Claim · model-written summary
Wood calorific value decreases with leaf moisture content; the correlation is not significant for the lowest value (ns).
JatrophaVerbatim
e0“16 Jatropha genotypes were planted in the field for 2 yr and pruned each year for biomass harvesting”
e1“Wood calorific value was also related to leaf moisture content (r = -0.33 ns to -0.69 [p < 0.01]), wood moisture content (r = -0.73[p < 0.01] to -0.77 [p < 0.01]), wood density (r = 0.25 ns to 0.75 [p < 0.01]), lignin (r = 0.71 [p < 0.01] to 0.74 [p < 0.01]) and ash (r = -0.73[p < 0.01] to -0.82 [p < 0.01])”
Title
Agriculture and Natural Resources 2023. doi:10.34044/j.anres.2023.57.2.11
Other claims from this paper (18)
- Intervention effect After pruning, the overall biomass yield of the Jatropha hybrids shows no significant reduction.
- Intervention effect After pruning, leaf size, average leaf weight and specific leaf area show no significant reduction in the Jatropha hybrids.
- Intervention effect After pruning, the SPAD chlorophyll meter reading (SCMR) shows no significant reduction in the Jatropha hybrids.
- Intervention effect Pruning does not reduce the hemicellulose and ash contents of Jatropha genotype wood.
- Intervention effect Pruning does not reduce the moisture, density and calorific value of Jatropha genotype wood.
- Observation Leaf traits, biomass yield and wood quality show significant genotype variation among Jatropha genotypes.
- Intervention effect After pruning, six interspecific hybrids show improved leaf traits.
- Intervention effect Pruning has no effect on the chemical composition of eight Jatropha hybrids.
- Observation KUBJL 5, KUBJL 11, KUBJL 4 and KUBJL 2 have the highest pruning tolerance index, with fresh weight PTIs of 106.25%, 104.07%, 98.27% and 94.57% as written.
- Association Biomass yield decreases as leaf size increases across the Jatropha hybrids (significant correlation).
- Association Biomass yield decreases as average leaf weight increases across the Jatropha hybrids (significant correlation).
- Association Biomass yield increases with the SPAD chlorophyll meter reading (SCMR) across the Jatropha hybrids (significant correlation).
- Association Wood calorific value decreases with wood moisture content (significant correlation).
- Association Wood calorific value increases with wood density; the correlation is not significant for the lowest value (ns).
- Association Wood calorific value increases with lignin content (significant correlation).
- Association Wood calorific value decreases with ash content (significant correlation).
- Recommendation The authors recommend selecting Jatropha hybrids with high biomass yield and heat value using these traits.
- Recommendation The authors recommend that pruning-tolerant interspecific hybrids can be selected from this study.