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MB Alternatives – Almost DONE!!!. Culpepper and Sumner University of Georgia Tifton Campus. Viable MB Fumigant Alternatives. MIDAS 3-WAY Paladin. Herbicides. MIDAS. Application procedure similar to MB MIDAS is a 50:50 or 98:2 mix with Pic Use rate similar to MB

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Mb alternatives almost done

MB Alternatives – Almost DONE!!!

Culpepper and Sumner

University of Georgia

Tifton Campus


Viable mb fumigant alternatives

Viable MB Fumigant Alternatives

  • MIDAS

  • 3-WAY

  • Paladin

Herbicides


Midas

MIDAS

  • Application procedure similar to MB

  • MIDAS is a 50:50 or 98:2 mix with Pic

  • Use rate similar to MB

  • Reduce use rate 40% under VIF mulches.

Effective product but limited adoption because of economics.


Telone pic vapam

Telone/Pic/Vapam

  • Spring applications = 16 of 17 experiments over 4 years with greater than 93% nutsedge control

Ideal Placement

Vapam = 4 inches

Chloropicrin = 8 inches

Telone = 12 inches


20 feet

136

25

feet

950

16 WAP

24 WAP

1550

1550

3440

Purple Nutsedge

Black LDPE Mulch

32 WAP

60 WAP



Telone II fb Pic fb Vapam

LDPE mulch

Telone II fb Pic

LDPE mulch

Telone II fb Vapam

LDPE mulch

V4-05, 60 DAT


Percent purple nutsedge control by Pic Chlor 60 @ 21G as impacted by mulch. Ponder, Spring 2007-2008.

82 a

55 b

38 d

LDPE

1.25 mil

LDPE

1.75 mil

Blockade

1.25 mil


Percent Purple Nutsedge Control by MB and 3-WAY at Pepper Harvest. Ponder, Spring 2008.

99

99

87

70

MB

3-WAY

Plots were 1 bed by 50 feet. Spring soil temp 60 F; Fall soil temp 93.


Paladin dmds pic

Paladin (DMDS + Pic) Harvest. Ponder, Spring 2008.

  • Labeled …8 months from Nov 2009…..April or May I HOPE.

  • 79:21 mixture with chloropicrin

  • Same application procedures as MB

  • Excellent nutsedge control; needs help on annual grasses, pigweed, and likely other small seeded annual broadleaf weeds.


Percent yellow nutsedge control at harvest as impacted by Paladin rate. TyTy, GA 2008.*

100 a

99 a

98 a

98 a

60 G

50 G

40 G

30 G

Paladin Rate

Blockade mulch


Percent Purple Nutsedge Control by Paladin at Pepper Harvest. Ponder, Spring 2008.

99

99

99

98

93

85

DMDS 40 G

DMDS 50 G

DMDS 60 G

Plots were 1 bed by 50 feet. Spring soil temp 60 F; Fall soil temp 93. Blockade mulch.


Percent large crabgrass control at harvest as impacted by Paladin rate. TyTy, GA 2008.*

75 a

66 b

49 c

33 d

60 G

50 G

40 G

30 G

Paladin Rate


Bell Pepper Paladin rate. TyTy, GA 2008.*

(Plasticulture and Bareground)

Split application

PRE:

6-8 oz Dual Mag

2 to 3 lb Devrinol

Command

POST 1:

8-10 oz Dual Mag

POST 2:

Select Max as needed


Paladin dmds pic1

Paladin (DMDS + Pic) Paladin rate. TyTy, GA 2008.*

  • Labeled ????

  • 79:21 mixture with chloropicrin

  • Same application procedures as MB

  • Excellent nutsedge control; needs help on annual grasses, pigweed, and likely other small seeded annual broadleaf weeds.

  • Must use high barrier mulch


Must use mulch listed on paladin label
Must Use Mulch Listed on Paladin Label Paladin rate. TyTy, GA 2008.*


Paladin 50 G, Blockade Paladin rate. TyTy, GA 2008.*

DMDS 70 G, LDPE


Paladin dmds pic2

Paladin (DMDS + Pic) Paladin rate. TyTy, GA 2008.*

  • Labeled ????

  • 79:21 mixture with chloropicrin.

  • Same application procedures as MB.

  • Excellent nutsedge control; needs help on annual grasses, pigweed, and likely other small seeded annual broadleaf weeds.

  • Must use high barrier mulch.

  • Smell is a serious issue and must be addressed.


Mitigating smell issues

Mitigating Smell Issues Paladin rate. TyTy, GA 2008.*

1. Correct Mulch – Mulch options will be listed on label

2. Moisture must be ideal


Water Content Paladin rate. TyTy, GA 2008.*

(%/dry weight of soil)

6

7

9

10

Start Time = 9:00 AM

LDPE White Mulch


Mitigating smell issues1

Mitigating Smell Issues Paladin rate. TyTy, GA 2008.*

  • 1. Correct Mulch – Mulch options will be listed on label

  • Moisture must be ideal

  • Compaction



LDPE 27.5” was either 27.5 or 28 inches

LDPE 28”

15 % reduction due to increased bed compaction


Paladin dmds pic3

Paladin (DMDS + Pic) was either 27.5 or 28 inches

  • Odor is number 1 concern

  • Plant back:

  • Spring up to at least 30 days in some envir

  • Fall likely around 21 days

  • 3. Cost is unknown?????????????


Future of mb alternative efforts

Future of MB Alternative Efforts was either 27.5 or 28 inches

  • Get Paladin out with 4 or 5 growers in secluded areas this fall (15-25 acres) to determine if this is a viable alternative assuming product is economical.


Future of mb alternative efforts1

Future of MB Alternative Efforts was either 27.5 or 28 inches

  • Get Paladin out with 4 or 5 growers in secluded areas this fall (15 acres or so) to determine if this is a viable alternative (assuming product is economical.

  • 2. Summer of 2010 will be last submission of methyl bromide CUE request (if Paladin use is sustainable and economical).


Future of mb alternative efforts2

Future of MB Alternative Efforts was either 27.5 or 28 inches

  • Get Paladin out with 4 or 5 growers in secluded areas this fall (15 acres or so) to determine if this is a viable alternative (assuming product is economical.

  • 2. Summer of 2010 will be last submission of methyl bromide CUE request (if Paladin use is sustainable and economical).

  • 3. One year from today discuss results from Paladin efforts and one additional fumigant system in development.


Herbicide Coated Mulch was either 27.5 or 28 inches

No Fumigant, No Herbicide

BIG Film

No Fumigant, No Herbicide,

Blockade Film


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