An Application of Growth Analysis Method to Simple Correlation Analysis between Dry Matter Indigestibility and Lignin Content with Growth of a Forage

Masataka Shimojo, Takashi Bungo, Manabu Tobisa, Yoshimi Imura, Naoki Koga, Shao Tao, Muhammad Yunus, Yutaka Nakano, Ichiro Goto, Mitsuhiro Furuse, Yasuhisa Masuda

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Abstract

This study was conducted to apply the growth analysis method to the simple correlation analysis between dry matter indigestibility [DMI] and lignin content [LC] with growth of a forage. The growth was set between each sampling day [tk] and the day [tm], estimated from the regression line, when the mean value was given for each of DMI and LC. Terms used in the growth analysis method were forage relative growth rate [RGRw], the formation rate of indigestible materials for measured data [FRI] and that for estimated data [fri] from the regression line between DMI and LC, the formation rate of lignin [FRL], and the formation of indigestible materials per unit increase in lignin for measured data [FIL] and that for estimated data [fil]. The following results were obtained: The correlation coefficient [r], regression coefficient [b] and standard error of estimates [SEE] in the simple correlation analysis between DMI and LC were described using RGRw, FRI, fri, FRL, FIL and fil. FIL, fil, and the ratio or the difference between them seemed to influence, in some degree, the determination of r, b or SEE. It was suggested that the simple correlation analysis between DMI and LC was described using growth analysis method, implying influences of FIL and fil on the determination of r, b and SEE.

Original languageEnglish
Pages (from-to)127-136
Number of pages10
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume43
Issue number1-2
Publication statusPublished - Nov 1 1998

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Lignin
lignin
forage
Growth
methodology

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

Cite this

An Application of Growth Analysis Method to Simple Correlation Analysis between Dry Matter Indigestibility and Lignin Content with Growth of a Forage. / Shimojo, Masataka; Bungo, Takashi; Tobisa, Manabu; Imura, Yoshimi; Koga, Naoki; Tao, Shao; Yunus, Muhammad; Nakano, Yutaka; Goto, Ichiro; Furuse, Mitsuhiro; Masuda, Yasuhisa.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 43, No. 1-2, 01.11.1998, p. 127-136.

Research output: Contribution to journalArticle

Shimojo, Masataka ; Bungo, Takashi ; Tobisa, Manabu ; Imura, Yoshimi ; Koga, Naoki ; Tao, Shao ; Yunus, Muhammad ; Nakano, Yutaka ; Goto, Ichiro ; Furuse, Mitsuhiro ; Masuda, Yasuhisa. / An Application of Growth Analysis Method to Simple Correlation Analysis between Dry Matter Indigestibility and Lignin Content with Growth of a Forage. In: Journal of the Faculty of Agriculture, Kyushu University. 1998 ; Vol. 43, No. 1-2. pp. 127-136.
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abstract = "This study was conducted to apply the growth analysis method to the simple correlation analysis between dry matter indigestibility [DMI] and lignin content [LC] with growth of a forage. The growth was set between each sampling day [tk] and the day [tm], estimated from the regression line, when the mean value was given for each of DMI and LC. Terms used in the growth analysis method were forage relative growth rate [RGRw], the formation rate of indigestible materials for measured data [FRI] and that for estimated data [fri] from the regression line between DMI and LC, the formation rate of lignin [FRL], and the formation of indigestible materials per unit increase in lignin for measured data [FIL] and that for estimated data [fil]. The following results were obtained: The correlation coefficient [r], regression coefficient [b] and standard error of estimates [SEE] in the simple correlation analysis between DMI and LC were described using RGRw, FRI, fri, FRL, FIL and fil. FIL, fil, and the ratio or the difference between them seemed to influence, in some degree, the determination of r, b or SEE. It was suggested that the simple correlation analysis between DMI and LC was described using growth analysis method, implying influences of FIL and fil on the determination of r, b and SEE.",
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AU - Imura, Yoshimi

AU - Koga, Naoki

AU - Tao, Shao

AU - Yunus, Muhammad

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