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International Journal of Innovation and Scientific Research
ISSN: 2336-0046
 
 
Wednesday 23 April 2025

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Rubber tree Reken 628 single-stem bud stick leaf-clipped treatment improves seedling axillary bud quality


Volume 78, Issue 1, April 2025, Pages 1–13

 Rubber tree Reken 628 single-stem bud stick leaf-clipped treatment improves seedling axillary bud quality

Zhennan Cha1, Jinglan Ruan2, Xiying Jiang3, Xuedan Gong4, Xianhong Chen5, and Jun Wang6

1 Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan, China
2 Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan, China
3 Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan, China
4 Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan, China
5 Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan, China
6 Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan, China

Original language: English

Copyright © 2025 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The selection and quality of rubber tree bud patches is a critical factor influencing the survival rate of bud grafting in rubber tree mini-seedling buddings. Currently, the selection process relies heavily on the individual experiences of budding workers, who choose the bud sticks and cut the patches based on personal judgment. This method necessitates sorting and shipping the mini-seedling buddings in batches prior to their departure from the nursery, which in turn elevates labor costs. In this study, we trimmed the leaves from the petiole buds on the bud sticks of the rubber tree variety Reken 628. Following the detachment of the petioles and the transition of leaf scars from green to brown, we proceeded to cut the bud sticks. Both the scale buds and petiole bud patches were excised, and the various types of leaves were documented accordingly. We measured the quantity of each bud type present in the canopy and collected growth data, including the moisture content of the buds, as well as the length, width, and thickness of the bud scars, in addition to the length and width of the bud eyes. Our findings indicate that the size of the bud scar is not a reliable indicator of bud eye size. Notably, the quality of leaf-clipped buds surpasses that of those with retained leaves, with the buds from the third leaf whorl exhibiting the highest quality when subjected to leaf clipping. It is essential to increase the watering frequency to ensure that the leaf-clipped bud sticks maintain adequate moisture, which facilitates the cutting of bud patches and the removal of bud wood. This practice helps preserve the integrity of the bud eye post-peeling, ultimately enhancing the survival rate of bud grafting.

Author Keywords: Hevea brasiliensis, single stem type, leaf clipped, axillary bud, quality.


How to Cite this Article


Zhennan Cha, Jinglan Ruan, Xiying Jiang, Xuedan Gong, Xianhong Chen, and Jun Wang, “Rubber tree Reken 628 single-stem bud stick leaf-clipped treatment improves seedling axillary bud quality,” International Journal of Innovation and Scientific Research, vol. 78, no. 1, pp. 1–13, April 2025.