Are yarn quality prediction tools useful in the breeding of high yielding and better fibre quality cotton (Gossypium hirsutum L.)?

Liu, Shiming; Gordon, Stuart; Stiller, Warwick

doi:10.1186/s42397-023-00155-w

Table 2 Correlation coefficient and significance of yield, lint percentage, fibre quality properties, predicted yarn properties and other composite fibre quality values from mean estimates of analysis of individual and combined season experiments

From: Are yarn quality prediction tools useful in the breeding of high yielding and better fibre quality cotton (Gossypium hirsutum L.)?

Trait	Season	LP	LEN	UNI	SFI	STR	EL	MIC	FQI	YCV	YT	PD points
LY	2016/2017	0.484^***	-0.211^***	-0.204^***	0.257^***	ns	ns	ns	-0.195^**	0.201^***	-0.191^**	ns
	2017/2018	0.542^***	ns	ns	-0.299^***	ns	ns	ns	ns	-0.130^*	ns	ns
	2018/2019	0.665^***	ns	ns	ns	ns	ns	0.133^*	ns	0.126^*	ns	0.120^*
	Combined	0.689^***	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns
LP	2016/2017		-0.309^***	-0.182^**	0.320^***	ns	0.159^**	0.194^**	-0.294^***	0.312^***	-0.255^***	ns
	2017/2018		-0.207^***	ns	-0.481^***	ns	0.185^**	0.127^*	-0.198^***	ns	ns	ns
	2018/2019		-0.138^*	ns	ns	ns	ns	0.279^***	-0.273^***	0.251^***	-0.235^***	ns
	Combined		-0.228^***	ns	ns	ns	0.164^**	0.225^***	-0.294^***	0.191^**	-0.191^**	ns
LEN	2016/2017			0.526^***	-0.741^***	ns	-0.491^***	-0.529^***	0.761^***	-0.794^***	0.607^***	0.453^***
	2017/2018			0.553^***	ns	0.276^***	-0.353^***	-0.435^***	0.743^***	-0.412^***	0.446^***	0.590^***
	2018/2019			0.299^***	-0.401^***	0.286^***	-0.422^***	-0.494^***	0.773^***	-0.648^***	0.614^***	0.566^***
	Combined			0.465^***	-0.416^***	0.161^**	-0.529^***	-0.514^***	0.761^***	-0.713^***	0.614^***	0.453^***
UNI	2016/2017				-0.707^***	ns	ns	ns	0.402^***	-0.451^***	0.353^***	0.209^***
	2017/2018				ns	0.390^***	ns	-0.159^**	0.509^***	-0.153^*	0.311^***	0.378^***
	2018/2019				-0.851^***	0.354^***	ns	ns	0.355^***	-0.645^***	0.574^***	0.207^***
	Combined				-0.625^***	0.296^***	ns	ns	0.402^***	-0.350^***	0.369^***	0.209^***
SFI	2016/2017					-0.119^*	0.245^***	0.268^***	-0.569^***	0.711^***	-0.549^***	-0.182^**
	2017/2018					ns	ns	ns	ns	0.399^***	-0.193^**	ns
	2018/2019					-0.440^***	ns	ns	-0.438^***	0.779^***	-0.704^***	-0.176^**
	Combined					-0.277^***	ns	ns	-0.569^***	0.481^***	-0.425^***	-0.182^**
STR	2016/2017						-0.348^***	0.165^**	0.363^***	ns	0.562^***	ns
	2017/2018						-0.280^***	ns	0.554^***	ns	0.575^***	0.214^***
	2018/2019						-0.187^**	ns	0.494^***	-0.322^***	0.659^***	0.194^**
	Combined						-0.299^***	0.126^*	0.363^***	ns	0.575^***	ns
EL	2016/2017							0.241^***	-0.501^***	0.318^***	-0.467^***	ns
	2017/2018							0.279^***	-0.405^***	0.246^***	-0.352^***	-0.242^***
	2018/2019							0.294^***	-0.375^***	0.128^*	-0.209^***	-0.264^***
	Combined							0.380^***	-0.501^***	0.387^***	-0.486^***	-0.108^***
MIC	2016/2017								-0.779^***	0.859^***	-0.668^***	-0.557^***
	2017/2018								-0.790^***	0.876^***	-0.793^***	-0.684^***
	2018/2019								-0.791^***	0.679^***	-0.609^***	-0.492^***
	Combined								-0.779^***	0.856^***	-0.687^***	-0.557^***
FQI	2016/2017									-0.861^***	0.952^***	0.441^***
	2017/2018									-0.710^***	0.883^***	0.687^***
	2018/2019									-0.835^***	0.908^***	0.536^***
	Combined									-0.861^***	0.952^***	0.441^***
YCV	2016/2017										-0.758^***	-0.510^***
	2017/2018										-0.841^***	-0.661^***
	2018/2019										-0.904^***	-0.450^***
	Combined										-0.819^***	-0.510^***
YT	2016/2017											0.395^***
	2017/2018											0.662^***
	2018/2019											0.473^***
	Combined											0.395^***

LY lint yield, LP lint percentage, LEN fibre length, UNI fibre uniformity, SFI short fibre index, STR fibre strength, EL fibre elongation, MIC fibre micronaire, FQI fibre quality index, YCV yarn evenness, YT yarn tenacity, PD points Premium and Discount points, ns non-significant
^*,^**,^*** represent significance at P < 0.05, 0.01, and 0.001, respectively

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