Growth, soluble carbohydrates, and aloin concentration of Aloe vera plants exposed to three irradiance levels [0.03%]
三种光照强度下芦荟生长、可溶性碳水化合物和芦荟凝胶中的aloin含量变化
A Paez,Michael Gebre G,ME Gonzalez et al.
A Paez et al.
Research was conducted on Aloe vera, a traditional medicinal plant, to investigate the effects of light on growth, carbon allocation, and the concentrations of organic solutes, including soluble carbohydrates and aloin. The plants were vege...
B Orthen,M Popp
B Orthen
Thylakoid membranes isolated from either spinach or chickpea leaves were used as a model system for evaluating the capacity of cyclitols to act as cryoprotectants. The effect of freezing for 3 h at -18 degrees C on cyclic photophosphorylati...
Y Hirano,N Hijii
Y Hirano
Stemflow from Japanese red cedar (Cryptomeria japonica) enters forest soil at a low pH. We evaluated the responses of the root system of Japanese red cedar saplings to acidic conditions, used to simulate this situation, in two different gro...
Changes in peroxidase activity and isoenzymes in spruce needles after exposure to different concentrations of cadmium [0.03%]
接触不同浓度镉后松针中过氧化物酶活性和同工酶的变化
K Radotic,T Ducic,D Mutavdzic
K Radotic
We studied the guaiacol peroxidase activity, isoenzyme pattern and metal content in the needles of 2-year-old spruce grown on soils supplemented with cadmium concentrations from 1 to 21 mg kg(-1). Following exposure to cadmium, an initial i...
Intraspecific differences in physiological response of 20 wheat cultivars to enhanced ultraviolet-B radiation under field conditions [0.03%]
20个小麦品种在田间环境下对增强紫外线b辐射的生理反应的种内差异
L Yuan,Z Yanqun,C Jianjun et al.
L Yuan et al.
Field studies were conducted to determine the potential for alterations in physiology and the intraspecific variation in sensitivity of 20 wheat (Triticum aestivum) cultivars to enhanced ultraviolet-B (UV-B, 280-315 nm) radiation. The suppl...
Changes of reliability and efficiency of micronucleus bioassay in Vicia faba after exposure to metal contamination for several generations [0.03%]
多次暴露于金属污染后蚕豆微核试验可靠性和效率的变化研究
C Duan,B Hu,T Guo et al.
C Duan et al.
Mitotic root micronucleus (MCN) frequency in Vicia faba as a bioassay, is primarily based on the extent of the sentinel Vicia response in terms of cytogenetic damage quantitatively or qualitatively to indicate the presence of mutagenic cont...
C Soda,F Bussotti,P Grossoni et al.
C Soda et al.
Between May and September, 1996, seedlings of Pinus halepensis were placed at a site adjacent to an automated air pollution monitoring station within the urban area of Florence. Additional 'control' plants were placed in chambers ventilated...
Effect of kinetin concentration and methods of application on seed germination, yield components, yield and fiber properties of the Egyptian cotton (Gossypium barbadense) [0.03%]
不同浓度的激动素及其施用方法对埃及长绒棉萌发、产量构成及纤维品质的影响
ZM Sawan,AA Mohamed,RA Sakr et al.
ZM Sawan et al.
Two field experiments in 1993 and 1994 as well as a laboratory germination experiment were conducted on the Egyptian cotton cultivar Giza 75 (Gossypium barbadense) to determine the effect of six concentrations of kinetin (6-furfurylaminopur...
Fungicides cytotoxicity expressed in male gametophyte development in Brassica campestris after in vitro application of converted field doses [0.03%]
田间用药剂量转化后的杀菌剂对芸苔亚种甘蓝型雄性生殖细胞毒性作用的离体研究
M Pavlík,OM Jandurová
M Pavlík
A simple method to determine the toxicity of fungicides on male gametophyte in Brassica campestris subsp. oleiferae is described. The calculation of fungicide concentration used in the test is derived from doses used in field application. T...
J Franzaring,AE Tonneijck,AW Kooijman et al.
J Franzaring et al.
Ten wet grassland species were fumigated with four concentrations of ozone (charcoal-filtered air, non-filtered air and non-filtered air plus 25 or 50 nl l(-1) ozone) in open-top chambers during one growing season to investigate the long-te...