Rice Filling
Rice Filling - Related Videos
02:26
Establishment of Rice Plant Leaf Infection through Fungal Inoculation via Wounding
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2025
This video demonstrates the establishment of rice plant leaf infection through wounding inoculation with Magnaporthe grisea mycelium. The fungal spore-derived germ tube penetrates the epidermal layer, resulting in tissue infection and lesions on the leaves. This method aids pathotype screening and improves plant resistance understanding for molecular breeding.
03:30
A Spray Inoculation Technique to Establish Fungal Infection in Rice Plant Leaves
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2025
This video demonstrates a technique to establish the pathogenic fungus Magnaporthe grisea infection in rice plant leaves. The fungal conidia suspension is sprayed on sections of rice leaf, and the disease progression is assessed by scoring the formation of necrotic lesions.
01:22
Root-Mediated Endophytic Colonization of Beneficial Bacteria in Rice
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2025
Begin with rice seedlings pre-germinated under dark, aseptic conditions to ensure uniform sprouting.Transfer these seedlings to a flask containing a nutrient-rich, semi-solid medium pre-inoculated with a test bacterium.As the plant grows, the roots release chemotactic compounds into the surrounding medium.These compounds stimulate bacterial proliferation, leading to adhesion, multiplication, and colony formation on the root surface.As the roots develop, the bacteria enter the plant through...
10:45
Finding Your Blind Spot and Perceptual Filling-in
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2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University In the back of everyone's eye is a small piece of neural tissue called the retina. The retina has photosensitive cells that respond to stimulation by light. The responses of these cells are sent into the brain through the optic nerve, a bundle of neural fibers. In each retina there is a place somewhere in the periphery where the outputs from retinal cells collect and the bundled optic nerve exits to the brain. At that location,...
03:42
An Assay for Detecting Reactive Oxygen Species Production in Rice Tissues upon Immune Elicitation
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2025
This video demonstrates an assay for real-time detection of reactive oxygen species (ROS) production in rice tissues upon pathogen-associated molecular pattern (PAMP) elicitation. Cut sheath segments and leaf discs are exposed to a bacterial flagella-derived peptide functioning as a PAMP. Upon recognition of the peptide via pattern recognition receptors (PRRs) on plant cells, a rapid and transient production of ROS occurs, which is detected via a chemiluminescence assay.
FAQs
Phloem transport delivers carbohydrates from photosynthetic leaves and stored plant reserves to the developing caryopsis. These imported sugars provide the substrate for endosperm cells, which convert them into starch as the grain develops. The effectiveness of this source-to-sink movement therefore affects how much dry matter each grain accumulates before maturity.
Photosynthetic leaves supply newly produced carbohydrates, while stored reserves provide an additional source for developing grains. Together, these sources support continued dry-matter accumulation after flowering. Their contribution helps explain why conditions affecting leaf photosynthesis or reserve availability can influence final grain weight and the productivity of the crop.
Plant nutrition, water availability, temperature, and hormonal regulation can alter both the rate and duration of filling. These factors influence how consistently developing grains receive resources and how long endosperm cells continue accumulating compounds. Differences in those conditions can consequently produce variation in grain weight, maturity, and quality.
Endosperm cells convert imported sugars into starch, making starch deposition a central component of dry-matter accumulation in the caryopsis. Proteins and other compounds also build up during development, so the final grain reflects several forms of storage. The balance and extent of this accumulation contribute to harvestable grain characteristics and quality.
Researchers can examine grain weight, chalkiness, milling quality, and overall crop productivity as outcomes associated with filling. These traits provide different perspectives: grain weight reflects accumulated dry matter, while chalkiness and milling quality indicate aspects of grain quality. Comparing them helps reveal how filling conditions affect both yield and market-related characteristics.
Understanding how resources, environmental conditions, and hormonal regulation affect filling can support strategies aimed at improving rice production. Breeding efforts may focus on plants that maintain favorable grain development, while management strategies can address conditions linked to nutrition, water, or temperature. The intended outcomes include better grain weight, quality, and productivity.