Monthly yield for PR107 clones of <em>Hevea brasiliensis</em> at different tapping ages

WU Chuntai; LIU Hanwen; MA Zhengyu; LI Weiguo; ZENG Rizhong

doi:10.11833/j.issn.2095-0756.2015.06.007

Volume 32 Issue 6

Nov. 2015

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WU Chuntai, LIU Hanwen, MA Zhengyu, LI Weiguo, ZENG Rizhong. Monthly yield for PR107 clones of Hevea brasiliensis at different tapping ages[J]. Journal of Zhejiang A&F University, 2015, 32(6): 868-874. doi: 10.11833/j.issn.2095-0756.2015.06.007

Citation:

WU Chuntai, LIU Hanwen, MA Zhengyu, LI Weiguo, ZENG Rizhong. Monthly yield for PR107 clones of Hevea brasiliensis at different tapping ages[J]. Journal of Zhejiang A&F University, 2015, 32(6): 868-874. doi: 10.11833/j.issn.2095-0756.2015.06.007

Monthly yield for PR107 clones of Hevea brasiliensis at different tapping ages

doi: 10.11833/j.issn.2095-0756.2015.06.007

1.
Rubber Research Institute, State Center for Rubber Breeding/Key Laboratory of Biology and Genetic Resources of Rubber Tree of Ministry of Agriculture, Chinese Academy of Tropical Agriculture Sciences, Danzhou 571737, Hainan, China;
2.
Yangjiang Branch of Hainan Natural Rubber Industry （Group） Corporation Limited, Qiongzhong 572900, Hainan, China

Funds:

十二五国家天然橡胶产业技术体系抗风高产育种专项（CARS-34）

Received Date: 2014-10-29
Rev Recd Date: 2015-06-07
Publish Date: 2015-12-20

Abstract

To explore the change rule of dry rubber yields in Hevea brasiliensis rubber tree clone PR107 for alternating months, production yields over 5-12 months were measured and analyzed for trees with 20 tapping ages. Results showed that the monthly dynamics of dry rubber production per tree and dry rubber yield per hectare for 18 tapping ages exhibited double peak curves; whereas, two were multi-peak curves. Dry rubber yield per hectare per month was closely related to dry rubber production per tree per month for eight young and middle-aged as well as twelve old-aged PR107 clones （P＜0.01）. There was also a close relationship in May between dry rubber production per tree per month and dry rubber yield per hectare per month for young and middle-aged PR107 clones （P＜0.01）, a strong relationship in July and December （P＜0.05）, and mostly no relationship in other months （P＞0.05）. Thus, changes in harvesting times have a strong effect on dry rubber yields in PR107 clones of H. brasiliensis at different tapping ages. ［Ch, 5 fig. 1 tab. 11 ref.］
- cash forestry,
- Hevea brasiliensis,
- PR107 clone,
- dry rubber production per tree,
- dry rubber yield per hectare,
- monthly dynamics

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Monthly yield for PR107 clones of Hevea brasiliensis at different tapping ages

1. Rubber Research Institute, State Center for Rubber Breeding/Key Laboratory of Biology and Genetic Resources of Rubber Tree of Ministry of Agriculture, Chinese Academy of Tropical Agriculture Sciences, Danzhou 571737, Hainan, China;

2. Yangjiang Branch of Hainan Natural Rubber Industry （Group） Corporation Limited, Qiongzhong 572900, Hainan, China

Funds:

十二五国家天然橡胶产业技术体系抗风高产育种专项（CARS-34）

Received Date: 2014-10-29

Rev Recd Date: 2015-06-07

Publish Date: 2015-12-20

Key words:

Abstract: To explore the change rule of dry rubber yields in Hevea brasiliensis rubber tree clone PR107 for alternating months, production yields over 5-12 months were measured and analyzed for trees with 20 tapping ages. Results showed that the monthly dynamics of dry rubber production per tree and dry rubber yield per hectare for 18 tapping ages exhibited double peak curves; whereas, two were multi-peak curves. Dry rubber yield per hectare per month was closely related to dry rubber production per tree per month for eight young and middle-aged as well as twelve old-aged PR107 clones （P＜0.01）. There was also a close relationship in May between dry rubber production per tree per month and dry rubber yield per hectare per month for young and middle-aged PR107 clones （P＜0.01）, a strong relationship in July and December （P＜0.05）, and mostly no relationship in other months （P＞0.05）. Thus, changes in harvesting times have a strong effect on dry rubber yields in PR107 clones of H. brasiliensis at different tapping ages. ［Ch, 5 fig. 1 tab. 11 ref.］

Monthly yield for PR107 clones of Hevea brasiliensis at different tapping ages

doi: 10.11833/j.issn.2095-0756.2015.06.007

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Monthly yield for PR107 clones of Hevea brasiliensis at different tapping ages

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