ugarcane as a Forage Plant: Structural and Chemical Traits that Affect Fiber Qualit

Author(s)

Rodrigues Marques, Joao Paulo ^{[1, 2]} ; Aferri, Gabriela ^[3] ; Montanha, Gabriel Sgabieiro ^[2] ; Perassolo Guedes, Fernanda Trilstz ^[4] ; Soares, Marli Misaki ^[5] ; Muniz, Larissa Fernando ^[5] ; Tomazello Filho, Mario ^[4] ; Xavier, Mauro Alexandre ^[6] ; Pereira de Carvalho, Hudson Wallace ^[2]

Affiliation

^[1] Sao Paulo State Univ UNESP, Inst Biosci, Sect Plant Biol, BR-18618689 Botucatu, SP - Brazil

^[2] Univ Sao Paulo, CENA, DVTEC, Ctr Nucl Energy Agr, BR-13400970 Sao Paulo - Brazil

^[3] Inst Anim Sci, SAA SP, IZ, BR-13380011 Sao Paulo - Brazil

^[4] Univ Sao Paulo, Luiz de Queiroz Coll Agr, Dept Forest Sci, BR-13418260 Sao Paulo - Brazil

^[5] Univ Sao Paulo, Luiz de Queiroz Coll Agr, Dept Biol Sci, BR-13418260 Sao Paulo - Brazil

^[6] Agron Inst, SAA SP, IAC, BR-14001970 Ribeirao Preto, SP - Brazil

• Document type: Journal article
• Source: BIORESOURCES; v. 16, n. 4, p. 7622-7633, NOV 2021.
• Web of Science Citations: 0

Abstract

Sugarcane is widely used as feed for cattle, buffalo, goats, and sheep, primarily during drought periods. Some sugarcane cultivars contain low digestibility fibers, which compromises animal performance. Thus, the present study reports on anatomical, chemical, and elemental analysis along stem internodes of two sugarcane cultivars to better understand the structuredigestibility relationship of industrial cultivar cv. IACSP95-5000 compared to a forage cultivar (cv. IAC86-2480). X-ray microdensitometry assays revealed that the peripheral tissues of IACSP95-5000 were denser than IAC86-2480. In the first internode, cv. IACSP95-5000 has more vascular bundles and occupy a larger area. In addition, it had more fibers surrounding the vascular bundles compared to cv. IAC86-2480. However, fibers are prominent at the fifth internode in both cultivars but are more evident in cv. IACSP95-5000. The microprobe X-ray fluorescence spectroscopy analysis showed that silicon and calcium elemental distribution were similar for both cultivars. The structural features of the forage sugarcane presented herein are able to explain the digestibility differences between cultivars. (AU)

• FAPESP's process: 18/18851-0 - Evaluation of progenies of sugarcane cultivar IAC86-2480 for animal feed
• Grantee: Mauro Alexandre Xavier
• Support Opportunities: Regular Research Grants
• FAPESP's process: 15/19121-8 - Multi-User Equipment approved in grant 2015/05942-0: micro X-Ray Fluorescence system
• Grantee: Hudson Wallace Pereira de Carvalho
• Support Opportunities: Multi-user Equipment Program
• FAPESP's process: 15/05942-0 - Shedding light on the metabolism of nanomaterials absorbed by plants with X-ray and vibrational spectroscopy
• Grantee: Hudson Wallace Pereira de Carvalho
• Support Opportunities: Research Grants - Young Investigators Grants