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Related Concept Videos

Responses to Drought and Flooding02:41

Responses to Drought and Flooding

Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
Regulation of Transpiration by Stomata02:04

Regulation of Transpiration by Stomata

During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.
Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
Transcription01:10

Transcription

Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
Responses to Salt Stress02:02

Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.

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Related Experiment Video

Updated: May 23, 2026

High-Throughput, In-Field Screening of Photosynthetic Efficiency in Crop Plants Using an Autonomous Robot
07:12

High-Throughput, In-Field Screening of Photosynthetic Efficiency in Crop Plants Using an Autonomous Robot

Published on: January 9, 2026

Ecophysiological Characteristics of High-Photosynthetic-Efficiency Rice Varieties and Their Environmental Regulation.

Miao Ye1, Yuxin Mao1, Rong Yuan1

  • 1Jiangsu Key Laboratory of Crop Genetics and Physiology (National Key Laboratory Cultivation Base), Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Agricultural College of Yangzhou University, Yangzhou, Jiangsu, China.

Physiologia Plantarum
|May 22, 2026
PubMed
Summary

High-photosynthetic-efficiency rice varieties possess distinct leaf and canopy traits, including high Rubisco and nitrogen content. Breeding for these traits and optimizing environmental factors can significantly boost rice yield and nitrogen use efficiency (NUE).

Keywords:
canopy light‐nitrogen matchingenvironmental factorsleaf morphology and anatomyphotosynthesisrice

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Last Updated: May 23, 2026

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A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant–Environment Interactions

Published on: August 5, 2020

Area of Science:

  • Plant Physiology
  • Crop Science
  • Agricultural Ecology

Background:

  • Boosting rice yield is crucial for global food security.
  • Improving photosynthetic efficiency is a key strategy for increasing rice production.
  • Understanding the ecophysiological traits of high-efficiency rice is essential for targeted breeding.

Purpose of the Study:

  • To investigate the ecophysiological characteristics of high-photosynthetic-efficiency rice at leaf and canopy levels.
  • To explore the regulation of these traits by environmental factors.
  • To discuss strategies for further enhancing rice photosynthesis and yield.

Main Methods:

  • Comparative analysis of leaf and canopy traits in high-photosynthetic-efficiency rice varieties.
  • Assessment of environmental factor influences on photosynthetic capacity.
  • Discussion of breeding and cultivation approaches.

Main Results:

  • High-efficiency rice exhibits traits like high Rubisco and nitrogen content, large stomata, and enhanced root systems.
  • Canopy traits include erect, dark green leaves, greater lower canopy leaf presence, and optimal light-nitrogen matching.
  • Environmental factors like temperature, drought, CO2, and nitrogen availability significantly impact photosynthetic capacity.

Conclusions:

  • Specific leaf and canopy traits define high-photosynthetic-efficiency rice.
  • Optimizing environmental conditions and nitrogen management is vital for maximizing yield.
  • Breeding for high nitrogen use efficiency (NUE) rice can enhance photosynthesis while mitigating environmental impact.