|Table of Contents|

Growth and Medicinal Component Contents of Leaves for  Different Families′ Progenies Originated in Different  Seed Sources of Ancient Ginkgo biloba

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年11
Page:
144-150
Research Field:
Publishing date:

Info

Title:
Growth and Medicinal Component Contents of Leaves for  Different Families′ Progenies Originated in Different  Seed Sources of Ancient Ginkgo biloba
Author(s):
YU Guodong1; XIA Mirui1; YANG Xincheng1; QIAO Hongxiang2; PAN Yun2; FU Jin3
(1.Yunnan Hikon Biotechnology Co.Ltd.,Kunming,Yunnan 650200;2.Yunnan Ximeikang Agricultural Development Co.Ltd.,Qujing,Yunnan 655000;3.Yunnan Xinuokang Biotech Co.Ltd.,Wenshan,Yunnan 663000)
Keywords:
Ginkgo biloba; seed source; family; seedling; growth; flavonoid; lactone
PACS:
-
DOI:
10.11937/bfyy.20174155
Abstract:
The seedling (families′ progenies) of 24 ancient trees (families) which came from 4 seed sources served as materials.The single factor completely randomized design was applied to cultivate seedlings of the families′ progenies under the same quality site in Yunnan to analyze differences of growth parameters and leaf medicinal component contents between the families′ progenies and seed sources.The results showed that the mean area (LA),number (LN) and thickness (LT) of leaves,basal diameter (BD) and seedling height (SH) of different seed sources for the 0.6-year-old seedlings were 17.52-20.17 cm2,5.6-8.4 leaves for each seedling,0.21-0.24 mm,0.42-0.52 cm and 9.69-13.17 cm,respectively,with significant differences (P<0.05 or P<0.01) of which between different seed sources excepting the LTs (P>0.05)；among families,the above 5 parameters were 11.12-27.41 cm2,4.3-12.5 leaves for each seedling,0.15-0.29 mm,0.29-0.56 cm and 6.18-13.65 cm,respectively,with significant differences (P<0.01) for all parameters.The flavonoid and lactones of dried leaf from the families′ progenies for the same ages were 1.49%-1.91% and 0.48%-0.84%,respectively.In the 24 family seedlings,there were 8 and 4 superior families with relatively higher contents of flavonoid and lactone respectively,in the 24 families,and only one family belonging to superior families with the both of high content of the two medical component contents.The contents of flavonoid and lactone in Ginkgo biloba leaves showed no significantly negative correlation with the growth parameters.Selection and breeding of superior improved varieties for establishing plantations mainly collected leaves of G.biloba as medical raw material should be a model of union selection from seed sources to families and individuals.

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Last Update: 2018-06-29