The Relationship Between Cotton Fiber Development and Fiber Properties

Hessler, Lyle E.

doi:10.1177/004051756103100106

Cited by 4 publications

(4 citation statements)

References 5 publications

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“…Those authors suggested that changes in perimeter during fiber development were dependent on the opposing factors of increasing maturity and increasing "coarseness," and that a propensity for greater maturity tends to go with lower perimeter fibers. Hessler 53 hand harvested open cotton bolls from flowers set before or after a midway point in the flowering window, and assessed the quality of this early and late cotton for each of 18 genotypes. The Hessler paper reported that cotton fibers from early set bolls were more mature, had smaller perimeters, and higher micronaire compared with later set bolls.…”

Section: Effects Of Genotype and Defoliation Timingmentioning

confidence: 99%

Effects of cotton genotype, defoliation timing and season on fiber cross-sectional properties and yarn performance

Long

Delhom

Bange

2021

Textile Research Journal

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Cotton fiber cross-sectional properties influence the performance of ring spun yarns. The spinning performance of two Gossypium hirsutum L. Upland cotton genotypes known to have inherently different fiber fineness properties were compared. Genotypes were grown together in field experiments conducted over two growing seasons, and crops were subjected to early and late defoliation treatments. The aim was to quantify the differences in yarn properties following changes targeting fiber fineness properties in isolation from other fiber properties. For the first time, the percentage difference in yarn properties was captured along with the associated changes made to alternative fiber fineness properties within the base micronaire 3.50 to 4.90 G5 range. As expected the genotype with lower fiber micronaire, linear density, and perimeter, spun yarns that were stronger and more even. Late defoliated cotton plants produced fibers that were higher in micronaire and maturity ratio, and were bigger in perimeter, which demonstrated that the fibers had expanded during the secondary wall thickening phase of development. However, the defoliation treatment effect on fiber fineness properties was smaller compared with the effect of genotype, and no change to any yarn property was detected. In terms of environmental effects, the first season cotton had smaller perimeter finer fibers that spun stronger and more even yarns. In contrast, the second season cotton had bigger perimeter fibers that spun weaker and less even yarns.

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Section: Effects Of Genotype and Defoliation Timingmentioning

confidence: 99%

Effects of cotton genotype, defoliation timing and season on fiber cross-sectional properties and yarn performance

Long

Delhom

Bange

2021

Textile Research Journal

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“…Fiber fineness is a varietal characteristic but is also affected by growing conditions in the latter stages of fiber development (Hessler, 1961). Favorable growing conditions result in fully mature fibers and optimum micronaire readings.…”

Section: Usda Instrument Determinationsmentioning

confidence: 99%

COTTON GINNERS HANDBOOK: The Classification of Cotton

Delhom¹,

Knowlton²,

Martin³

et al. 2020

JCS

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Cotton classification is the process of using official standards and standardized procedures to measure the physical attributes of raw cotton. The USDA Agricultural Marketing Service (AMS) classes essentially all cotton grown in the U.S. Samples are collected from each bale at the gin or warehouse for classing at one of 10 AMS classing offices. Automated instrumentation is used to assess fiber length, length uniformity, strength, color, micronaire, and non-lint content. Automation has allowed AMS to continue classing cotton efficiently as crop size has expanded. A human classer examines every classing sample to determine if there is any extraneous matter present that would alter the value of the bale. Classing results are matched with a permanent bale identification number that is assigned to each bale at the time of sampling. This identification number allows the bale to be identified throughout the supply chain, from packaging of the bale at the gin through consumption on the textile mill floor.

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“…These factors have been known to influence the physical parameters,,of cotton rather considerably. 6. In general, on slack-mercerization, the average perimeter, as well as its spread or variation within a sample, decreases, while in the cases of cell-wall thickness and area, the averages and their spread both increase.…”

Section: Conclusion -mentioning

confidence: 95%

“…Pearson [ 12] examined the perimeter of fibers from the Chalazal end, as well as from the middle of the seeds extracted from bolls collected after different growth periods, and he found considerable variation in perimeter. Investigations by Hessler [6] revealed that there were perimeter variations between the early-and lateseason cotton crops. He attributed these variations in fiber structure to the environmental differences prevailing between the early-and late-season crops.…”

Section: Introductionmentioning

confidence: 99%