[Objective] The aim was to explore the growth characteristics of different quantity leaflet compound leaves of Juglans cathayensis in Xinjiang so as to provide basic data for the study of J.cathayensis.[Method] The le...[Objective] The aim was to explore the growth characteristics of different quantity leaflet compound leaves of Juglans cathayensis in Xinjiang so as to provide basic data for the study of J.cathayensis.[Method] The length,width and biomass of compound leaves growth characteristics of three types of different quantity leaflet compound leaves of J.cathayensis were measured in large samples.[Result] The length,width,rachis biomass and total biomass of compound leaves increased with the number of leaflets increase;leaflets biomass of the same phyllotaxy decreased with the number of leaflets increase.The leaflet length,width and biomass of the same compound leaves increased with the number of phyllotaxy increase.The differences on petiole length and top leaflets length were not significant;there were significant differences on compound leaves width;the differences on the total biomass of compound leaves were extremely significant.[Conclusion] There was rather large ecology plasticity of the compound leaves of J.cathayensis in Xinjiang.展开更多
A new diarylheptanoid glucoside,(8R,9R)-17-methoxy-2-oxatricyclo[13.2.2.1^(3.7)]icosa-l(17),3(20),4,6, 15,18-hexaene-4,9,10-triol-9-O-β-D-glucopyranoside(1),namely jugcathayenoside,together with two known d...A new diarylheptanoid glucoside,(8R,9R)-17-methoxy-2-oxatricyclo[13.2.2.1^(3.7)]icosa-l(17),3(20),4,6, 15,18-hexaene-4,9,10-triol-9-O-β-D-glucopyranoside(1),namely jugcathayenoside,together with two known diarylheptanoids,(+)-galeon(2) and 4-hydroxy-17-methoxy-2-oxatricyclo[13.2.2.1^(3,7) ]icosa-1(17),3(20),4,6,15,18-hexaene-9-one(3),were isolated from the root bark of Juglans cathayensis. Their structures were elucidated on the basis of extensive spectroscopic data analysis.展开更多
基金Supported by National Natural Science Foundation of China(41061009)Yili Normal College Research Fund(200917)~~
文摘[Objective] The aim was to explore the growth characteristics of different quantity leaflet compound leaves of Juglans cathayensis in Xinjiang so as to provide basic data for the study of J.cathayensis.[Method] The length,width and biomass of compound leaves growth characteristics of three types of different quantity leaflet compound leaves of J.cathayensis were measured in large samples.[Result] The length,width,rachis biomass and total biomass of compound leaves increased with the number of leaflets increase;leaflets biomass of the same phyllotaxy decreased with the number of leaflets increase.The leaflet length,width and biomass of the same compound leaves increased with the number of phyllotaxy increase.The differences on petiole length and top leaflets length were not significant;there were significant differences on compound leaves width;the differences on the total biomass of compound leaves were extremely significant.[Conclusion] There was rather large ecology plasticity of the compound leaves of J.cathayensis in Xinjiang.
基金Financial support from the Natural Science Foundation of China (Nos.30873361,81072547 and 31270394)Wuhan Program for Science and Technology(No.2013060501010158)the Ministry of Science and Technology of the People's Republic of China (International Cooperative Project,No.2010DFA32430)
文摘A new diarylheptanoid glucoside,(8R,9R)-17-methoxy-2-oxatricyclo[13.2.2.1^(3.7)]icosa-l(17),3(20),4,6, 15,18-hexaene-4,9,10-triol-9-O-β-D-glucopyranoside(1),namely jugcathayenoside,together with two known diarylheptanoids,(+)-galeon(2) and 4-hydroxy-17-methoxy-2-oxatricyclo[13.2.2.1^(3,7) ]icosa-1(17),3(20),4,6,15,18-hexaene-9-one(3),were isolated from the root bark of Juglans cathayensis. Their structures were elucidated on the basis of extensive spectroscopic data analysis.