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Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
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Transmission-Line Differential Equations01:26

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Protocol for Mosquito Rearing A. gambiae
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Phytoplasma Transmission: Insect Rearing and Infection Protocols.

L Pagliari1, J Chuche2,3, D Bosco4

  • 1Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Udine, Italy. laura.pagliari@uniud.it.

Methods in Molecular Biology (Clifton, N.J.)
|October 27, 2018
PubMed
Summary
This summary is machine-generated.

This chapter details rearing protocols for phytoplasma insect vectors like Euscelidius variegatus and Macrosteles quadripunctulatus. These methods enable the study of phytoplasma-plant interactions in controlled environments.

Keywords:
Euscelidius variegatusHyalesthes obsoletusInfection protocolMacrosteles quadripunctulatusScaphoideus titanus

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Area of Science:

  • Plant pathology
  • Entomology
  • Microbiology

Background:

  • Phytoplasmas are obligate intracellular plant pathogens requiring specific insect vectors and host plants for survival and study.
  • Understanding phytoplasma transmission and host interactions is crucial for developing effective disease management strategies.

Purpose of the Study:

  • To provide standardized protocols for rearing key phytoplasma insect vectors.
  • To establish methods for obtaining experimentally infected insects and plants under controlled conditions.
  • To facilitate research on phytoplasma diseases affecting important crops like Arabidopsis thaliana and grapevine.

Main Methods:

  • Rearing protocols for Euscelidius variegatus and Macrosteles quadripunctulatus, vectors of phytoplasmas affecting Arabidopsis thaliana.
  • Rearing protocols for Hyalesthes obsoletus and Scaphoideus titanus, vectors of phytoplasmas affecting grapevine.
  • Methods for maintaining controlled environmental conditions for insect rearing and plant inoculation.

Main Results:

  • Successfully established rearing methods for the selected phytoplasma insect vectors.
  • Demonstrated the ability to produce phytoplasma-infected insects and plants under laboratory conditions.
  • Provided a foundation for reproducible phytoplasma research.

Conclusions:

  • The presented protocols enable controlled study of phytoplasma-host-vector interactions.
  • These methods are essential for advancing research in plant pathology and vector biology.
  • Facilitates the development of novel strategies for managing phytoplasma diseases.