Table 3.
Ascochyta blight disease scores on National Variety Trial lentil entries for 2014 inoculated with three separate isolates of Ascochyta lentis in a controlled environment room, and in Mallala Pulse Breeding Australia (PBA) trial in 2013 and Horsham PBA trial 2014.
| Lentil line | Pedigree | Controlled environment study % area of plant diseased, averaged for 4 replicates × 4 plants | Field trials % leaf area diseased (%LAD), averaged for 3 replicates | Response group | |||
|---|---|---|---|---|---|---|---|
| Control isolate | Non-aggressive isolate on cv Nipper | Aggressive isolate on cv Nipper | Mallala PBA trial 2013 | Horsham PBA trial 2014 | |||
| Kewell | FT10002 | FT13013 | %LAD | Sqrt %LAD | |||
| Flash | ILL7685/Nugget | 3.7 | 4.6 | 22.9 | 28.3 | 3.51 (12.3)a | 1: Most susceptible line in these tests, lacking major resistance genes and little partial resistance |
| bCIPAL1421 | CIPAL0105-EMS03/CIPAL611//PBA Blitz | 8.1 | 5.8 | 15.0 | 4.3 | 2.19 (4.8) | 2: Lacking major resistance genes but displays partial resistance in field |
| PBA Jumbo | Aldinga/CDC Matador | 1.4 | 3.3 | 14.2 | 8.3 | 2.25 (5.0) | 3a: Susceptible to the new isolate (FT13013)and some susceptibility to older isolate (FT10002) |
| Nugget | Northfield/ILL5714 | 1.8 | 5.5 | 12.5 | 8.3 | 2.80 (5.2) | |
| CIPAL1405 | PBA Blitz/CIPAL804//CIPAL611 | 1.4 | 10.1 | 16.7 | 2.1 | 1.82 (3.3) | |
| Northfield | 0.8 | 3.6 | 17.9 | 3.3 | 1.88 (3.5) | ||
| PBA Greenfield | CIPAL205/Boomer//PBA Flash | 0.0 | 3.6 | 5.9 | 1.7 | 2.37 (5.6) | 3b: Susceptible to the new isolate (FT13013) and resistant to older isolates |
| Nipper | Indianhead/Northfield//Northfield | 0.0 | 0.1 | 8.3 | 13.3 | 2.20 (4.9) | |
| PBA Bounty | ILL6788/Nugget | 0.1 | 1.6 | 9.6 | 10.0 | 2.08 (4.3) | |
| CIPAL1403 | CIPAL405/CIPAL503//PBA Flash | 0.0 | 0.3 | 6.7 | 2.3 | 2.09 (4.4) | |
| CIPAL1404 | Nipper/CIPAL401//PBA Flash | 0.1 | 1.3 | 6.8 | 3.1 | 1.68 (2.8) | |
| PBA Blitz | Cumra/Indianhead//Cassab | 1.0 | 5.3 | 3.1 | 3.3 | 1.18 (1.4) | 4a: Moderate resistance to new isolate (FT13013) but some susceptibility to older isolate (FT10002) |
| PBA Giant | PBA Flash/Boomer | 1.1 | 1.3 | 1.6 | 3.3 | 2.00 (4.0) | 4b: Moderate resistance to tested isolates but some susceptibility in field |
| CIPAL1302 | 96-047L-99R099/CIPAL204//CIPAL401 | 13.8 | 0.0 | 0.1 | 0.0 | 0.53 (0.3) | 5a: Resistant to recent isolates F13013 and FT10002 but susceptible to the control isolate Kewell; all except CIPAL901 have CDC Matador in pedigree (96-047L being a Nugget/ CDC Matador cross) |
| CIPAL1303 | 96-047L-99R099/CIPAL204//CIPAL401 | 7.1 | 0.0 | 0.9 | 0.0 | 0.41 (0.2) | |
| CIPAL1422 | PBA Herald XT/PBA Bolt | 8.4 | 0.0 | 0.1 | 0.0 | 0.94 (0.9) | |
| CIPAL901 | CIPAL501/CIPAL205//PBA Flash | 6.3 | 0.0 | 0.0 | 0.0 | 0.55 (0.3) | |
| CIPAL1204 | 96-047L-99R099/CIPAL0204// CIPAL0401 | 2.7 | 0.0 | 0.4 | 0.0 | 0.54 (0.3) | |
| CIPAL1402 | 99-068L-2-02H042/ 02-325*03HS001 | 3.4 | 0.1 | 0.0 | 0.0 | 0.46 (0.2) | |
| PBA Hurricane XT | PBA Flash/96-047L*99R060M3 | 8.12 | 0.1 | 0.1 | 0.0 | 0.67 (0.4) | |
| Boomer | Digger/Palouse | 0.0 | 0.1 | 1.4 | 0.0 | 1.10 (1.2) | 5b: Resistant to the recent isolates (FT13013 and FT10002) and resistant to the control isolate Kewell; all except PBA Jumbo2 and Boomer have CDC Matador in pedigree |
| CIPAL1401 | PBA Bolt/02-325*03HS001 | 1.8 | 0.0 | 0.1 | 0.0 | 0.75 (0.6) | |
| PBA Jumbo2 | CIPAL205/Boomer//CIPAL401 | 0.8 | 0.0 | 0.0 | 0.0 | 0.03 (0.0) | |
| PBA Bolt | ILL7685/96-047L*99R060 | 0.7 | 0.0 | 0.0 | 1.7 | 0.53 (0.3) | |
| PBA Herald XT | 96-047L*99R060-EMS02 | 0.1 | 0.0 | 0.0 | 0.0 | 1.00 (1.0) | |
| CIPAL1301 | PBA Bolt/02-325*03HS001 | 0.0 | 0.0 | 0.1 | 0.0 | 0.36 (0.1) | |
| PBA Ace | CIPAL501/96-047L*99R099 | 0.0 | 0.0 | 0.0 | 0.0 | 0.36 (0.1) | |
| Least significant difference (P < 0.05) | 3.9 | 1.9 | 0.34 | ||||
a
Raw data in parentheses.
b
CIPAL refers to lentil crosses made by the Coordinated Improvement Program of Australian Lentils multiplied for potential release.