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The Positive Effect of High Micronaire on Spinning Performance of Two California Acala Varieties

J. Pellow, H.B. Cooper, Jr., J. Palmer and D. Anderson


 
ABSTRACT

Phytogen 33 and El Dorado are two Acala varieties that have been developed for the San Joaquin Valley of California. Data are presented that show these two varieties to have relatively higher micronaire than the SJV fiber quality standard (Maxxa) resulting from a higher fiber maturity. The data also show Phytogen 33 and El Dorado to have smaller fiber perimeters and lower or equal linear densities (fineness) than Maxxa even when the micronaire is 0.4 - 0.5 higher. Spinning into carded and combed Ne50's count yarn shows that these two varieties produce yarns that have equal or better strength characteristics and lower levels of imperfections. It is concluded that high micronaire in these two varieties does not predict coarseness and poor spinning performance. It is also shown that an excellent quality Ne50's count yarn can be spun from Phytogen 33 or El Dorado fiber with a 4.9 or 4.7 micronaire, respectively.



Reprinted from Proceedings of the 1997 Beltwide Cotton Conferences pp. 518 - 521
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998