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Table 1 Downy mildew isolates of Peronosclerospora, Sclerospora and Peronospora spp analyzed in this study

From: Simple sequence repeat markers useful for sorghum downy mildew (Peronosclerospora sorghi) and related species

Peronosclerospora sorghi– Sorghum downy mildew isolates

Iso. No

Pathotype/DNA

Metalaxyl reaction

Host

Location & year

1

P1

Sensitive

Tx7978-sorghum

Green house, TAMU, TX

2

P3

Sensitive

Tx430-sorghum

Green house, TAMU, TX

3

P3

Sensitive

Whart-A-sorghum

Wharton County, TX – 2001

4

P3

resistant

CR 360A – sorghum

Wharton County, TX – 2002

5

P3

resistant

CR 459A – sorghum

Wharton County, TX – 2002

6

P3

resistant

Fucik B – sorghum

Wharton County, TX – 2002

7

P3

resistant

Merta A – sorghum

Wharton County, TX – 2002

8

P3

resistant

Wesla A – sorghum

Weslaco, TX – 2002

9

P3 or P6

resistant

Grain sorghum

Wharton County, TX – 2004

10

P6

resistant

Johnson grass

Jackson county TX – 2007

12

P6

resistant

Grain sorghum

Wharton County, TX – 2007

13

P6

resistant

Grain sorghum

Wharton County, TX – 2006

14

P3

resistant

Grain sorghum

Wharton County, TX – 2006

15

P3 or P6

resistant

Grain sorghum

Wharton County, TX – 2006

16

P1

Unknown

Johnson grass

Nueces county, TX – 2007

17

P6

resistant

Johnson grass

Wharton county, TX – 2007

18

P6

resistant

Grain sorghum

Wharton county, TX – 2006

19

P3 or P6

resistant

Grain sorghum

Jackson county, TX – 2006

21

P1

Sensitive

Grain sorghum

Nueces county, TX – 2007

Peronosclerospora maydis – Maize downy mildew isolates §

22

DNA # 5

-

Corn

Suwan Farm, Thailand-1975

23

DNA # 6

-

Corn

Malang, Indonesia – 1987

24

DNA #. 7

-

Corn

West Java, Indonesia – 1987

25

DNA #. 8

-

Corn

Suwan Farm, Thailand-1985

26

DNA # 9

-

Corn

Suwan Farm, Thailand-1985

Peronosclerospora philippinensis isolate §

27

DNA #. 1

-

Corn

LosBanos, Phillippines, 1979

Peronosclerospora sacchari – Sugarcane downy mildew isolates §

28

DNA # 2

Race I – Sugar cane

 

China – 1975

29

DNA # 3

Sugar cane

 

Taiwan – 1975

30

DNA # 4

Isolate 77B-SCI – Sugar cane

 

Taiwan – 1977

Peronospora sparsa – Rose downy mildew isolate

31

DNA#1

Infected Rose plant

 

Dis. Diagno. Lab, TAMU, TX

Schlerospora graminicola – Pearl millet downy mildew isolates*

32

DNA #6

cultivar GK1004 – Pearl millet

 

Kennola, A'bad Dt, India

34

DNA #37

cultivar MLPH 104 – Pearl millet

 

Vadagaon, A'nagar Dt., India

36

DNA #42

Local cultivar – Pearl millet

 

Kawdiyal, Bidar Dt., India

37

DNA #16

cultivar Proagro – Pearl millet

 

Hatnur, A'bad Dt., India

38

DNA #20

Cultivar Vijay-4-Pearl millet

 

Parola, Jalgoan Dt., India

  1. * Sporangial isolates 32 through 38 collected from different locations in major pearl millet growing areas in Maharastra, India, Aug. 1999 and were received through ICRISAT (International Crop Research Institute for Semi-Arid Tropics), Patancheru – Hyderabad 502 324, India.
  2. § DNA samples received from USDA/ARS, Foreign Disease-Weed Science Research Unit, Ft. Detrick, MD 21702.