Abstract
Crantz) is a vital food security crop and industrial feedstock worldwide. Although the excessive use of chemical fertilizers threatens soil health and sustainable agriculture, organic amendments provide an environmentally friendly alternative. In this study, organic fertilizer (chicken manure) was set as treatment and chemical fertilizer as control. The regulatory mechanisms of mature cassava starch synthesis were initially elucidated by integrating agronomic traits, physiological indices, and transcriptome-metabolome analyses. The results showed that organic fertilizer significantly enlarged the leaf xylem cell area, effectively promoting nutrient uptake and utilization. It also markedly improving leaf photosynthetic assimilation and root starch synthesis. Ultimately, organic fertilizer increased cassava yield by 13.72%-26.08% and starch content by 9.90%-11.21%. Combined omics analysis revealed that organic fertilizer modulates stress-related pathways through multiple mechanisms, including elevated levels of caffeoylshikimic acid and caffeoylquinic acid, upregulating genes related to glutathione metabolism, and downregulating β-1, 3-glucanase genes. In conclusion, organic fertilizer promotes photosynthetic assimilation and starch synthesis in cassava through multiple mechanisms. These effects lead to simultaneous increases in storage root yield and starch content.
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Claims 9
Claim · model-written summary
Organic fertilizer enlarged cassava leaf xylem cell area.
- Taxon
- cassava
Manihot esculentat0 - Treatment
- organic fertilizere0
- Outcome
- leaf xylem cell areae0
- Direction
- enlargede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cassava”
e0“organic fertilizer significantly enlarged the leaf xylem cell area”
Claim · model-written summary
Organic fertilizer promoted nutrient uptake and utilization in cassava.
- Taxon
- cassavaManihot esculentat0
- Treatment
- organic fertilizere1
- Outcome
- nutrient uptake and utilizatione0
- Direction
- promotinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cassava”
e0“effectively promoting nutrient uptake and utilization”
e1“organic fertilizer significantly enlarged the leaf xylem cell area”
Claim · model-written summary
Organic fertilizer improved leaf photosynthetic assimilation in cassava.
- Taxon
- cassavaManihot esculentat0
- Treatment
- organic fertilizert0
- Outcome
- leaf photosynthetic assimilatione0
- Direction
- improvinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“organic fertilizer-mediated regulation of starch synthesis in cassava”
e0“markedly improving leaf photosynthetic assimilation and root starch synthesis”
Claim · model-written summary
Organic fertilizer improved root starch synthesis in cassava.
- Taxon
- cassavaManihot esculentat0
- Treatment
- organic fertilizert0
- Outcome
- root starch synthesise0
- Direction
- improvinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“organic fertilizer-mediated regulation of starch synthesis in cassava”
e0“markedly improving leaf photosynthetic assimilation and root starch synthesis”
Claim · model-written summary
Organic fertilizer increased cassava yield by 13.72%-26.08%.
- Taxon
- cassavaManihot esculentae0
- Treatment
- organic fertilizere0
- Outcome
- cassava yielde0
- Direction
- increasede0
- Value
- 13.72%-26.08%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“organic fertilizer increased cassava yield by 13.72%-26.08% and starch content by 9.90%-11.21%”
Claim · model-written summary
Organic fertilizer increased cassava starch content by 9.90%-11.21%.
- Taxon
- cassavaManihot esculentae0
- Treatment
- organic fertilizere0
- Outcome
- starch contente0
- Direction
- increasede0
- Value
- 9.90%-11.21%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“organic fertilizer increased cassava yield by 13.72%-26.08% and starch content by 9.90%-11.21%”
Claim · model-written summary
Organic fertilizer elevated caffeoylshikimic acid and caffeoylquinic acid levels in cassava.
- Taxon
- cassavaManihot esculentat0
- Treatment
- organic fertilizere0
- Outcome
- levels of caffeoylshikimic acid and caffeoylquinic acide0
- Direction
- elevatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cassava”
e0“organic fertilizer modulates stress-related pathways through multiple mechanisms, including elevated levels of caffeoylshikimic acid and caffeoylquinic acid”
Claim · model-written summary
Organic fertilizer upregulated genes related to glutathione metabolism in cassava.
- Taxon
- cassavaManihot esculentat0
- Treatment
- organic fertilizere1
- Outcome
- genes related to glutathione metabolisme0
- Direction
- upregulatinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cassava”
e0“upregulating genes related to glutathione metabolism”
e1“organic fertilizer modulates stress-related pathways”
Claim · model-written summary
Organic fertilizer downregulated β-1, 3-glucanase genes in cassava.
- Taxon
- cassavaManihot esculentat0
- Treatment
- organic fertilizere1
- Outcome
- β-1, 3-glucanase genese0
- Direction
- downregulatinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cassava”
e0“downregulating β-1, 3-glucanase genes”
e1“organic fertilizer modulates stress-related pathways”
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