Academic Journal
Seasonal variations of non-structural carbohydrates of young and middle-age Pinus armandii plantations
| العنوان: | Seasonal variations of non-structural carbohydrates of young and middle-age Pinus armandii plantations |
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| المؤلفون: | LI Zhiqi, WU Junwen, CHEN Gang, DUAN Guihe, WEN Chengjing |
| المصدر: | Xibei zhiwu xuebao, Vol 44, Iss 5, Pp 782-791 (2024) |
| بيانات النشر: | Science Press, 2024. |
| سنة النشر: | 2024 |
| المجموعة: | LCC:Biology (General) LCC:Botany |
| مصطلحات موضوعية: | non-structural carbohydrates, pinus armandii, seasonal variation, organ, carbon allocation, Biology (General), QH301-705.5, Botany, QK1-989 |
| الوصف: | [ Objective ] It is of great significance to explore the distribution of NSC ( non-structural carbohy- drate ) and their components in different organs with seasonal changes for revealing the mechanism of car- bon distribution in different age Pinus armandii . [ Methods ] The contents of NSC and their components in different organs of young and middle-aged P . armandii were determined by periodic sampling to explore the seasonal changes of P . armandii during the year. [ Results ] ( 1 ) The distribution pattern of NSC and their components in different age P . armandii was the same among all organs , where the starch content was in the order : Roots > leaves > branches > stems. The starch content in stems was significantly low- er than that in other organs , while the content of soluble sugar and NSC in leaves , roots and branches was not significantly different. The ratio of sugar to starch in stems was significantly higher than that in other organs. ( 2 ) During the growing season , NSC and their components were mainly affected by seasons , fol- lowed by the interaction between seasons and organs , and the influence of forest age was the least. ( 3 ) The correlation between NSC and their components in different P . armandii organs was the same. Except the negative correlation between the ratio of sugar to starch and starch , NSC in young-aged P . armandii and the ratio of sugar to starch and starch in middle-aged P . armandii , the other indexes were positively correlated. [ Conclusion ] NSC and their components in various organs of P . armandii had obvious season- al fluctuations. When the environment changed , the carbon supply and demand of different organs changed synergistically , which was conducive to the growth of P . armandii , and enhanced its resistance and adaptability to cope with extreme environment. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | Chinese |
| تدمد: | 1000-4025 |
| Relation: | http://xbzwxb.cnjournals.com/xbzwxb/article/abstract/20230635?st=article_issue; https://doaj.org/toc/1000-4025 |
| DOI: | 10.7606/j.issn.1000-4025.20230635 |
| URL الوصول: | https://doaj.org/article/92808340c69e48a8bcd1f42a7cb5bce5 |
| رقم الانضمام: | edsdoj.92808340c69e48a8bcd1f42a7cb5bce5 |
| قاعدة البيانات: | Directory of Open Access Journals |
| تدمد: | 10004025 |
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| DOI: | 10.7606/j.issn.1000-4025.20230635 |