Yield loss of ginger (Zingiber officinale) due to bacterial wilt (Ralstonia solanacearum) in different wilt management systems in Ethiopia

Table 7 Coefficients of correlation (r) between growth, yield and disease incidence in ginger varieties at Jimma, Ethiopia, during the 2017 main cropping season

Variety	Parameter^a	Yield (t ha⁻¹)	Finger per rhizome	Plant height	Tiller per plant	FDI (135 DAP)	FDI (150 DAP)
Boziab	Yield (t ha⁻¹)	1
	Finger per rhizome	0.96**	1
	Plant height	0.61**	0.63**	1
	Tiller per plant	0.92**	0.93**	0.61**	1
	FDI (135 DAP)	− 0.91**	− 0.84**	− 0.68**	− 0.80**	1
	FDI (150 DAP)	− 0.92**	− 0.84**	− 0.64**	− 0.79**	0.99**	1
Local	Yield (t ha⁻¹)	1
	Finger per rhizome	0.64**	1
	Plant height	0.64**	0.67**	1
	Tiller per plant	0.80**	0.64**	0.44*	1
	FDI (135 DAP)	− 0.85**	− 0.82**	− 0.81**	− 0.78**	1
	FDI (150 DAP)	− 0.83**	− 0.80**	− 0.87**	− 0.73**	0.98**	1

^aFDI = final disease incidence
** Describes level of statistical significance at P ≤ 0.01 and * level of statistical significance at P ≤ 0.05

ISSN: 2048-7010