13
Cotton Aphid

Cotton Aphid

  • Upload
    stacy

  • View
    29

  • Download
    0

Embed Size (px)

DESCRIPTION

Cotton Aphid. Cotton / Early Season Aphids % Control - Texas. James Swart, TX A&M. Schwarzlose1. a. a. a. a. a. a. a. a. a. No. Per Leaf. Cotton Aphid Control Test Idalou, TX 2000. Pre-Treatment Counts. a. bc. c. bc. bc. b. c. bc. c. No. Per Leaf. - PowerPoint PPT Presentation

Citation preview

Page 1: Cotton Aphid

Cotton Aphid

Page 2: Cotton Aphid

Cotton / Early Season Aphids% Control - Texas

0

10

2030

4050

6070

8090

100

3 DAT 7 DAT 11 DAT

UntreatedAssail 0.038Assail 0.05Assail 0.075Assail 0.10Furadan 4F 0.25

Schwarzlose1James Swart, TX A&M

Page 3: Cotton Aphid

Cotton Aphid Control TestIdalou, TX 2000

Pre-Treatment Counts

0 50 100 150 200

Assail 1.14

Bidrin 5.3

Bidrin 8

Capture 4

Centric 0.75

Fulfill 1.37

Furadan 8

Provado 3.75

UTC a

a

a

a

a

a

a

a

a

No. Per Leaf

Page 4: Cotton Aphid

Cotton Aphid Control TestIdalou, TX 2000

5 Days After Treatment

0 50 100 150 200 250 300 350 400 450 500

Assail 1.14

Bidrin 5.3

Bidrin 8

Capture 4

Centric 0.75

Fulfill 1.37

Furadan 8

Provado 3.75

UTC a

bc

c

bc

bc

b

c

bc

c

No. Per Leaf

Page 5: Cotton Aphid

Cotton Aphid Control TestIdalou, TX 2000

9 Days After Treatment

0 5 10 15 20 25 30 35 40 45 50 55 60 65

Assail 1.14

Bidrin 5.3

Bidrin 8

Capture 4

Centric 0.75

Fulfill 1.37

Furadan 8

Provado 3.75

UTC ab

bc

c

c

c

ac

c

c

No. Per Leaf

Page 6: Cotton Aphid

Number of aphids Upper and lower canopy

3 DAT

0 200 400 600 800

Provado .47

Bidrin 8

Intruder 1.1

Intruder .05

Intruder .025

UTC

Upper Lower

Page 7: Cotton Aphid

Number of aphids Upper and lower canopy

7 DAT

0 100 200 300 400 500 600

Provado .47

Bidrin 8

Intruder 1.1

Intruder .05

Intruder .025

UTC

Upper Lower

Page 8: Cotton Aphid

Number of aphids Upper and lower canopy

14 DAT

0 2 4 6 8

Provado .47

Bidrin 8

Intruder 1.1

Intruder .05

Intruder .025

UTC

Upper Lower

Page 9: Cotton Aphid

Cotton / AphidsAphids/Sq. In.

Prattville, AL

0

24

68

1012

1416

1820

12 DAT

UntreatedAssail 0.05Provado 0.0375Calypso 1.5 fl ozBidrin 3.2 oz fpCentric 0.047Fulfill 1.37 oz

OdomDr. Ron Smith

Page 10: Cotton Aphid

AphidsStarkville - MSU

636

184

119

44

23

19

77

109

356

195

149

54

14

25

62

193

0 100 200 300 400 500 600 700

UTC

Calypso .047

Provado .047

Assail .036

Assail .05

Assail .1

Centric .063

Bidrin .4

Number Aphids/15 Leaves

9 DAT

4 DAT

Page 11: Cotton Aphid

AphidsSt. Joseph, LA

213

24

33

22

16

70

0 50 100 150 200 250

UTC

Assail .0375

Assail .05

Assail .075

Assail .1

Furadan .25

Number Aphids/ 5 Plants

Page 12: Cotton Aphid

0

10

20

30

40

50

60

70

80

90

100

Centric 0.0237

Centric0.0473

Provado0.047

Calypso0.036

Calypso0.047

Assail0.0374

Assail 0.05

3DAT1 3DAT2

Assail / Cotton / Cotton AphidsDr. Jeremy Greene Univ. of AR - SEREC, Rohwer, AR. July 2001

% Control of aphids versus the UTC ////// 2 applications @ 7 days apart

All rates in lbs active / acre.

Page 13: Cotton Aphid

Aphid Control on Cotton

0 20 40 60 80 100

Calypso

Centric

Provado

Furadan

Assail

Assail

Assail.025 - .04

.05

.075 - .10

0.25

.0375 - .047

.025 - .05

.025 - .047

80

86.3

96.9

69.2

41.1

75.1

50

% Aphid Control 5-7 Days After Treatment

N= 4

N=11

N=3

N=15

N=12

N=13

N=12

LB AI/A