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- Title
Development of Kenaf (Hibiscus Cannabinus L.) Pedigrees with Superior Characteristics through Backcross.
- Authors
In-Sok Lee; Chan-Ho Kang; Jin-Jae Lee; Hee-Jun Kim
- Abstract
Multipurpose utilization, including as rope, pulp, and filtration media, is what makes kenaf (Hibiscus cannabinus L.) special. This experiment was conducted to select elite pedigrees with high biomass production through backcrosses. The agronomic performance, fuel characteristics, and histological analysis of the elite lines were investigated at the BC1F2 generation in comparison with the Control. Significant differences were observed in 12 evaluations of variety and pedigrees. Five plants, including the two Controls (Jangdae and Hongma300) and three pedigrees, showed a large difference in the number of flowering days from July 5 to September 30. The plant height of BC100-10 (447 cm) was the highest among the genotypes. Regarding branch number, BC100-15 showed the best performance with 29 branches. Stem dry weight was found to be the lowest in Jangdea at 792 g, whereas BC100-17 showed the highest dry weight. Hongma did not set seeds owing to late flowering. However, with 34 g/plant on average, three elite lines had more seeds than Jangdae (16 g/plant), which are vulnerable to decay owing to viviparous germination. In the fuel characteristics analysis, the heating value of the three elite lines ranged from 4,510 to 4,930 kcal/kg, which was much higher than that of the two Controls (4,320 kcal/kg). The ash content analysis indicated the lowest value at 3.2% for the line BC100-10, which was similar to Korea's 3rd-grade. Based on the histological analysis of the stem, the pedigrees were close to Hongma. Taken together, these three elite lines would be useful as genetic resources for high biomass production.
- Subjects
SOUTH Korea; KENAF; GENEALOGY; BIOMASS production; GERMPLASM; CONTENT analysis
- Publication
Korean Journal of Breeding Science, 2021, Vol 53, Issue 3, p191
- ISSN
0250-3360
- Publication type
Article
- DOI
10.9787/KJBS.2021.53.3.191