Claim · model-written summary
Leaf aging and declining chlorophyll and absorbance accompanied a decrease in maize Pn.
Zea maysVerbatim
e0“As the growth period progressed, the leaves would age, and the gradual decrease of chlorophyll relative content and Ab led to a gradual decrease in maize Pn.”
Title
Mengfan Gao; Xinxin Wang; Renqiang Chen; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1597198
Other claims from this paper (18)
- Observation Maize leaf area index and chlorophyll content rose then fell with emergence time.
- Observation Mung bean leaf area index and chlorophyll content rose then fell with emergence time.
- Intervention effect Organic fertilizer raised maize leaf area index by 5.99%–36.70%.
- Intervention effect Organic fertilizer raised mung bean leaf area index by 27.43%–28.72%.
- Intervention effect Organic fertilizer raised maize chlorophyll content by 2.31%–3.47%.
- Intervention effect Organic fertilizer raised mung bean chlorophyll content by 4.59%–4.63%.
- Intervention effect Irrigation treatment raised maize leaf area index by 9.73%–33.42% versus I 0.
- Intervention effect Irrigation treatment raised mung bean leaf area index by 6.60%–17.39% versus I 0.
- Intervention effect Irrigation treatment raised maize chlorophyll content by 2.75%–12.68% versus I 0.
- Intervention effect Irrigation treatment raised mung bean chlorophyll content by 4.14%–9.12% versus I 0.
- Observation Gas exchange and absorbance first rose and then fell over emergence time in maize and mung bean.
- Observation Maize net photosynthetic rate increased by 5.04%–47.12%.
- Observation Mung bean net photosynthetic rate increased by 11.29%–26.60%.
- Association Maize Pn correlated strongly with chlorophyll content and absorbance.
- Observation Three-dimensional Pn curves with chlorophyll content and absorbance were S-shaped.
- Association Crop water use efficiency rose then fell with increasing irrigation volume.
- Intervention effect Organic fertilizer significantly improved water use efficiency in the intercrop.
- Recommendation Authors conclude combined organic fertilizer and irrigation can improve grain output and quality.