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Related Concept Videos

Volatilization01:10

Volatilization

Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...
Transgenic Plants02:50

Transgenic Plants

Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
Osmoregulation in Insects01:47

Osmoregulation in Insects

Malpighian tubules are specialized structures found in the digestive systems of many arthropods, including most insects, that handle excretion and osmoregulation. The tubules are typically arranged in pairs and have a convoluted structure that increases their surface area.
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.
Microbe-Plant Interactions01:09

Microbe-Plant Interactions

Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...

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Related Experiment Video

Updated: May 30, 2026

Electroantennographic Bioassay as a Screening Tool for Host Plant Volatiles
12:43

Electroantennographic Bioassay as a Screening Tool for Host Plant Volatiles

Published on: May 6, 2012

Volatiles that encode host-plant quality in the grapevine moth.

Marco Tasin1, Emanuela Betta, Silvia Carlin

  • 1IASMA Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all'Adige, Italy. marco.tasin@iasma.it

Phytochemistry
|July 29, 2011
PubMed
Summary

Plant volatiles signal more than just host location; they indicate plant quality for insects. Grapevine moth oviposition preferences align with microbial-induced changes in plant volatiles and larval fitness.

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Last Updated: May 30, 2026

Electroantennographic Bioassay as a Screening Tool for Host Plant Volatiles
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Published on: May 6, 2012

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics
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Herbivore-induced Blueberry Volatiles and Intra-plant Signaling
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Herbivore-induced Blueberry Volatiles and Intra-plant Signaling

Published on: December 18, 2011

Area of Science:

  • Ecology
  • Chemical Ecology
  • Entomology

Background:

  • Plant volatiles are crucial for herbivorous insects in locating host plants and selecting egg-laying sites.
  • The role of plant volatiles as indicators of plant quality for adult insects seeking host plants remains underexplored.

Purpose of the Study:

  • To investigate if plant volatiles serve as indicators of plant quality for adult insects.
  • To examine the oviposition behavior of the grapevine moth (Lobesia botrana) on grapevine plants (Vitis vinifera) infected with microorganisms.

Main Methods:

  • Correlating larval fitness with the infected state of the grapevine substrate.
  • Analyzing the chemical profiles of volatile bouquets from different Vitis vinifera-microorganism systems using PCA.
  • Assessing oviposition preference in relation to plant volatiles and substrate quality.

Main Results:

  • Oviposition preference for specific volatiles was significantly correlated with substrate fitness.
  • Microorganism introduction altered both the volatile chemical profiles and the plant's suitability as larval food.
  • Principal Component Analysis (PCA) clearly differentiated the chemical profiles of the grapevine-microorganism systems.

Conclusions:

  • Plant volatiles act as reliable indicators of plant quality for ovipositing insects.
  • Plant-microorganism interactions influence plant volatile signals, affecting insect host selection and population dynamics.
  • This study highlights the importance of considering plant-microorganism interactions in plant-insect ecology.