Genotypic variation of metribuzin and carfentrazone-ethyl tolerance among yellow lupin (Lupinus luteus L.) germplasm

Figures & data

Table 1  Survival (%) and plant damage score of 50 yellow lupin accessions in response to 150 g ai ha⁻¹ metribuzin and 200 g ai ha⁻¹ carfentrazone-ethyl.

			Metribuzin (150 g ai ha^−1)		Carfentrazone-ethyl (200 g ai ha^−1)
Accession number^1	Country of origin	Breeding status	Survival (%)	Damage score^2	Survival (%)	Damage score^2
P20873	Ukraine	Breeding line	100	1.0	100	3.4
P20874	Ukraine	Cultivar (Kievskij Bystrorastushchii)	100	2.6	100	5.4
P20875	Byelorussia	Breeding line	100	1.4	100	4.7
P20879	Portugal	Wild	100	2.1	100	3.4
P20883	Germany	Cultivar (Alteria)	100	2.1	100	4.4
P21229	Netherlands	Cultivar (Mommersteegs Gele)	100	2.2	100	4.3
P22607	Germany	Cultivar (Refusa)	83	3.7	100	4.7
P22615	Germany	Cultivar (Puissant)	100	3.3	100	4.6
P22963	Germany	Cultivar (Weiko IV)	100	3.5	100	4.4
P22968	Hungary	Cultivar (Expressz)	79	5.7	100	4.5
P22969	Hungary	Cultivar (Uszychi)	100	4.8	100	5.5
P23285	Latvia	Cultivar (Boets)	100	2.2	100	3.9
P23291	Poland	Cultivar	100	1.0	100	4.3
P23292	Germany	Cultivar (Borluta)	100	2.1	100	5.2
P23296	Russia	Cultivar (Zhitomirsky 775)	60	6.8	100	5.5
P23298	Byelorussia	Cultivar	100	4.5	100	3.4
P24026	Portugal	Landrace	65	6.2	100	5.4
P24028	Portugal	Landrace	100	6.6	100	5.0
P24029	Portugal	Landrace	100	4.8	100	5.2
P24031	Portugal	Landrace	100	2.5	100	3.8
P25791	Portugal	Landrace	66	5.7	100	5.4
P25948	New Zealand	Landrace	100	3.1	100	4.2
P25952	Ukraine	Cultivar (Motiv 369)	66	6.1	100	4.4
P26827	Morocco	Landrace	100	3.6	100	5.1
P26829	Morocco	Wild	100	2.4	100	4.5
P26836	Morocco	Wild	96	5.0	100	5.1
P26838	Morocco	Wild	100	4.3	100	5.1
P27849	Portugal	Cultivar (Acos)	100	3.0	100	5.3
P28176	Byelorussia	Breeding line	100	2.2	100	4.3
P28184	Byelorussia	Breeding line	100	3.1	100	5.0
P28319	Poland	Cultivar (Teo)	81	4.6	100	6.7
P28326	Germany	Cultivar (Borena)	100	2.0	100	4.1
P28329	Germany	Cultivar (Borsaja)	100	1.1	100	4.0
P28352	Portugal	Landrace	89	4.5	100	5.5
P28779	Ukraine	Breeding line	100	2.5	100	4.9
P28782	Ukraine	Breeding line	100	3.7	100	4.1
P28791	Ukraine	Breeding line	100	3.6	100	4.0
P28800	Poland	Breeding line	100	1.0	100	3.6
P28805	Poland	Cultivar (unknown)	100	2.3	100	5.0
P28811	Portugal	Landrace	88	4.7	100	4.5
P28816	Portugal	Wild	50	7.5	100	4.2
P28832	Portugal	Wild	100	2.8	100	3.4
P28849	Portugal	Wild	97	2.4	100	5.5
P28900	Poland	Landrace	16	8.5	100	5.4
P28911	Byelorussia	Breeding line	100	2.6	100	5.3
P28932	Poland	Breeding line	94	3.2	100	4.8
Pootallong	Australia	Cultivar (Pootallong)	21	8.1	100	4.8
WALLU2001	Australia	Breeding line	50	5.8	100	5.0
WALLU2013	Australia	Breeding line	78	6.7	100	3.8
WALLU2017	Australia	Breeding line	100	2.6	100	4.0
Mandelup	Australia	Cultivar of narrow-leafed lupin	100	1.0	100	6.5
l.s.d (P = 0.05)			28	1.9	–	1.3
^1 Accession number is the Australian yellow lupin collection ID number.
^2 Plant damage score: 1 = no symptom of herbicide damage and 9 = plants killed.

Figure 1  Dose response of yellow lupin cultivar ‘Pootallong’ (▵) and narrow-leafed lupin cultivars ‘Mandelup’ (♦) and ‘Danja’ (▪) to metribuzin with plants grown in glasshouses. A, Survival (%). B, Shoot dry weight (percentage of control) excluding dead plants. C, Plant damage score, where 1 represents no symptoms and 9 represents dead plants. The vertical bars above and below the graphed points are standard errors.

Table 2  LD₅₀ and GR₅₀ values (mean ±SE) of metribuzin for yellow lupin and narrow-leafed lupin cultivars.

Species	Cultivar	LD50	GR50
Yellow lupin	Pootallong	130±9.4	75±10.5
Narrow-leafed lupin	Danja	175±7.2	105±11.6
	Mandelup	1280±12.7	240±5.3

Table 3  Tolerance categories of yellow lupin germplasm in response to metribuzin at 150 g ai ha⁻¹.

Category	Range of plant score^1	No. of accessions	% of germplasm	Name of accessions
Very tolerant	1–1.99	5	10	P20873, P20875, P23291, P28329, P28800
Tolerant	2–2.99	17	34	P20874, P20879, P20883, P21229, P23285, P23292, P24031, P26829, P27849, P28176, P28326, P28779, P28805, P28832, P28849, P28911, WALLU2017
Moderate	3–4.99	17	34	P22607, P22615, P22963, P22969, P23298, P24029, P25948, P26827, P28791, P26836, P26838, P28184, P28319, P28352, P28782, P28811, P28932
Susceptible	5–6.99	8	16	P22968, P23296, P24028, P24026, P25791, P25952, WALLU2001, WALLU2013
Very susceptible	7–9	3	6	P28816, P28900, Pootallong
^1 Plant damage score: 1 = no symptom of herbicide damage and 9 = plants killed.

Table 4  Mean and range of plant damage score¹ in the different categories of breeding status of 50 yellow lupin germplasm subjected to 150 g ai ha⁻¹ metribuzin and 200 g ai ha⁻¹ carfentrazone-ethyl.

		Metribuzin (150 g ai ha^−1)		Carfentrazone-ethyl (200 g ai ha^−1)
Category	No. of accessions	Mean	Range	Mean	Range
Cultivar	20	3.6	1.0–8.1	4.7	3.4–6.7
Breeding line	13	3.0	1.0–6.7	4.3	3.4–5.3
Landrace	10	5.0	2.5–8.5	4.9	3.8–5.5
Wild type	7	3.8	2.1–7.5	4.5	3.4–5.5
^1 Plant damage score: 1 = no symptom of herbicide damage and 9 = plants killed.

Fig. 2  Dose response of yellow lupin cultivar Pootallong (▵) and narrow-leafed lupin cultivar Mandelup (♦) and wild radish (▪) to carfentrazone-ethyl with plants grown in glasshouses. A, Survival (%). B, Shoot dry weight (percentage of control) excluding dead plants. C, Plant damage score, where 1 represents no symptoms and 9 represents dead plants. The vertical bars above and below the graphed points are standard errors.