Table 1. Materials used in this study, seed characteristics and growth habit of weedy rice biotypes collected in Uruguayan rice fields from 1996 to 1998. AFLP group is referred to the group found after the analysis of AFLP data (clusters A, B and C).

No

AFLP group

Site of collection

Hull

Apex

Awn Type

Growth habit

2

A

Vichadero-1

Black

Purple

Long>50

Semi-upright

3

A

Vichadero-2

Black

Purple

Long>50

Upright

4

C

Vichadero-3

Straw

Straw

Absent

Semi- postrate

5

C

Tacuarembo-1

Straw

Straw

Absent

Semi-postrate

6

C

Tacuarembo-2

Straw

Straw

Absent

Semi-upright

8

A

Tacuarembo-4

Not av.

Not av.

Short<50

Upright

9

C

Tacuarembo-5

Straw

Straw

Absent

Medium

10

B

Tacuarembo-6

Straw

Straw

Absent

Upright

11

B

Zapata-1

Straw

Straw

Short<50

Semi-upright

12

A

Zapata-2

Black

Purple

Long>50

Semi-upright

13

A

Zapata-3

Black

Purple

Short>50

Semi-upright

14

C

Zapata-4

Straw

Straw

Absent

Semi-upright

15

A

Zapata-5

Black

Purple

Long>50

Semi-postrate

16

A

Zapata-6

Black

Purple

Long>50

Postrate

17

C

Rio Branco-1

Straw

Straw

Absent

Semi-postrate

18

A

Rio Branco-2

Straw

Straw

Absent

Semi-postrate

19

A

Rio Branco-3

Straw

Straw

Absent

Semi-postrate

20

C

Rio Branco-4

Straw

Straw

Absent

Upright

21

B

Rio Branco-5

Straw

Straw

Short<50

Upright

22

A

La Charqueada-1

Black

Purple

Long>50

Upright

23

A

La Charqueada-2

Black

Purple

Long>50

Semi-upright

24

A

Rincon de Ramirez

Black

Purple

Long>50

Semi-postrate

26

C

Unknown 1

Straw

Straw

Absent

Medium

27

B

Unknown 2

Straw

Straw

Absent

Semi-postrate

28

B

Unknown 3

Black

Purple

Long>50

Semi-upright

29

A

Unknown 4

Black

Not av.

Not av.

Not av.

30

B

INIA Tacuari

Straw

Straw

Absent

Upright

31

B

INIA Caraguata

Straw

Straw

Absent

Upright

32

B

INIA Zapata

Straw

Purple

Absent

Upright

33

B

INIA Cuaro

Straw

Straw

Short<50

Upright

34

B

Buebelle

Ochre

Dun

Absent

Upright

35

B

EEA 404

Straw

Straw

Absent

Upright

Long>50 = long awn present in more than 50% of seeds per panicle.
Short<50 = short awn present in less than 50% of seeds per panicle.
Short>50 = short awn present in more than 50% of seeds per panicle.

 

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