Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Rotation of Asymmetric Top01:11

Rotation of Asymmetric Top

944
By definition, a spherically symmetric body has the same moment of inertia about any axis passing through its center of mass. This situation changes if there is no spherical symmetry. Since most rigid bodies are not spherically symmetric, these require special treatment.
The relationship between the angular momentum of any rigid body and its angular velocity, both of which are vectors, involves the moment of inertia. The moment of inertia is a scalar quantity only for spherically symmetric...
944
Angle of Twist: Problem Solving01:13

Angle of Twist: Problem Solving

353
An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the...
353
Rotational Motion about a Fixed Axis01:26

Rotational Motion about a Fixed Axis

530
A rigid body's rotation around a fixed axis makes every point within it trace a circular path around a specific line or point. The term given to this type of spinning is defined by the angular position, symbolized by the angle θ. This angle is gauged from a static reference line to the revolving object. From this angular position, any variation is referred to as angular displacement, denoted by dθ. The extent of this displacement can be calculated in degrees, radians, or...
530
Angle of Twist - Elastic Range01:13

Angle of Twist - Elastic Range

362
Consider a cylindrical shaft with a length denoted by L and a consistent cross-sectional radius referred to as r. This shaft undergoes a torque at the free end. The highest shearing strain within the shaft is directly proportional to the twist angle and the radial distance from the shaft axis. When the shaft behaves elastically, this shearing strain can be articulated using variables such as the applied torque, radial distance, the polar moment of inertia, and the modulus of rigidity. By...
362
Rolling Without Slipping01:09

Rolling Without Slipping

4.1K
People have observed the rolling motion without slipping ever since the invention of the wheel. For example, one can look at the interaction between a car's tires and the surface of the road. If the driver presses the accelerator to the floor so that the tires spin without the car moving forward, there must be kinetic friction between the wheels and the road's surface. If the driver slowly presses the accelerator, causing the car to move forward, the tires roll without slipping. It is...
4.1K
Rotation with Constant Angular Acceleration - II01:16

Rotation with Constant Angular Acceleration - II

6.1K
Kinematics is the description of motion. The kinematics of rotational motion discusses the relationships between rotation angle, angular velocity, angular acceleration, and time. One can describe many things with great precision using kinematics, but kinematics does not consider causes. For example, a large angular acceleration describes a very rapid change in angular velocity without any consideration of its cause. Thus, rotational kinematics does not represent the laws of nature.
The first...
6.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Cotton Cultivar Effects on DNA-Based Quantification of <i>Fusarium oxysporum</i> f. sp. <i>vasinfectum</i> Race 4 in Soil.

Plant disease·2026
Same author

Erratum: BRADLEY J. SINCLAIR, ÉLODIE A. VAJDA, TOYOHEI SAIGUSA, IGOR A. SHAMSHEV & TERRY A. WHEELER (2019) Rhamphomyia meigen of the canadian Arctic Archipelago, greenland and iceland (diptera: Empididae). Zootaxa, 4670 (1), 001-094.

Zootaxa·2025
Same author

Activation of three targets by a TAL effector confers susceptibility to bacterial blight of cotton.

Nature communications·2025
Same author

Effects of Fusarium Wilt on Cotton Cultivars with and without <i>Meloidogyne Incognita</i> Resistance in Fields.

Journal of nematology·2022
Same author

Studies of Evaluation Methods for Resistance to Fusarium Wilt Race 4 (<i>Fusarium oxysporum</i> f. sp. <i>vasinfectum</i>) in Cotton: Effects of Cultivar, Planting Date, and Inoculum Density on Disease Progression.

Frontiers in plant science·2022
Same author

Mapping of dynamic QTLs for resistance to Fusarium wilt (Fusarium oxysporum f. sp. vasinfectum) race 4 in a backcross inbred line population of Upland cotton.

Molecular genetics and genomics : MGG·2022

Related Experiment Video

Updated: Jul 27, 2025

Screening Cotton Genotypes for Reniform Nematode Resistance
06:28

Screening Cotton Genotypes for Reniform Nematode Resistance

Published on: May 2, 2019

11.0K

Rotation of Cotton (

Casiani Soto-Ramos1, Terry A Wheeler2, Jonathan Shockey1

  • 1Texas A&M AgriLife Extension Service, Lubbock, TX 79403.

Journal of Nematology
|June 8, 2023
PubMed
Summary

Continuous planting of resistant cotton cultivars significantly boosts yield and lowers reniform nematode populations. This rotation strategy offers a sustainable solution for managing this damaging pest in cotton production.

Keywords:
Gossypium hirsutumRotylenchulus reniformiscottonmanagementreniform nematoderesistance

More Related Videos

Remote Sensing Evaluation of Two-spotted Spider Mite Damage on Greenhouse Cotton
05:03

Remote Sensing Evaluation of Two-spotted Spider Mite Damage on Greenhouse Cotton

Published on: April 28, 2017

8.6K
Agrobacterium-Mediated Virus-Induced Gene Silencing Assay In Cotton
10:18

Agrobacterium-Mediated Virus-Induced Gene Silencing Assay In Cotton

Published on: August 20, 2011

24.5K

Related Experiment Videos

Last Updated: Jul 27, 2025

Screening Cotton Genotypes for Reniform Nematode Resistance
06:28

Screening Cotton Genotypes for Reniform Nematode Resistance

Published on: May 2, 2019

11.0K
Remote Sensing Evaluation of Two-spotted Spider Mite Damage on Greenhouse Cotton
05:03

Remote Sensing Evaluation of Two-spotted Spider Mite Damage on Greenhouse Cotton

Published on: April 28, 2017

8.6K
Agrobacterium-Mediated Virus-Induced Gene Silencing Assay In Cotton
10:18

Agrobacterium-Mediated Virus-Induced Gene Silencing Assay In Cotton

Published on: August 20, 2011

24.5K

Area of Science:

  • Agronomy
  • Plant Pathology
  • Soil Science

Background:

  • Rotylenchulus reniformis (reniform nematode) is a significant pest affecting cotton (Gossypium hirsutum) production worldwide.
  • Crop rotation and resistant cultivars are key strategies for managing soil-borne pathogens and pests.
  • Understanding the long-term effects of different rotation sequences on nematode populations and crop yield is crucial for sustainable agriculture.

Purpose of the Study:

  • To evaluate the impact of three-year crop rotations involving resistant (R) and susceptible (S) cotton cultivars and fallow (F) on cotton yield.
  • To assess the effect of these rotations on Rotylenchulus reniformis nematode density in the soil.
  • To identify optimal rotation strategies for maximizing cotton yield and minimizing nematode infestation.

Main Methods:

  • A three-year field study was conducted using rotation sequences of cotton cultivars resistant or susceptible to R. reniformis, and fallow periods.
  • Cotton yield was measured for each treatment in each year of the rotation.
  • Soil samples were collected and analyzed to quantify R. reniformis (LREN) population densities under different rotation schemes.

Main Results:

  • Continuous planting of resistant cultivars (R1R2R3) resulted in the highest overall cotton yield over the three years.
  • Resistant cultivars consistently yielded significantly higher (78-113%) than susceptible cultivars.
  • R1R2R3 rotations showed a substantial reduction in R. reniformis density (57-70%) compared to susceptible rotations (S1S2S3).

Conclusions:

  • Continuous cultivation of R. reniformis-resistant cotton cultivars is a highly effective strategy for increasing cotton yield.
  • This approach significantly suppresses reniform nematode populations, contributing to improved soil health and crop productivity.
  • The combination of enhanced yield and reduced nematode pressure provides a strong economic incentive for growers to adopt resistant cultivars.