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All Journal Indonesian Journal of Forestry Research
Sharma, Madhubala
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Agriculture, Biological Sciences & Forestry

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ANATOMICAL AND PHYSICAL CHARACTERISTICS OF Cephalostachyum mannii (Gamble) STAPLETON – AN ENDEMIC SCRAMBLING BAMBOO OF NORTHEAST INDIA Lal Sharma, Chaman; Sharma, Madhubala; M. Lamare, Dahunirikitre; Wangkhem, Mahesh; Pangging, Govinda
Indonesian Journal of Forestry Research Vol. 8 No. 1 (2021): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2021.8.1.99-110

Abstract

Cephalostachyum mannii is a tall, graceful scandent bamboo with solid culms. It is distributed in Arunachal Pradesh, Meghalaya, Mizoram, and Nagaland states of Northeast India. The present study was carried out to investigate radial and vertical variations in anatomical and physical properties in the culms of this bamboo species. The mature culms (3-4 years old) were selected from forests of Amkassar Amlarem village, West Jaintia Hills District, Meghalaya, India. The selected internodes of culms were radially divided into outer, middle and inner zones, and vertically bottom, middle and top positions. The vascular bundles were of Type II and well developed in middle zones of both bottom and middle positions. The number and size of vascular bundles increased from inner to outer zone and decreased from bottom to top. Vessel length and vessel diameter decreased both radially and vertically. Among fibre characteristics, fibre wall thickness increased, while fibre length, fibre diameter, and fibre lumen diameter decreased significantly in both radial and vertical directions. Among physical properties, density increased, and moisture content decreased in both radial and vertical directions. Radial shrinkage was higher than tangential shrinkage. Both radial and tangential shrinkage decreased significantly from bottom to top. The fibres were long, thick-walled and highly rigid, and the derived indices do not satisfy the requirement as a superior fibrous raw material for pulp and paper making. However, this bamboo species has the potential for making good quality handicrafts and basketry.
COMPARATIVE WOOD ANATOMICAL PROPERTIES OF GENUS SYZYGIUM (FAMILY MYRTACEAE) FROM MANIPUR, INDIA Wangkhem, Mahesh; Sharma, Madhubala; Sharma, Chaman Lal
Indonesian Journal of Forestry Research Vol. 7 No. 1 (2020): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2020.7.1.27-42

Abstract

Syzygium belongs to family Myrtaceae and comprises of mostly trees and a few shrubs. The main objectives were to study anatomical and physical characteristics of five Syzygium species namely Syzygium cumini, Syzygium fruticosum, Syzygium jambos, Syzygium nervosum and Syzygium praecox and to see intra and inter species variation among them. The wood samples were taken at breast-height from straight bole and uniform crowned trees. The present study showed that all the selected species shared common features like simple perforation plate, vestured inter-vessel pits, vessel-ray pits, disjunctive ray parenchyma cells, diffuse, diffuse-in-aggregate, vasicentric, aliform and confluent types of axial parenchyma Diffuse porous and indistinct fruticosum were observed. The vessels were mostly barrel shaped with small or long tails at one or both ends in all species except tube shaped in S. jambos and drum shaped in S. fruticosum. Spiral thickenings were present in the tails of S. nervosum and S. fruticosum. Fibres were thin walled and non-septate. Occasional septate fibres and vasicentric tracheids were present in S. nervosum and S. jambos. Crystals in ray of S. nervosum and S. fruticosum and silica bodies in axial parenchyma of S. jambos were observed. The fibre percentage and wood density were maximum in S. jambos whereas moisture content was minimum in S. jambos. Principal Component Analysis revealed a close relationship among all species. Therefore, the qualitative characteristics and all quantitative anatomical characteristics can be used for reliable identification of Syzygium species.
Co-Authors Lal Sharma, Chaman M. Lamare, Dahunirikitre Pangging, Govinda Sharma, Chaman Lal Wangkhem, Mahesh