期刊文献+
共找到118篇文章
< 1 2 6 >
每页显示 20 50 100
In vitro Rapid Propagation of Ficus carica L.‘Masui Dauphine’
1
作者 李金凤 糜林 +3 位作者 陈雪平 万春雁 霍恒志 陈丙义 《Agricultural Science & Technology》 CAS 2015年第7期1360-1362,共3页
In this study, Ficus carica L. ‘Masui Dauphine' was used as the experi- mental material to investigate the effects of explant type, basal medium, hormone types and concentrations on in vitro rapid propagation of‘Ma... In this study, Ficus carica L. ‘Masui Dauphine' was used as the experi- mental material to investigate the effects of explant type, basal medium, hormone types and concentrations on in vitro rapid propagation of‘Masui Dauphine'. Accord- ing to the results, the most suitable explants for in vitro rapid propagation of ‘Masui Dauphine' were axillary buds and the best medium was modified MS + 1.0 mg/L 6-BA + 0. 05 mg/L NAA + 1.0 mg/L GA3 + 20 mg/L sucrose + 7 mg/L agar, pH 5.8. This study provided scientific basis for barge-scale cultivation of‘Masui Dauphine '. 展开更多
关键词 ficus carica l. ‘Masui Dauphine' In vitro propagation Propagation rate
下载PDF
Structural Characterization and Antioxidant Activity of Lignin Extracted from Ficus Carica L. 被引量:1
2
作者 Ibtissem Moussa Ramzi Khiari +2 位作者 Ali Moussa Gérard Mortha Mohamed Farouk Mhenni 《Journal of Renewable Materials》 SCIE 2019年第4期345-354,共10页
The most abundant phenolic biopolymer in the biosphere is the lignin.This phenolic biopolymer commonly exists in combination with polysaccharides and other cell wall components.In this study,the solvent system dioxane... The most abundant phenolic biopolymer in the biosphere is the lignin.This phenolic biopolymer commonly exists in combination with polysaccharides and other cell wall components.In this study,the solvent system dioxane-water is used to extract lignin,which is considered as unaltered native lignin.The dioxane lignin extracted from fig stems was characterized regarding to its structural feature,quantification of its functional groups,molecular weight,and evaluation of its thermal properties.Purity and molecular weight distribution of the studied lignin indicated that isolated lignin contained a low amount of sugar(c.a.19%)and had a high weight-average molecular weight(10068 g.mol-1).Lignin sample had approximately the same amounts of guaiacyl(G)and p-hydroxyphenyl(H)units with relatively fewer syringyl(S)units.The isolated lignin revealed good antioxidant properties.Therefore,it proved to have a high potential of application in new antioxidants formulations. 展开更多
关键词 ficus carica l. lignin organosolv molecular weight NMR spectroscopy antioxidant activity
下载PDF
Assessments of Biodiversity Based on Molecular Markers and Morphological Traits among West-Bank, Palestine Fig Genotypes (Ficus carica L.)
3
作者 Rezq Basheer-Salimia Murad Awad Joy Ward 《American Journal of Plant Sciences》 2012年第9期1241-1251,共11页
Both morphological characters and PCR-based RAPD approaches were used to determine the genetic diversity and relatedness among nine fig genotypes grown at the northern region of the West-Bank, Palestine. Although we t... Both morphological characters and PCR-based RAPD approaches were used to determine the genetic diversity and relatedness among nine fig genotypes grown at the northern region of the West-Bank, Palestine. Although we tested 28 primers for the RAPD technique, only 9 produced reasonable amplification products. A total of 57 DNA loci were detected in which 70.2% were polymorphic. DNA fragments presented a minimum of 3 and a maximum of 9 polymorphic bands using primers OPT-10 and OPA-18, respectively. Primers exhibited collective resolving power values (Rp) of 18.826. The Mwazi genotype showed the highest genetic distances among all of the other genotypes. Morphologically, considerable variations were found using 41 quantitative and qualitative traits. Adloni could be a very promising genotype for fresh consumption due to its very late maturation period, extended harvesting period, variable fruit size, and easy skin peeling. In addition, 7 genotypes presented firm fruits, which are a very important criterion for exporting purposes. Dendrogram constructed by UPGMA based on RAPD banding patterns appear somewhat contradictory to the morphological descriptors particularly with Swadi and Biadi genotypes (closed genetically and distanced morphologically), which might be attributed to the phenotypic modifications caused by environmental differences across regions. These preliminary results will make a fundamental contribution to further genetic improvement of fig crops for the region. 展开更多
关键词 Cluster Analysis ficus carica l. Genetic Variability Random Amplified POlYMORPHIC DNA Morphological DESCRIPTORS
下载PDF
无花果内生菌Alternaria sp.QDFB-2菌丝体化学成分的研究
4
作者 徐力 刘汉山 +4 位作者 叶桐 郝增君 王凤舞 梁詠文 申丽 《扬州大学学报(农业与生命科学版)》 CAS 北大核心 2024年第4期42-48,共7页
为研究无花果枝条内生真菌Alternaria sp.QDFB-2菌丝体的化学成分,采用硅胶柱层析、Sephadex LH-20凝胶柱层析、反相柱层析和高效液相色谱等方法对Alternaria sp.QDFB-2菌丝体粗浸膏进行分离纯化,利用核磁共振谱(NMR)和质谱(MS)等现代... 为研究无花果枝条内生真菌Alternaria sp.QDFB-2菌丝体的化学成分,采用硅胶柱层析、Sephadex LH-20凝胶柱层析、反相柱层析和高效液相色谱等方法对Alternaria sp.QDFB-2菌丝体粗浸膏进行分离纯化,利用核磁共振谱(NMR)和质谱(MS)等现代波谱技术、结合文献比对方法确定化合物的结构;采用MTT法进行化合物的体外细胞毒活性评价。结果表明:从Alternaria sp.QDFB-2菌丝体粗浸膏中分离纯化得到7种化合物:alternariol(1)、tentoxin(2)、dihydrotentoxin(3)、cyclo(Gly-Pro)(4)、cyclo(4-hydroxy-Pro-Pro)(5)、cyclo(S-Leu-S-N-methyl-Phe)(6)和uridine(7)。体外细胞毒活性评价显示,化合物1和7对SMMC-7721细胞具有中等增殖抑制活性,其IC50值分别为50.47μg·mL^(-1)(195.62μmol·L^(-1))和42.50μg·mL^(-1)(174.18μmol·L^(-1));化合物1对A549细胞也具有中等的增殖抑制活性,浓度为100μg·mL^(-1)时抑制率为52.12%;阳性对照顺铂的IC50值分别为3.46μg·mL^(-1)(11.53μmol·L^(-1))和5.12μg·mL^(-1)(17.06μmol·L^(-1))。Alternaria sp.QDFB-2菌丝体的化学成分丰富,值得深入研究。 展开更多
关键词 无花果 内生菌 Alternaria sp. 化学成分 细胞毒活性
下载PDF
5-ALA对高温下无花果扦插幼苗的生长及叶片叶绿素荧光特性的影响 被引量:22
5
作者 马娜 齐琳 +4 位作者 高晶晶 巢克昌 胡巧芳 蒋红国 汪良驹 《南京农业大学学报》 CAS CSCD 北大核心 2015年第4期546-553,共8页
[目的]探讨5-氨基乙酰丙酸(5-ALA)对果树扦插育苗的影响,为5-ALA在果树育苗中应用提供依据。[方法]以‘布兰瑞克’无花果扦插苗为材料,研究生长季节叶面喷施0.05、0.10和0.20 mg·L-15-ALA溶液对高温条件下扦插苗生长和叶片叶绿素... [目的]探讨5-氨基乙酰丙酸(5-ALA)对果树扦插育苗的影响,为5-ALA在果树育苗中应用提供依据。[方法]以‘布兰瑞克’无花果扦插苗为材料,研究生长季节叶面喷施0.05、0.10和0.20 mg·L-15-ALA溶液对高温条件下扦插苗生长和叶片叶绿素快速荧光特性的影响。[结果]低质量浓度5-ALA处理能显著提高高温下扦插苗的成活率,促进幼苗生长,提高组织可溶性糖、可溶性蛋白和淀粉含量。5-ALA处理可以诱导I相荧光显著增加,同时出现明显的"V"型L带和K带,强光下单位面积吸收(ABS/CSm)、捕获(TRo/CSm)和传递(ETo/CSm)的能量以及有活性的PSⅡ反应中心密度(RC/CS)显著上升,而热耗散能量份额(DIo/CSm)显著下降,放氧复合体活性受抑程度(WK)和PSⅡ反应中心最大关闭速率(Mo)下降,光合性能指数(包括PIABS和PICS)上升,这说明低质量浓度5-ALA处理可以提高高温条件下无花果幼苗叶片对光能的吸收和利用,增强植株耐热性能。[结论]5-ALA可以应用于无花果扦插育苗,提高幼苗抵抗夏季高温酷暑胁迫能力,提高扦插成苗率和苗木质量。 展开更多
关键词 5-氨基乙酰丙酸 无花果 扦插育苗 成活率 叶绿素快速荧光 耐热性
下载PDF
HPLC法测定阿图什市无花果叶中补骨脂素及佛手苷内酯的含量 被引量:1
6
作者 李军 苏凡 +3 位作者 陈吉平 孙保亚 于黎明 顾连弟 《中国医药导刊》 2009年第9期1607-1609,共3页
目的:建立无花果叶中补骨脂素和佛手柑内酯的含量测定方法。方法:采用反相高效液相色谱法测定补骨脂素和佛手柑内酯的含量,色谱柱kromasil C18 ODS(150mm×4.6mm,5μm),流动相为甲醇-水(65:35),测定波长为222nm,流速1mL·min^(-... 目的:建立无花果叶中补骨脂素和佛手柑内酯的含量测定方法。方法:采用反相高效液相色谱法测定补骨脂素和佛手柑内酯的含量,色谱柱kromasil C18 ODS(150mm×4.6mm,5μm),流动相为甲醇-水(65:35),测定波长为222nm,流速1mL·min^(-1),进样量4μl。结果:补骨脂素与佛手柑内酯线性良好,回归方程分别为:补骨脂素y=52850644.3891x+41975.0624,t=0.9991,线性范围:(0.01639~0.1639)μg;佛手柑内醇y=6958902012703x+31347.1000,r=0.9994,线性范围:(0.00296~0.0296)μg。平均回收率,补骨脂素为928%,RSD 1.25%;佛手柑内酯为95.7%,RSD 4.75%。结论:本法简便、准确、稳定,重复性好,可用于测定无花果叶中补骨脂素和佛手柑内酯的含量。 展开更多
关键词 无花果叶 补骨脂素 佛手柑内酯 含量测定 反相高效液相色谱法
下载PDF
RP-HPLC同时测定维吾尔药材无花果叶中芦丁和补骨脂素含量 被引量:1
7
作者 尼加提·沙吾提 鱼洋 苏来曼·哈力克 《中国现代中药》 CAS 2012年第10期16-19,共4页
目的:建立维吾尔药材无花果叶薄层色谱鉴别及HPLC含量测定方法。方法:采用薄层色谱法鉴别无花果叶;使用Kromasil C18柱(250mm×4.6mm,5μm),流动相:甲醇-0.4%磷酸(40∶60);流速:1.0mL·min-1;检测波长:245nm;柱温:25℃;同时测... 目的:建立维吾尔药材无花果叶薄层色谱鉴别及HPLC含量测定方法。方法:采用薄层色谱法鉴别无花果叶;使用Kromasil C18柱(250mm×4.6mm,5μm),流动相:甲醇-0.4%磷酸(40∶60);流速:1.0mL·min-1;检测波长:245nm;柱温:25℃;同时测定无花果叶中芦丁和补骨脂素含量。结果:薄层色谱法鉴别色谱斑点清晰,专属性强;芦丁和补骨脂素含量测定线性范围分别为0.1024~1.024μg,r=0.9998,n=5;0.041~0.7175μg,r=0.9999,n=5。芦丁平均回收率为103.7%(RSD=0.89%,n=6),补骨脂素平均回收率为90.9%(RSD=1.67%,n=6)。结论:该方法简便、准确,专属性强,可用于无花果叶药材的质量控制。 展开更多
关键词 维吾尔药材 无花果叶 芦丁 补骨脂素 HPlC
下载PDF
无花果内生菌Alternaria sp.QDFB-2发酵液的聚酮类化学成分研究 被引量:2
8
作者 孙丽 王莎莎 +3 位作者 陈春颖 赵雪 王凤舞 申丽 《实用临床医药杂志》 2023年第15期93-97,103,共6页
目的研究无花果内生菌Alternaria sp.QDFB-2发酵液的聚酮类化学成分及其体外细胞毒活性。方法综合采用硅胶柱、Sephadex LH-20凝胶柱、ODS反相柱和高效液相色谱法等方法对Alternaria sp.QDFB-2发酵液的化学成分进行分离纯化,再利用核磁... 目的研究无花果内生菌Alternaria sp.QDFB-2发酵液的聚酮类化学成分及其体外细胞毒活性。方法综合采用硅胶柱、Sephadex LH-20凝胶柱、ODS反相柱和高效液相色谱法等方法对Alternaria sp.QDFB-2发酵液的化学成分进行分离纯化,再利用核磁共振谱(NMR)、高分辨质谱(HR-MS)等现代波谱技术和文献比对方法鉴定化合物结构,最后采用四甲基偶氮唑蓝(MTT)法测定化合物的体外细胞毒活性。结果从Alternaria sp.QDFB-2发酵液乙酸乙酯粗浸膏中共分离得到7个聚酮类化合物,分别为7-hydroxy-2,5-dimethyl-4H-1-benzopyran-4-one(1)、1-deoxyrubralactone(2)、alternariol-9-O-monomethyl ether(3)、alternariol(4)、altenuisol(5)、stemphyperylenol(6)和altertoxinⅠ(7)。体外细胞毒活性测定结果表明,化合物4对人宫颈癌细胞株HeLa和人肝癌细胞株SMMC-7721具有显著的增殖抑制活性,半抑制浓度(IC50)分别为13.43和50.47μg/mL。结论Alternaria sp.QDFB-2能产生丰富的聚酮类化合物,极具开发微生物药物的研究价值。 展开更多
关键词 无花果 内生菌 Alternaria sp. 次生代谢产物 聚酮类化合物 细胞毒活性
下载PDF
Development of Ficus carica Linn leaves extract incorporated chitosan films for active food packaging materials and investigation of their properties 被引量:2
9
作者 P.Yilmaz E.Demirhan B.Ozbek 《Food Bioscience》 SCIE 2022年第2期291-299,共9页
The serious problems caused by extensive usage of petroleum-based plastic materials led to investigating the comprehensive studies and developing active food packaging materials.Even if the chitosan-based films are co... The serious problems caused by extensive usage of petroleum-based plastic materials led to investigating the comprehensive studies and developing active food packaging materials.Even if the chitosan-based films are considered an attractive source,they exhibit some practical difficulties in developing active food packaging applications.Hence,Ficus carica Linn leaves extract(FLE),with the features of its cheapness,easy accessibility and superoxide anion radical scavenging activity,was incorporated into chitosan(CS)film at various concentrations(2%-6%w/w).To the best of our knowledge,this was the first time that FLE was utilized as a bioactive substance incorporated into chitosan films to develop eco-friendly,biodegradable,active food packaging material.The results obtained revealed that FLE incorporation into chitosan films significantly improved the swelling,water solubility and opacity of neat chitosan films.FTIR and morphological analysis indicated that the films produced exhibited smooth structure with homogenous dispersion of FLE.In mechanically,the addition of FLE resulted in a significant reduction in tensile strength while the elasticity of the films was improved.Additionally,the antioxidant and biodegradability properties of neat chitosan films were enhanced significantly.It was concluded that CS-FLE films appeared to be a capable and enhanced option for synthetic polymer-based food packaging materials.Based on the analyses performed,further studies are suggested on the packaging application for various foods and to evaluate the possible interaction of packaging film materials with the compounds of the food products,to avoid possible negative effects. 展开更多
关键词 ficus carica linn leaves extract Chitosan films Antioxidant activity Soil biodegradability Active food packaging materials
原文传递
Carbohydrates, Growth and Production of “Roxo de Valinhos” Fig Tree in Initial Development under Irrigation Management
10
作者 Manoel Euzébio de Souza Sarita Leonel +3 位作者 Andréa Carvalho da Silva Adilson Pacheco de Souza Rafaela Lopes Martin Adriana Aki Tanaka 《American Journal of Plant Sciences》 2015年第8期1126-1137,共12页
The carbohydrates translocation and consequently growth and production of fig tree (Ficuscarica L.) vary according to the different management on cultivation conditions. The aim of this study was to evaluate the chang... The carbohydrates translocation and consequently growth and production of fig tree (Ficuscarica L.) vary according to the different management on cultivation conditions. The aim of this study was to evaluate the changes in the levels and total carbohydrates accumulation together with growth and “Roxo de Valinhos” fig trees production onimplementation of orchards in initial phase, cultivated with and without irrigation. We adopted a factorial arrangement (2 x 7) with four repetitions distributed in installments (with and without irrigation) subdivided in time (collect time). Destructive analyzes were performed at 40, 80, 120, 160, 200, 240 and 280 days after pruning (DAP) and are measured: stem diameter and branch, stem length and branch, number of leaves, internodes and fruit. Subsequently, the plant parts were sectioned to obtain the leaf area, length and roots volume, fresh and dry matter weight. The number, weight and total productivity of fruits were evaluated. The media of all growth attributes and production characteristics were higher in treatments with water irrigation. The total carbohydrate content was higher at 120 and 160 DAP and the carbohydrates accumulation was increasing for most institutions over the plants development, except for the leaves that showed a decrease in the levels at 160 DAP. The fruits showed greater carbohydrates accumulation in relation to the other evaluated organs. 展开更多
关键词 ficus carica l. Water Management GROWTH Analysis
下载PDF
Determination of the Population Structure of Fig Genotypes from Algeria and Turkey Using Inter Primer Binding Site-Retrotransposon and Simple Sequence Repeat Markers
11
作者 Hakima Belttar Abdelouhab Yahia +6 位作者 Seda Nemli Duygu Ates Semih Erdogmus Birgul Ertan Sara Himour Serra Hepaksoy M. Bahattin Tanyolac 《Agricultural Sciences》 2017年第12期1337-1357,共21页
In order to identify the variation and estimate the genetic diversity among the fig (Ficus carica L.) genotypes collected from Algeria and Turkey, the genetic relationships between 86 genotypes were investigated using... In order to identify the variation and estimate the genetic diversity among the fig (Ficus carica L.) genotypes collected from Algeria and Turkey, the genetic relationships between 86 genotypes were investigated using 23 inter primer binding sites (iPBS)-retrotransposon and 16 simple sequence repeat (SSR) primers. A total of 63 polymorphic bands for the iPBS-retrotransposon markers and 25 alleles for the SSR markers were identified with an average of 2.7 and 1.6 per primer, respectively. The average value of polymorphism information content (PIC) for the iPBS markers (0.73) was higher than that for the SSR markers (0.69). Applying the neighbor-joining method to the combined iPBS-retrotransposon and SSR data, the fig genotypes were clustered into two groups. The STRUCTURE software was used to determine the population structure. Among the genotypes studied, two populations (K = 2) were identified indicating a low diversity between the Algerian and Turkish varieties. Both types of markers were able to differentiate all the fig genotypes and were efficient in discriminating the closely related genotypes. Our data also showed that as a universal marker, iPBS-retrotransposon is a useful tool for the molecular characterization of fig genotypes. 展开更多
关键词 ficus carica l. INTER PRIMER Binding Sites-Retrotransposon Simple Sequence Repeat Genetic Diversity Population Structure
下载PDF
Cultivation of “Roxo de Valinhos” Fig Tree in Different Plant Densities for Production of Green Figs for Industry in the Region of Campo Das Vertentes-MG
12
作者 Paulo Márcio Norberto Angelo Albérico Alvarenga +3 位作者 JoséClelio de Andrade Filipe Almendagna Rodrigues Lair Victor Pereira Emerson Dias Goncalves 《Agricultural Sciences》 2018年第9期1097-1106,共10页
The objective of this work was to study the effect of different planting densities on the development and production of “Roxo de Valinhos” green figs for industry, in the Campo das Vertentes-MG region. The experimen... The objective of this work was to study the effect of different planting densities on the development and production of “Roxo de Valinhos” green figs for industry, in the Campo das Vertentes-MG region. The experiment was installed at the Risoleta Neves Experimental Field—CERN/EPAMIG. The plants used were three years old and were arranged in three randomized blocks, subject to three different planting densities, with spacings ranging from 1 m (4000 plants·ha-1), 1.5 m (2666 plants·ha-1), and 2 m (2000 plants·ha-1) between plants in the planting line and 2.5 m between row for all planting densities. The average length of the branches (m), average number of fruits per branch, average number of fruits per plant, average weight of fruits, average yield per plant and the average yield per hectare (kg) were evaluated. It was verified that, there were no significant differences in the length of branch and in the average weight of fruit, in the three densities of fig tree planting. (4000 plants·ha-1), the average number of fruits per branch (7.5), per plant (55.87) and yield per plant (878.93 kg) were lower, however. The average yield per hectare (3515.73 kg) was higher than in other growing densities. It is concluded that, the higher density of plants (4000 plants·ha-1), provides the highest productivity per area, without damages to the quality of the fruits. 展开更多
关键词 Planting Densities Agroindustry ficus carica l.
下载PDF
7种杀菌剂对无花果炭疽病的室内毒力及田间防效
13
作者 张继 唐文忠 +3 位作者 唐爱华 郑元涛 胡耿彪 尧金燕 《安徽农业科学》 CAS 2024年第15期152-156,共5页
[目的]筛选出防治无花果炭疽病的有效药剂。[方法]选用7种杀菌剂进行室内毒力测定和田间药效试验。[结果]35%苯醚甲环唑·吡唑醚菌酯悬浮剂、30%吡唑醚菌酯·戊唑醇悬浮剂、30%吡唑醚菌酯·氟硅唑乳油、40%苯醚甲环唑悬浮剂... [目的]筛选出防治无花果炭疽病的有效药剂。[方法]选用7种杀菌剂进行室内毒力测定和田间药效试验。[结果]35%苯醚甲环唑·吡唑醚菌酯悬浮剂、30%吡唑醚菌酯·戊唑醇悬浮剂、30%吡唑醚菌酯·氟硅唑乳油、40%苯醚甲环唑悬浮剂、25%吡唑醚菌酯悬浮剂、430 g/L戊唑醇悬浮剂、40%氟硅唑乳油对无花果炭疽病的4 d-EC 50分别为0.1940、0.0788、0.0978、0.4450、0.2180、0.1650、0.1460 mg/L;7种药剂对无花果树叶片炭疽病的防治结果:30%吡唑醚菌酯·戊唑醇悬浮剂在2000倍液下防效最佳,为92.76%±2.96%,30%吡唑醚菌酯·氟硅唑乳油在2000倍液下防效次之,为89.54%±2.41%,两者间无显著差异。其他药剂在2000倍液下防效均超过80%,30%吡唑醚菌酯·戊唑醇悬浮剂在3000倍液下防效也超过80%,其他处理的防效较差。7种药剂对无花果果实炭疽病的防治结果:30%吡唑醚菌酯·戊唑醇悬浮剂在2000倍液下防效最好,达86.22%±3.87%,30%吡唑醚菌酯·氟硅唑乳油在2000倍液下防效为83.69%±1.59%,430 g/L戊唑醇悬浮剂在2000倍液下防效为81.68%±2.01%,其他处理的防效均低于80%。[结论]30%吡唑醚菌酯·戊唑醇悬浮剂和30%吡唑醚菌酯·氟硅唑乳油在2000倍液下对无花果炭疽病具有较好的防效,可以推广到广西地区无花果种植区的炭疽病防治。 展开更多
关键词 无花果 炭疽病 杀菌剂 毒力 防效
下载PDF
50份无花果种质资源遗传多样性分析及DNA指纹图谱构建 被引量:1
14
作者 卢立媛 阮树安 +4 位作者 杨伟聪 刘晗琪 刘振盼 张永华 孙阳 《中国果树》 2024年第1期45-51,共7页
为探究国内外无花果遗传多样性并对种质资源进行鉴定,利用15对SSR分子标记引物对50份无花果种质资源从DNA水平上进行遗传多样性分析,并构建DNA指纹图谱。结果表明,15对SSR引物在50份无花果种质资源中共扩增出67个等位基因,等位基因数范... 为探究国内外无花果遗传多样性并对种质资源进行鉴定,利用15对SSR分子标记引物对50份无花果种质资源从DNA水平上进行遗传多样性分析,并构建DNA指纹图谱。结果表明,15对SSR引物在50份无花果种质资源中共扩增出67个等位基因,等位基因数范围为2~8个,观测杂合度(Ho)和期望杂合度(He)平均值分别为0.5947和0.5703,Shannon’s多态性信息指数(I)平均值为1.0452,多态性信息含量指数(PIC)变化范围为0.2411~0.7353,平均为0.5101,表明无花果种质资源具有丰富的遗传多样性。50份无花果种质资源之间的遗传距离为0~0.68,平均为0.39,与其他种质资源遗传距离最大的为哈代。基于SSR分子标记结果,利用UPGMA方法对50份无花果种质资源进行聚类分析,根据遗传距离可将50份无花果种质资源分为四大类,第Ⅰ类为哈代,第Ⅱ类为斯特拉,第Ⅲ类为梦幻甜蜜,其余无花果种质资源划归为第Ⅳ类。构建了26份无花果种质资源的SSR指纹图谱,可用于品种鉴定,以期为无花果分子辅助育种提供科学依据。 展开更多
关键词 无花果 SSR 遗传多样性 聚类分析 DNA指纹图谱
下载PDF
不同灌溉方式下无花果需水规律及作物需水量预报 被引量:1
15
作者 陈梦婷 王海丽 +1 位作者 王小军 罗玉峰 《节水灌溉》 北大核心 2024年第9期12-20,29,共10页
探究不同灌溉方式下无花果需水规律及作物需水量的预报对无花果生产具有重要的研究和指导意义。根据广东省水利重点科研基地2022年5月至2023年12月的无花果种植数据,分析不同灌水方式下无花果需水规律,推求作物系数曲线,结合Hargreaves-... 探究不同灌溉方式下无花果需水规律及作物需水量的预报对无花果生产具有重要的研究和指导意义。根据广东省水利重点科研基地2022年5月至2023年12月的无花果种植数据,分析不同灌水方式下无花果需水规律,推求作物系数曲线,结合Hargreaves-Samani模型和单作物系数法,基于公共天气预报进行无花果需水量预报。结果表明:不同灌水方式中沟灌的需水量最大,2023年日均需水量为2.44mm/d,其次是喷灌和地面滴灌,日均需水量分别为2.23mm/d和2.04mm/d,地下滴灌需水量最小,为1.92mm/d,5-9月为无花果需水旺盛期。采用联合国粮农组织(FAO)推荐的单作物系数法推求出试验站无花果Kc作物系数曲线,作物系数地下滴灌<地面滴灌<喷灌<沟灌。气温预报精度较高,最低气温的预报精度优于最高气温的预报精度。经过率定的Hargreaves-Samani模型具有良好的ET0预报精度,相关系数平均值可达0.86。4种灌溉方式无花果作物需水量预报精度低于ET0预报,相关系数范围为0.68~0.74。无花果作物需水量预报模型可以提供未来两周内的无花果需水量,为灌溉决策者提供信息,有利于农民提前安排水资源的分配。 展开更多
关键词 高效节水灌溉 无花果 需水规律 作物需水量预报 中长期天气预报
下载PDF
无花果叶提取液复合保鲜膜的研制及其在甜瓜保鲜上的应用
16
作者 姚军 秦勇 +4 位作者 郑贺云 张翠环 再吐娜·买买提 汪志伟 耿新丽 《新疆农业科学》 CAS CSCD 北大核心 2024年第1期118-126,共9页
【目的】研究一种无毒安全、绿色环保、廉价易得的植物源抑菌材料,并在甜瓜贮藏与保鲜中应用,为无花果叶提取液复合保鲜膜在甜瓜上的应用提供参考。【方法】优化具有抑菌效果的植物源材料无花果叶提取液的提取工艺,采用响应面法优化乙... 【目的】研究一种无毒安全、绿色环保、廉价易得的植物源抑菌材料,并在甜瓜贮藏与保鲜中应用,为无花果叶提取液复合保鲜膜在甜瓜上的应用提供参考。【方法】优化具有抑菌效果的植物源材料无花果叶提取液的提取工艺,采用响应面法优化乙醇浓度、超声时间、料液比并分析对无花果叶提取液总黄酮取得率的影响。采用十字交叉法测定提取液对甜瓜采后主要病原菌镰刀菌、链格孢的抑菌效果,并将无花果叶提取剂与被膜剂海藻酸钠,抗氧化剂柠檬酸,助剂蔗糖酯进行复合,采用正交法优化各制剂对贮藏期甜瓜腐烂率和失重率的影响。【结果】获得无花果叶提取液的最佳提取工艺参数:乙醇体积百分比为79.73%、超声时间为36.81 min、料液比为1∶24。无花果叶提取液复合膜保鲜剂的最佳组成配方为80 mg/mL无花果提取液+1.5%海藻酸钠+500 mg/L柠檬酸+0.5%蔗糖酯。【结论】无花果叶提取液在抑制甜瓜采后主要病原真菌上效果显著,无花果叶提取液复合保鲜膜在减少甜瓜贮藏期腐烂率和失重率降低上效果明显,可作为甜瓜贮藏保鲜的新型绿色的植物源保鲜材料运用于甜瓜生产中。 展开更多
关键词 无花果叶 响应面法 复合保鲜膜 甜瓜
下载PDF
外源IBA对无花果扦插苗抗氧化特性及IAA生物合成途径的影响
17
作者 陈紫玉 巴哈依丁·吾甫尔 +2 位作者 任桂霖 魏靖 王梓然 《西北植物学报》 CAS CSCD 北大核心 2024年第7期1046-1054,共9页
【目的】探讨适宜浓度吲哚丁酸(IBA)对无花果插穗生根萌芽、抗氧化性及生长素生物合成途径相关基因表达的影响,为其应用于无花果的育种、繁殖、推广和种植提供理论依据。【方法】以‘波姬红’无花果品种硬枝为插穗,观测不同质量浓度IBA(... 【目的】探讨适宜浓度吲哚丁酸(IBA)对无花果插穗生根萌芽、抗氧化性及生长素生物合成途径相关基因表达的影响,为其应用于无花果的育种、繁殖、推广和种植提供理论依据。【方法】以‘波姬红’无花果品种硬枝为插穗,观测不同质量浓度IBA(0,30,45,60,90 mg/L)处理下插穗生根性状、抗氧化特性,并对45 mg/L IBA处理及对照组的扦插枝条中段的腋芽进行转录组分析。【结果】(1)无花果插穗萌芽率和生根率在45 mg/L IBA处理时达到最大值,并与其他处理和对照差异显著。(2)随IBA浓度增加,插穗SOD和CAT活性先下降后上升,并均在45,60 mg/L IBA处理下显著低于对照,而POD活性无显著变化;各浓度IBA处理插穗中MDA和H2O2含量均显著高于对照,且45 mg/L IBA处理MDA显著低于其余处理。(3)45 mg/L IBA处理及对照组中共存在6 879个差异表达基因,KEGG富集显示有10个差异途径,GO富集分析表明生物学过程和分子功能为主要的生物学途径;与CAT、SOD相关的基因集中富集在过氧化物酶体通路上,POD相关基因则富集在苯丙烷生物合成通路中;IAA生物合成途径中代谢相关基因FcGH3显著上调表达,与信号转导相关基因FcAUX1、FcARG7和FcARF等显著下调表达。【结论】外源IBA处理会导致无花果插穗抗氧化酶和IAA生物合成途径中相关基因表达的差异变化,增强插穗抗逆性,促进插穗生根、萌芽、成苗,并以外源45 mg/L IBA促进效果最好。 展开更多
关键词 无花果 扦插苗 吲哚丁酸(IBA) 抗氧化 IAA生物合成
下载PDF
无花果原花青素超声辅助提取工艺优化及抗氧化性研究
18
作者 何秋玲 陈晓玉 +3 位作者 杨申明 徐兴丽 向雪梅 王振吉 《生物化工》 CAS 2024年第4期1-7,12,共8页
以无花果为原料,采用单因素实验结合响应面法对超声辅助提取无花果原花青素(Ficus carica L.Proanthocyanidin,FCPC)工艺进行优化,同时测定DPPH自由基清除率、羟基自由基清除率和总抗氧化能力来综合评价其抗氧化活性。结果表明,FCPC最... 以无花果为原料,采用单因素实验结合响应面法对超声辅助提取无花果原花青素(Ficus carica L.Proanthocyanidin,FCPC)工艺进行优化,同时测定DPPH自由基清除率、羟基自由基清除率和总抗氧化能力来综合评价其抗氧化活性。结果表明,FCPC最优提取条件为乙醇体积分数68%,液料比41∶1(mL∶g),提取时间29 min,超声温度47℃,FCPC平均提取量为(15.75±0.28)mg/g,接近模型预测值(15.60 mg/g)。FCPC具有良好的抗氧化能力,对DPPH和OH自由基均具有较强的清除能力,当FCPC质量浓度为0.013 2 mg/mL时,对DPPH和OH自由基的清除率分别可达为94.64%和70.73%。优化的FCPC提取工艺条件稳定可靠,能在实际生产中应用;提取的FCPC具有较强的抗氧化活性,其抗氧化能力大于同质量浓度的维生素C。 展开更多
关键词 无花果 原花青素 超声提取 响应面法 抗氧化性
下载PDF
HS-SPME-GC-MS法测定不同发育期无花果果实的挥发性成分
19
作者 聂菲 宛燕 +4 位作者 曾杰 房海灵 梁呈元 亓希武 卞玉良 《现代食品》 2024年第17期197-202,共6页
为明确无花果果实发育过程中挥发性成分的变化趋势,利用顶空-固相微萃取-气质联用(Head Space-Solid Phase Microextraction-Gas Chromatography-Mass Spectrometer,HS-SPME-GC-MS)技术测定不同发育期无花果果实的挥发性成分。结果表明... 为明确无花果果实发育过程中挥发性成分的变化趋势,利用顶空-固相微萃取-气质联用(Head Space-Solid Phase Microextraction-Gas Chromatography-Mass Spectrometer,HS-SPME-GC-MS)技术测定不同发育期无花果果实的挥发性成分。结果表明,无花果果实中挥发性成分包括烯类、醛类、烷烃类、醇类和香豆素类等,其中烯类物质相对含量随着果实成熟而减少,醛类物质随着果实成熟先增加后减少;烯类物质在幼果Ⅰ期含量最高,在完熟期仅为0.13%,醛类物质在转红期含量最高(65.51%)。6个发育期果实中共同挥发物有11种,相对含量排名前5的挥发物为苯甲醛、α-布藜烯、石竹烯、7-羟基-3-(4-甲氧基苯基)香豆素和4-烯丙氧基香豆素。本研究结果可为无花果生产中香气品质调控提供理论依据。 展开更多
关键词 无花果 顶空-固相微萃取-气质联用 挥发性成分 发育期
下载PDF
无花果多糖分离纯化工艺及抗氧化性能研究
20
作者 沈静 郭建行 冀晓龙 《农业工程》 2024年第5期100-107,共8页
为更好地利用无花果副产物,提高其经济价值,探究了无花果多糖(FCW)抗氧化性能。采用微波辅助提取FCW,并对提取工艺进行优化。最佳条件为提取温度70℃、料液比1∶40、微波功率800 W和提取时间50 min,在此条件下,FCW提取率12.32%。以残渣... 为更好地利用无花果副产物,提高其经济价值,探究了无花果多糖(FCW)抗氧化性能。采用微波辅助提取FCW,并对提取工艺进行优化。最佳条件为提取温度70℃、料液比1∶40、微波功率800 W和提取时间50 min,在此条件下,FCW提取率12.32%。以残渣模拟无花果生产后的废料,采用碱液浸提法提取无花果残渣多糖(FCA),并分析其热稳定性。结果表明,FCA在260℃以下具有良好的热稳定性。采用离子交换柱和凝胶柱对FCA进行分离纯化得到分子量28.188 kDa的多糖组分PFCA2,单糖组成结果表明,PFCA2主要由鼠李糖、葡萄糖、阿拉伯糖、半乳糖、葡萄糖醛酸和半乳糖醛酸组成。体外抗氧化试验表明,PFCA2具有良好的DPPH自由基和羟基自由基清除活性,其IC50值分别为0.5041和3.2802 mg/mL;FCA具有良好的抗氧化能力,是天然的抗氧化剂。该研究结果为无花果工业副产物精深加工提供理论依据。 展开更多
关键词 无花果 多糖 分离纯化 理化性质 抗氧化活性
下载PDF
上一页 1 2 6 下一页 到第
使用帮助 返回顶部