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

Table 5 Effects of lemon grass, soil solarization and fertilizer application on rhizome yield (t ha⁻¹) and rhizome yield losses at Teppi and Jimma, Ethiopia, during the 2017 main cropping season

Variety	Treatment combination¹	Relative yield loss (%) at Teppi			Relative yield loss (%) at Jimma
Variety	Treatment combination¹	Yield (t ha⁻¹)	Relative yield (%)	Relative yield loss (%)	Yield (t ha⁻¹)	Relative yield (%)	Relative yield loss (%)
Local	Control	7.1	48.6	− 51.4	8.3	60.6	− 39.4
	L	11.2	76.7	− 23.3	11.3	82.5	− 17.5
	S	8.3	56.8	− 43.2	9.1	66.4	− 33.6
	F	11.3	77.4	− 22.6	9.0	65.7	− 34.3
	L + S	11.5	78.8	− 21.2	11.1	81.0	− 19.0
	L + F	13.1	89.7	− 10.3	13.7	100	0.00
	F + S	8.5	58.2	− 41.8	11.8	86.1	− 13.9
	L + F + S	14.6	100	0.00	12.2	89.1	− 10.9
Boziab	Control	7.7	48.1	− 51.9	8.4	50.9	− 49.1
	L	11.7	73.1	− 26.9	14.0	84.8	− 15.2
	S	8.6	58.3	− 46.3	9.1	55.2	− 44.8
	F	11.4	71.3	− 28.8	11.4	69.1	− 30.9
	L + S	13.2	82.5	− 17.5	14.1	85.5	− 14.5
	L + F	13.5	84.4	− 15.6	14.5	87.9	− 12.1
	F + S	11.5	71.9	− 28.1	11.0	66.7	− 33.3
	L + F + S	16.0	100	0.00	16.5	100	0.00

¹L = lemon grass; F = fertilizer; S = soil solarization; L + F = lemon grass with fertilizer application; L + S = lemon grass application with soil solarization; F + S = fertilizer application with soil solarization; L + F + S = lemon grass application with fertilizer and soil solarization

ISSN: 2048-7010