Character association and selection of breeding line based on morphophysiological characteristics and tensile strength in Hibiscus cannabinus L

This study aimed to access different desirable characteristics of nine Hibiscus cannabinus L. accessions based on morphophysiological characteristics and fiber tensile strength for an effective selection of H. cannabinus plant improvement. Four China accessions (FH952, T15, T17, and T19), four Bangl...

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Bibliographic Details
Published in:Bioresources 2020-11, Vol.15 (4), p.8883-8908
Main Authors: Mohamad Ismail, Fatin N., Abdul Hamid, Hazandy, Mohamed, Johar, Abdu, Arifin, Samdin, Zaiton, Mohd Razali, Sheriza
Format: Article
Language:English
Subjects:
Agricultural production
Biomass
Breeding
Carboxylation
Cellulose
Conductance
Design of experiments
Efficiency
Experimental design
Fiber strength
Genetic diversity
Hibiscus cannabinus
Insecticides
Kenaf
Modulus of elasticity
Moisture content
Morphology
Photosynthesis
Physical characteristics
Physiology
Resistance
Seeds
Stomata
Stomatal conductance
Tensile strength
Transpiration
Water use
Water use efficiency
Yield
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Summary:This study aimed to access different desirable characteristics of nine Hibiscus cannabinus L. accessions based on morphophysiological characteristics and fiber tensile strength for an effective selection of H. cannabinus plant improvement. Four China accessions (FH952, T15, T17, and T19), four Bangladesh accessions (HC2, HC95, V4202, and V4383), and V36 (control) accession were examined in a four-month cultivation period. The experimental design was arranged using randomized complete block design with three replications. Stem diameter was found to be significantly related (p ≤ 0.05) with all morphological and yield characteristics except for leaf dry weight and growth efficiency. Bigger stem diameter was an indicator of fiber yield in attempts to apply crossing and selection to improve performance. Photosynthesis rate also was found to be significantly related (p ≤ 0.05) with stomatal conductance, transpiration rate, instantaneous water use efficiency, and carboxylation efficiency. High photosynthesis rate could be an indicator to interpret the pattern of genetic variation of plant assimilation rate and its relation with environmental and agronomic factors. The fiber tensile modulus, however, was found to be inversely correlated with fiber diameter. The present study suggests the selection of control, V4383, HC2, and FH952 accessions for a breeding line as they possess high fiber yield, fiber strength, and photosynthetic efficiency.
ISSN:1930-2126
1930-2126
DOI:10.15376/biores.15.4.8883-8908