Insights from respiration physiology into controlled atmosphere for better management of stored grain insect pests

Waseem Abbas

doi:10.26182/kp6h-v517

Insights from respiration physiology into controlled atmosphere for better management of stored grain insect pests

Waseem Abbas

School of Biological Sciences

Research output: Thesis › Doctoral Thesis

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Abstract

Controlled atmosphere (CA) alters gases to cause asphyxiation of stored grain insect pests, and so aims to be an eco-friendly management method. Here, I show CA research does not incorporate, and thus is impeded by, knowledge of insect respiration physiology. I measure gas exchange of four species (two grain pests) under varying gaseous conditions, and so explain factors controlling breathing patterns. With this knowledge, I ran a multigenerational CA experiment on one grain pest and so confirmed a synergism between two gases, and thus demonstrate the overwhelming role of respiration physiology to advance CA research and its commercial application.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Evans, Theo, Supervisor Withers, Philip, Supervisor Ren, Yongling, Supervisor Xu, Wei, Supervisor, External person
Award date	12 May 2021
DOIs	https://doi.org/10.26182/kp6h-v517
Publication status	Unpublished - 2021

Embargo information

Embargoed from 03/06/2021 to 04/02/2023. Made publicly available on 04/02/2023.

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10.26182/kp6h-v517

THESIS - DOCTOR OF PHILOSOPHY - ABBAS Waseem - 2021
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Cite this

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keywords = "Controlled atmosphere, Insect respiration physiology, Gas exchange patterns, Discontinuous gas exchange, Metabolic rate, Evaporative water loss, Tribolium castaneum, Stored grain insect pests",

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AB - Controlled atmosphere (CA) alters gases to cause asphyxiation of stored grain insect pests, and so aims to be an eco-friendly management method. Here, I show CA research does not incorporate, and thus is impeded by, knowledge of insect respiration physiology. I measure gas exchange of four species (two grain pests) under varying gaseous conditions, and so explain factors controlling breathing patterns. With this knowledge, I ran a multigenerational CA experiment on one grain pest and so confirmed a synergism between two gases, and thus demonstrate the overwhelming role of respiration physiology to advance CA research and its commercial application.

KW - Controlled atmosphere

KW - Insect respiration physiology

KW - Gas exchange patterns

KW - Discontinuous gas exchange

KW - Metabolic rate

KW - Evaporative water loss

KW - Tribolium castaneum

KW - Stored grain insect pests

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DO - 10.26182/kp6h-v517

M3 - Doctoral Thesis

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Insights from respiration physiology into controlled atmosphere for better management of stored grain insect pests

Abstract

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