,可根据需要选择适宜的分离方法。
- Ethephon and mapiquat chloride was mixed and then used for investigation of effects on the root exudates of summer corn cv.3315 in 1996. 研究结果表明:夏玉米根系伤流量在吐丝期前后达到高峰,其后随着植株的衰老成熟不断下降,伤流液中各种营养元素和内源激素流量基本与伤流量的变化趋势一致。
- The balance method was used to simulate the adsorption reaction of phosphorus in karst soil under the existing of root exudates. 利用平衡法模拟喀斯特地区土壤在有根分泌物存在时的磷吸附反应。
- Both low and high concentration of root exudates all promated shoot length and stem diameter of eggplant, and restrained side root number and ratio of root to plant of eggplant. “陕椒2006”的低浓度和高浓度根系分泌物,均对茄子的芽长和茎粗生长有促进作用,对其侧根数和根冠比有降低作用。
- There were a high citric concentrations in the root exudates in the co-crop of non-accumulative Sedum alfredii and Z. mays, while it was not detected in single planting. 玉米和非富集东南景天套种根系分泌高含量的柠檬酸,而在单种处理中柠檬酸未检出。
- Allelochemicals are the predominant constituents identified from root exudates, which have physiological and biochemical functions and take effect on soil biota. 摘要植物根系分泌物包含多种功能次生物质,其中化感物质是具有重要生理生化功能的一类物质,这些化感物质释放到根际,能够对土壤生物产生影响。
- Collection and analysis methods of plant root exudates as well as the factors influ-encing the secretion of root exduates and the composition of exudates are summarized. 概述了根系分泌物的产生、收集与分析方法及其影响因素和根系分泌物组分。
- Therefore, these fractionated solutions with the un-fractionated root exudates solution were added into the culture solutions of young seedlings with four leaves, respectively. 加入酸溶性、碱溶性、中性组分的根系分泌物,均降低幼苗根系活力,以中性组分的抑制作用较强。
- The root length and the number of lateral root of lettuce and starriness were significantly inhibited by the root exudates of lily cv.Pollyanna, and the other targets were not significantly inhibited. 波利安娜百合根系分泌物对莴苣和满天星的根长和侧根数的抑制作用均达到显著水平(这可能是根系与化感物质直接接触所致),但对这2种受体植物其他指标的抑制作用均未达显著水平;
- The mobilization of wheat and rice root exudates on cadmium sulfide CdS,in rice rhizosphere and their effects on Cd uptake and transport by rice in vermiculite and nutrient solution were investigated. 采用人工控制光温条件的蛭石 -营养液相结合的培养方法 ,对根分泌物活化难溶性硫化镉以及对水稻吸收、运输镉的影响进行了研究。