Abstract
The present study was carried out in four Artocarpus species namely A. chaplasha, A. heterophyllus, A. lakoocha and A. nitidus collected from the forests of Assam and Mizoram, NE India. The main objective of study was to evaluate variation in anatomical features among species both qualitatively and quantitatively. All selected species had diffuse-porous wood with indistinct rings, vessels solitary or in radial multiple of 2–3, simple perforation plate, intervessel pits alternate, laticifers in the form of black streaks among fibres and rays, vessel ray pits similar to intervessel pits, vasicentric and lozenge aliform parenchyma. In addition, presence of ray flecks and latex ducts in rays of A. chaplasha, gelatinous fibres in A. chaplasha and A. nitidus, sheath cells in A. lakoocha and A. nitidus, axial parenchyma confluent and winged aliform in A. heterophyllus were observed. Tissue proportions among species showed maximum percentage of fibres in A. nitidus, vessel and rays in A. heterophyllus and parenchyma in A. nitidus, respectively. Maximum vessel frequency was observed in A. chaplasha, while maximum rays were recorded in A. nitidus and A. lakoocha. Quantitative characters showed statistically non-significant differences within species, while these characters exhibited significant differences among species. Correlation for most of the anatomical characteristics was too weak to be significant, but the correlation of specific gravity was positively significant with ray width and negatively significant with fibre diameter.
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The authors are thankful to the Director, NERIST for providing necessary laboratory facilities, help, and encouragement for carrying out the research work.
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Singh, M.K., Sharma, C.L., Sharma, M. (2017). Comparative Wood Anatomy of Four Artocarpus Species of North East India with Reference to Their Identification. In: Pandey, K., Ramakantha, V., Chauhan, S., Arun Kumar, A. (eds) Wood is Good. Springer, Singapore. https://doi.org/10.1007/978-981-10-3115-1_8
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DOI: https://doi.org/10.1007/978-981-10-3115-1_8
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