RICE FIELD DAY - University of California, Davis RICE FIELD DAY... · RICE FIELD DAY WEED CONTROL...

RICE FIELD DAY

WEED CONTROLK . Al-Khat ib A .S. Godar A . Ceseski

California Cooperative Rice Research Foundation, Inc.

University of California

August 31, 2016

R I C E F I E LD DAY

W E ED CONT ROLK. Al-Khat ib A .S . Godar A . Ceseski

California Cooperative Rice Research Foundation, Inc.

University of California

August 31, 2016

DATE TIMING/CROP STAGE

Late watergrass Sprangletop Ricefield bulrush Smallflower umbrellasedge Ducksalad Redstem Water Temp Air Temp Wind

22-May Seeding - - - - - - - - -

22-May DOS - - - - - - 60 63 -

29-May 1 lsr 1 leaf - 1 leaf 1-2 leaf 2 leaf - 81 83 -

19-Jun 1 tiller 1-2 tiller 1-2 tiller 2-3 tiller 3 tiller flowering 5-6 leaf - 75 2.7 W

WEED SIZE WEATHER

# PROGRAM RATE/ACRE TIMING

(product amount)

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

1 Untreated - - 38 13 15 12 29 P 42 12 16 14 10 P 0 0 0 0 0 0

GWN-10235 0.25 L 1 lsr

Sandea 1 oz 1 lsr

3 Butte 7.5 lb DOS 79 100 100 100 100 P 79 100 100 100 100 P 15 0 9 11 0 0

4 Butte 9 lb DOS 91 100 100 100 100 P 88 100 100 100 100 P 12 0 6 10 0 0

5 Butte 7.5 lb 1 lsr 89 100 100 100 100 P 84 100 100 100 100 P 5 0 0 6 0 0

6 Butte 9 lb 1 lsr 90 100 100 100 100 P 84 100 100 100 100 P 11 0 5 12 0 0

Butte 7.5 lb 1 lsr

SuperWham! + Grandstand + COC 6 qt + 8 oz + 2.5% 1 tiller

Butte 7.5 lb 1 lsr

Regiment + NIS + UAN 0.67 oz + 0.25% + 2% 1 tiller

Butte 7.5 lb 1 lsr

Clincher + COC 13 oz + 2.5% 1 tiller

Butte 7.5 lb 1 lsr

Granite SC + COC 2.8 oz + 2.5% 1 tiller

Cerano 12 lb DOS

Butte 7.5 lb 1 lsr

Cerano 12 lb DOS

Butte 7.5 lb DOS9 9 0

10 97 100

100 100 100

0 3

12 96 100 100 100 100

100 100 100 A 18 0

0A 16 0

11 96 100 100 100 100 A 93 100

100 100 100

A 96 100

91 100 100

100

A 96 100 100

100 100

0

100

5 20

5 0 0P 6 0100 100

0A 8 0 0 2 0100

9 93 100 100 100 100 P 88 100

3 9 0 0

8 98 100 100 100 100

100 100 100 A 10 0

0A 8 0 3 4 0A

7 96 100 100 100 100 A 95 100

40 DAS 60 DAS 40 DAS 60 DAS

2 89 100 100 100 100 0P 19 0 16 9 0P 86 100 100 100 100

1- Evaluation of A New Rice Herbicide (Butte) [Continuous Flood]

1


(Product amount)

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

1 Butte 7.5 1 lsr 91 100 100 100 100 - 95 100 100 100 100 60 6 0 4 0 0 0

Butte 7.5 lb 1 lsr

Granite SC + COC 2 oz + 2.5% 3 lsr

Butte 7.5 lb 1 lsr

Granite SC + COC 2.4 oz + 2.5% 3 lsr

Butte 7.5 lb 1 lsr


Butte 7.5 lb 1 lsr

Granite SC + COC 2 oz + 2.5% 5 lsr

Butte 7.5 lb 1 lsr


Butte 7.5 lb 1 lsr


Butte 7.5 lb 1 lsr

Granite SC + COC 2 oz + 2.5% 1 tiller

Butte 7.5 lb 1 lsr

Granite SC + COC 2.4 oz + 2.5% 1 tiller

Butte 7.5 lb 1 lsr

Granite SC + COC 2.8 oz + 2.5% 1 tiller0 0 0

40 DAS 60 DAS

100 96 4 0 5

40 0 0 0

0 0 0

0

5 0 0 0

4

- 100 100 100 10099 100 100 100 100

100 100 100 100 -100 100 100 100 100 100 93 3

0

98 100 100 100 100 - 96 100 100 100 100 93 5 0 5

7 0 9 0100 100 100 100 100 - 100 100 100

100 94 5 0

100 100 100 100 100

100 100 100 100 - 100 100 100 100

0 0 0

00012

0 0

0 0 0

100 100 100 100 100 - 99 100 100 100 100 99

99

100 99 6

99 8 0 10 0

60 DAS40 DAS

2

3

99 100 100 100 100 - 99 100 100 100

100 100 100 100 - 100 100 100 100 100

8

9

10

4

5

6

7

0 10

- 99 100 100 100 100 96 6 0

100 100 99

09

100



22-May Seeding - - - - - - - - -


3-Jun 3 lsr 2-3 lsr - 3 leaf 3-4 leaf 3-4 leaf - - 84 5 WN

13-Jun 5 lsr 4-6 leaf - 4-5 leaf 5-6 leaf >5 leaf 2-3 leaf - 72 7 SS

20-Jun 1 tiller 1-2 tiller 1-2 tiller 2-3 tiller 2-3 tiller flowering 5-7 leaf - 78 4 W

WEED SIZE WEATHER

2-Evaluation of Butte Followed by Different Rates and Timings of Granite SC [Continuous Flood]

2


(product amount)

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

1 Untreated - - 29 10 20 26 40 >2 31 12 18 25 10 >2 0 0 0 0 0 0

2 Cerano 12 lb DOS 90 100 0 0 90 - 91 100 0 0 98 - 25 0 27 67 0 0

Cerano 12 lb DOS

SuperWham! + COC 6 qt + 1.25% 1-2 tiller

Cerano 12 lb DOS

Abolish + Regiment + NIS + UAN 1.5 qt + 0.67 oz + 0.25% + 2.0% 5 lsr

Cerano 12 lb DOS

Shark H2O 8 oz 1 lsr


Cerano 9 lb DOS

Shark H2O 8 oz 1 lsr


Cerano 12 lb DOS

Butte 7.5 lb 1 lsr

8 Granite GR 15 lb 3 lsr 98 30 100 100 100 - 99 28 100 98 100 - 4 0 3 4 0 0

Granite GR 15 lb 3 lsr





RiceEdge + COC 10 lb + 1.25% 1-2 tiller


Abolish + Regiment + NIS + UAN 1.5 qt + 0.67 oz + 0.25% + 2.0% 1-2 tiller

13 League MVP 35 lb 2 lsr 97 100 100 99 100 - 96 100 100 100 100 - 1 0 10 4 0 0

League MVP 35 lb 2 lsr


Bolero 23 lb 2 lsr


0

- 6

10 0

3

4

5

100 - 9

98 100 88

6

97 - 18

100 - 100 100 92 88

97 100 100 94 -

0-

38 0 0

98 100100 94

70 98 - 22 0 27

0 3 13 0 0100 94 87

0

0 2096 92100 87 95

1 5

- 97 100 100 100 100

25 14

14

10

100 100 100

0 0100 100 98 - 4 0

14 98

15 93 100 100 100 98 - 90 100

100 100 100 100 0- 4 0 7 3 0

0 0- 9 0

0- 9 0 10 7 012 98 70 100 100 100

100 100 100

- 99 73 100 100 100

0

11 98 35 100 100 100 - 100 39

- 8 0 5 7 0- 98 35 100 97 95

10 7

10 98 35 100 100 99

100 100 1009 98 38 100 100 100 - 98 35

0 0100 100 100 - 23 0

8 5 0 0- 9 0


7 98 100 100 100 100 - 99 100

0

87 100 89 84 95 - 100 100 88

76

3- Evaluation of Herbicide Programs for Water-Seeded Rice [Continuous Flood] page 1 of 2

3continued ......


(product amount)

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

Bolero 23 lb 2 lsr

Regiment + NIS + UAN 0.67 oz + 0.25% + 2.0% 5 lsr

Bolero 23 lb 2 lsr

Regiment + NIS + UAN 0.67 oz + 0.25% + 2.0% 5 lsr


18 Abolish + Regiment + NIS + UAN 1.5 qt+ 0.67 oz + 0.25% + 2.0% 5 lsr 93 75 97 89 91 - 95 90 95 82 94 - 20 0 20 19 0 0



20 Untreated - - 27 8 20 25 40 >1 30 10 20 25 12 >2 0 0 0 0 0 0


99 - 7 0

0- 5 0 5 4 0

5 3 0 017 99 100 100 100

- 94 100 100

97 - 98 100 100 100

5 7 0 0100 98 94 - 9 019 95 77 100 96 95 - 99 93

16 96 100 100 100 99 100 100



22-May Seeding - - - - - - - - -

22-May DOS - - - - - - 62 65 -


31-May 2 lsr 2 leaf - 1-2 leaf 2 leaf 2-3 leaf - 76 81 -

3-Jun 3 lsr 2-3 lsr - 3 leaf 3-4 leaf 3-4 leaf - 85 86 -

13-Jun 5 lsr 4-6 leaf - 4-5 leaf 5-6 leaf >5 leaf 2-3 leaf - 74 7 SS

21-Jun 1-2 tiller 2 tiller 1-2 tiller tillering tillering flowering 6-7 leaf - 72 3 ES

WEED SIZE WEATHER

3- Evaluation of Herbicide Programs for Water-Seeded Rice [Continuous Flood] page 2 of 2

4

continued ......


(Product amount)

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

1 Untreated - - 25 8 5 20 35 >1 28 10 5 19 15 >1 0 0 0 0 0 0

2 Clincher + COC 13 oz + 2.5% 4-5 lsr 83 99 0 0 0 - 96 100 0 0 0 - 0 0 0 0 0 0

3 Clincher + SuperWham! + COC 13 oz + 6 qt + 2.5% 4-5 lsr 90 99 99 93 99 - 96 99 100 95 99 - 0 0 0 0 0 1

4 Clincher + Granite SC + COC 13 oz + 2.3 oz + 2.5% 4-5 lsr 95 100 100 92 100 - 100 100 100 71 100 - 0 0 5 0 0 4

5 Clincher + COC 15 oz + 2.5% 1 tiller 66 99 0 68 84 - 68 87 100 58 99 - 0 0 0 0 0 5

6 Clincher + SuperWham! + COC 15 oz + 6 qt + 2.5% 1 tiller 93 100 99 100 99 - 70 88 78 98 99 - 0 0 0 0 0 5

7 Clincher + Granite SC + COC 15 oz + 2.3 oz + 2.5% 1 tiller 83 100 98 98 100 - 88 96 100 76 100 - 0 0 6 0 0 4

Granite SC + COC 2.3 oz + 2.5% 4-5 lsr

Clincher + COC 15 oz + 2.5% 1 tiller

Granite SC + COC 2.3 oz + 2.5% 4-5 lsr

Abolish + Regiment + NIS + UAN 1.5 qt + 0.67 oz + 0.25% + 2% 1 tiller

Clincher + Granite SC + COC 13 oz + 2.3 oz + 2.5% 4-5 lsr

SuperWham! + Grandstand + COC 6 qt + 8 oz + 2.5% 1 tiller


100100 - 100 100 100 77 40 0 3 08 93 100 100 93

9 89 90 100 100

0

100

100 87 100 -

100

3 0 0100 - 68 73

-

10 98 100 100 99

30 0

- 100 100 100 100 3- 0 0 4 0 0



22-May Seeding - - - - - - - - -

10-Jun 4-5 lsr 4-5 leaf - 4 leaf 4-6 leaf >5 leaf - - 77 2 S

21-Jun 1 tiller 1-2 tiller 1-2 tiller 2-3 tiller 2-3 tiller flowering 5-7 leaf - 79 5 WS

WEED SIZE WEATHER

4- Evaluation of Herbicide Programs Pinpoint Flood Rice System [Pinpoint Flood]

5


(Product amount)

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Duc

ksal

ad

Red

stem

Late

wat

ergr

ass

Spra

ngle

top

Ric

efiel

d bu

lrus

h

Sam

llflow

er u

mbr

ella

sed

ge

Mon

ocho

ria

Red

stem

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

Stan

d re

duct

ion

Ble

achi

ng

Stun

ting

1 Untreated - - 23 10 5 18 32 >1 25 8 4 15 14 >1 0 0 0 0 0 0

SuperWham! + COC 6 qt + 1% 5 lsr

SuperWham! + COC 6 qt + 1% mid tiller

SuperWham! + ProTron 6 qt + 0.25% 5 lsr

SuperWham! + ProTron 6 qt + 0.25% mid tiller

SuperWham! + OR 108G 6 qt + 0.25% 5 lsr

SuperWham! + OR 108G 6 qt + 0.25% mid tiller

SuperWham! + OR 009 6 qt + 0.25% 5 lsr

SuperWham! + OR 009 6 qt + 0.25% mid tiller

Stam 80 EDF + COC 5 lb + 1% 5 lsr

Stam 80 EDF + COC 5 lb + 1% mid tiller

Stam 80 EDF + ProTron 5 lb + 0.25% 5 lsr

Stam 80 EDF + ProTron 5 lb + 0.25% mid tiller

Stam 80 EDF + OR 108G 5 lb + 0.25% 5 lsr

Stam 80 EDF + OR 108G 5 lb + 0.25% mid tiller

Stam 80 EDF + OR 009 5 lb + 0.25% 5 lsr

Stam 80 EDF + OR 009 5 lb + 0.25% mid tiller









8 83 0 100 100 92 83 0 100 100 99


0100 100 99 - 0 0

0

9 88 0 100 100 91 - 87 0

- 0 0 0 0 0-

88 0 100 100 93 - 89 0 100

- 85

100 99 - 0 0 0

0- 0 0 0 0 0- 88 0 100 100 99

0 0 0

0 0 0 0 0

83 0 100 100 93

0 100 98 96 - 0

0 0 0

81 0 100 97 90

0

85 0 100 100 92 85 0 100

- 0 0 0 0 0- 90 0 100 100 98

91 0 100 100 93 - 88

100 99

0 100 100 99 - 0

0 0 0- 0 0 0

0 0 0 0 0

00000867 87-911001000 0-991001000

0 0

12 91 100 100 93 90

99 - 0 0 0 091 - 81 0 100 100

0

13 89 0 100 100

0 100 100 99 - 0

90

2

3

4

5

6

0 099 - 0 0 0 093 - 88 0 100 100

0 0 0 0

11 86 0 100 100

10 86 0 100 100



22-May Seeding - - - - - - - - -

12-Jun 4-5 lsr 4-5 leaf - 4-5 leaf 4-6 leaf >5 leaf - - 78 4 S

30-Jun mid tiller 3-4 tiller 3-4 tiller 3-4 tiller 4-6 tiller flowering - - 84 2 S

WEED SIZE WEATHER

5- Efficacy of Propanil with New Adjuvants on Rice Weed Control [Pinpoint Flood]

6

101-

1

102-

2

103-

3

104-

4

109-

1

110-

2

111-

3

112-

5

117-

4

118-

1

119-

2

120-

3

105-

5

106-

6

107-

7

108-

8

113-

6

114-

4

115-

7

116-

8

121-

5

122-

6

123-

7

124-

8

201-

2

202-

5

203-

7

204-

1

209-

5

210-

1

211-

6

212-

8

217-

2

218-

5

219-

4

220-

6

205-

4

206-

8

207-

6

208-

3

213-

3

214-

7

215-

2

216-

4

221-

3

222-

1

223-

8

224-

7

301-

5

302-

7

303-

4

304-

2

309-

3

310-

4

311-

6

312-

2

317-

2

318-

5

319-

7

320-

6

305-

8

306-

1

307-

3

308-

6

313-

8

314-

7

315-

5

316-

1

321-

4

322-

8

323-

1

324-

3

401-

3

402-

4

403-

8

404-

6

409-

8

410-

4

411-

5

412-

1

417-

7

418-

3

419-

8

420-

2

405-

5

406-

7

407-

2

408-

1

413-

6

414-

3

415-

7

416-

2

421-

1

422-

4

423-

6

424-

5

2.0” 0.5” 1.5”

1.5” 2.0” 0.5”

0.5” 1.5” 2.0”

1.5” 2.0” 0.5”

Planting depth

Rep

licat

ion

1R

eplic

atio

n 2

Rep

licat

ion

3R

eplic

atio

n 4


(Product amount)

1 Glyphosate + AMS 32 oz + 2% FLS

Glyphosate + AMS 32 oz + 2% FLS

Prowl 2 pt 3-4 lsr


Prowl + Halomax 2 pt + 1.33 oz 3-4 lsr

4 Untreated - -


Prowl + Clincher + COC 2 pt + 13 oz + 2.5% 3-4 lsr


Prowl + Clincher + Granite SC + COC 2 pt + 13 oz + 2.3 oz + 2.5% 3-4 lsr


Prowl + SuperWham! + COC 2 pt + 6 qt + 1.25% 3-4 lsr


Prowl + SuperWham! + COC 2 pt + 6 qt + 1.25% 4-5 lsr

2

3

6

5

7

8

6- Making Use of Glyphosate in Drill-Seeded Rice System by Deeper Planting

FLS = First leaf at the surface

Depth of planting

0.5”1.5”2.0”

x


Grasses* Sprangletop Ricefield bullrush Smallflower umbrellasedge Ducksalad Redstem Water Temp Air Temp Wind

22-May Flushing - - - - - - - - -

30-May FLS 1-2 leaf - - 1-2 leaf - - - 81 3 W

12-Jun 3-4 lsr 2-4 leaf - - 0.5-1" - - - 85 2.5 NW

19-Jun 4-5 lsr 4-5 leaf - - 3-4 leaf - - - 81 1.5 W



23-May Seeding - - - - - - - - -

2-Jun FLS 2-3 lsr - - 2-3 leaf - - - 91 1.2 NW

19-Jun 3-4 lsr 4-5 leaf - - 0.5-1" - - - 81 1.5 W

27-Jun 4-5 lsr 3-5 leaf - - 2-3" - - - 87 3 W



22-May Seeding - - - - - - - - -

3-Jun FLS 2-3 lsr - - 2-3 leaf - - - 85 3 W

27-Jun 3-4 lsr 3-5 lsr - - 2-3" - - - 87 3 W

WEED SIZE WEATHER

WEED SIZE WEATHER

WEED SIZE WEATHER

0.5”

1.5”

2.0”

7

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