BECKY B. WESTERDAHL

EXTENSION

NEMATOLOGIST /

PROFESSOR OF

NEMATOLOGY,

UC DAVIS

MBAO

ORLANDO, FL

NOVEMBER 7, 2012

www: nematology.ucdavis.edu

MCW-2 (FLUENSULFONE) FOR

MANAGEMENT OF ROOT-KNOT NEMATODE

ON ANNUAL CROPS IN CALIFORNIA

WHAT NEMATICIDES ARE AVAILABLE IN CALIFORNIA? No longer available or in danger of going away soon Non-fumigants

YEAR TYPE CARBON DISULFIDE (CS2) 1869 FUMIGANT *CHLOROPICRIN 1936 FUMIGANT METHYL BROMIDE 1940'S FUMIGANT EDB (ETHYLENE DIBROMIDE) " FUMIGANT DD (1,3-D+1,2-D) (1,2-DICHLOROPROPANE) " FUMIGANT DBCP (DIBROMOCHLOROPROPANE) " FUMIGANT *TELONE II (1,3-D) (1,3-DICHLOROPROPENE) " FUMIGANT FORMALDEHYDE " FUMIGANT *MIT>>METAM-SODIUM 1950'S FUMIGANT *BASAMID FUMIGANT NEMACUR (FENAMIPHOS) LATE OP *FURADAN (CARBOFURAN) 50'S & CARB *MOCAP (ETHOPROP) 1960'S OP DASANIT " OP *TEMIK (ALDICARB) " CARB *VYDATE (OXAMYL) 1970'S CARB (SYSTEMIC) *ENZONE (GY-81) SODIUM 1990'S FUMIGANT TETRATHIOCARBONATE>>CS2

*DITERA (MYROTHECIUM VERRUCARIA TOXIN) " NATURAL

*TELONE EC, INLINE " FUMIGANT

*ADMIRE PRO (IMIDACLOPRID) 2000’S NEONICITYNOID

*NEMA-Q (QUILLAJA, SOAPBARK TREE) “ NATURAL

*ABAMECTIN SEED TREATMENTS “ NATURAL

MIDAS (IODOMETHANE) “ FUMIGANT

*MELOCON (PAECILOMYCES LILACINUS) “ NATURAL

*MOVENTO

OP=ORGANOPHOSPHATE, CARB=CARBAMATE *Currently available for use on some crops in California

EXPERIMENTAL DESIGN:

UC SOUTHCOAST RESEARCH AND EXTENSION CENTER

FIELD WITH A 60 YEAR HISTORY OF ROOT-KNOT

NEMATODE INFESTATION

2010 - 5 RATE TRIALS (NEMATICIDES)

2011 - 2 COMBINATION TRIALS (NEMATICIDES,

FUNGICIDES, HERBICIDES)

5 REPLICATES - RCB

EACH REP - 1 ROW WIDE

20 FEET LONG (6 METERS)

2010 APPLICATION INFORMATION:

CARROT, TOMATO, CUCUMBER. CANTALOUPE,

SQUASH (8 TREATMENTS / TRIAL)

14 DAYS PREPLANT - TELONE II INJECTED (9 GPA, 44.9

L/HA)

7 DAYS PREPLANT - MCW-2 (2,3,4,8 KG/HA) AND METAM

(224.4 L/HA) SPRAYED ON SOIL SURFACE,

FOLLOWED BY TILLING,

FOLLOWED BY SPRINKLER IRRIGATION

AT PLANTING - VYDATE (OXAMYL, 1.12 KG/HA)

SPRAYED ON SOIL SURFACE,

FOLLOWED BY SPRINKLER IRRIGATION

0 10 20 30 40 50 60

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone II

Metam

Vydate

Untreated2010 CARROT TRIAL -

PERCENT MARKETABLE CARROTS (WEIGHT)

0 500 1,000 1,500 2,000 2,500

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone II

Metam

Vydate

Untreated

2010 CARROT TRIAL -ROOT-KNOT NEMATODE /

LITER OF SOIL AT HARVEST

0.05

0.05

0.05

0.05

0.05

0.05

0.05

2010 CARROT TRIAL

NUMBER AND WEIGHT

OF CARROTS: TOTAL,

MARKETABLE,

PERCENT MARKETABLE;

JUVENILES IN SOIL AT

HARVEST

0 1 2 3 4 5 6 7 8

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone II

Metam

Vydate

Untreated

2010 TOMATO TRIAL - TOTAL WEIGHT

OF FRUIT AND FOLIAGE

(KG)

0 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 4,500

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone II

Metam

Vydate

Untreated

2010TOMATO TRIAL -

ROOT-KNOT NEMATODE /

LITER OF SOILAT HARVEST

0.05

0.05

0.05

0.05

0.05

0.05

2010 TOMATO TRIAL

HEALTH

Y GALLED

TOMATO ROOTS

WEIGHT - TOTAL,

RED FRUIT,

GREEN FRUIT,

PLANT;

ROOT GALL

RATING (0-10),

JUVENILES

0 1 2 3 4 5 6 7

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone II

Metam

Vydate

Untreated

2010 CUCUMBER TRIAL -TOTAL WEIGHT OF FRUIT (KG)

0 200 400 600 800 1,000 1,200

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone II

Metam

Vydate

Untreated

2010 CUCUMBER TRIAL -ROOT-KNOT NEMATODE /

PER LITER OF SOIL AT HARVEST

0.05

0.05

0.05

0.05

0.05

0.05

0.05

0.05

2010 CUCUMBER TRIAL

TOTAL WEIGHT,

TOTAL NUMBER,

AVERAGE SIZE;

ROOT GALL

RATING (0-10),

JUVENILES

0 500 1,000 1,500 2,000 2,500 3,000 3,500

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone II

Metam

Vydate

Untreated

2010 CANTALOUPE TRIAL - ROOT-KNOT NEMATODE / LITER OF SOIL

AT HARVEST

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone II

Metam

Vydate

Untreated

2010 CANTALOUPE TRIAL -TOTAL WEIGHT OF FRUIT (KG)

0.05

0.05

0.05

0.05

0.05

0.05

0.05

0.05

0.05

0.05

2010 CANTALOUPE

TOTAL WEIGHT,

TOTAL NUMBER,

AVERAGE SIZE,

9, 12, 15, 18, 23

PER BOX;

ROOT GALL,

JUVENILES

0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone 9 gpa

Metam

Vydate

Untreated

2010 SQUASH TRIAL - ROOT-KNOT NEMATODE /

PER LITER OF SOIL

0 1 2 3 4 5 6

2 kg MCW-2

3 kg MCW-2

4 kg MCW-2

8 kg MCW-2

Telone 9 gpa

Metam

Vydate

Untreated

2010 SQUASH TRIAL - FIRST HARVEST -

NUMBER OF FRUIT

2010 SQUASH TRIAL

0.05

0.05

0.05

0.05

TOTAL WEIGHT,

TOTAL NUMBER,

AVERAGE SIZE;

ROOT GALL

RATING (0-10),

JUVENILES

2011 APPLICATION INFORMATION:

TOMATOES (10 TREATMENTS),

CUCUMBER (12 TREATMENTS)

28 DAYS PREPLANT - TELONE II INJECTION

14 DAYS PREPLANT (TARPED) - MBrCP APPLIED BY

TRICAL IN DRIP TUBING

CHLOROPICRIN APPLIED VIA DRIP IRRIGATION

7 DAYS PREPLANT - MCW-2 AND KPAM

AT PLANTING - VYDATE, QUADRIS, RIDOMIL, PARALLEL

21 DAYS AFTER PLANTING - MOVENTO, SANDEA,

SELECT, METRIBUZIN

Rate/haCP Chloropicrin 168 kgKpam KPam 224.5 lMBrCP MBrCP 392 kgMCW-2 MCW-2 2 & 4 kgMetr Metribuzin 0.56 kgMovento Movento 0.15 lParall Parallel 0.47 lQuad Quadris 0.45 lRid Ridomil 0.47 lSand Sandea 0.07 kgSelec Select 0.23 lTelone Telone II 44.9 lVyd Vydate 1.12 kg

Used in GraphsKey to Abbreviations

WEED EVALUATIONS AT 7 WEEKS:

CHERYL WILEN

UC STATEWIDE IPM PROGRAM

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

Untreated control.

Rid + Quad + Sand + Metr + Parall

MBrCP

CP + Kpam + Telone

CP + Kpam + MCW-2 2kg

CP + Kpam + MCW-2 4kg

MCW-2 4kg + Quad + Rid

MCW-2 4kg + Vyd + Quad

Hand weeded control

TeloneTOMATO

HARVEST - WEIGHT OF RED FRUIT

5 WEEKS - WEIGHT OF PLANT, SHOOT, ROOT;

GALL RATING

HARVEST - WEIGHT OF PLANT + FRUIT, RED FRUIT,

GREEN FRUIT, PLANT

ROOT GALL RATING (0-10), JUVENILES AT HARVEST

2011 TOMATO TRIAL

0.05

0.05

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0

Untreated control.

Rid + Quad + Sand + Metr + Parall

MBrCP

CP + Kpam + Telone

CP + Kpam + MCW-2 2kg

CP + Kpam + MCW-2 4kg

MCW-2 4kg + Quad + Rid

MCW-2 4kg + Vyd + Quad

Hand weeded control

Telone

TOMATO HARVEST - ROOT GALL

RATING (0-10)

0.05

0.05

0.05

0.05

0.05

2011 TOMATO TRIAL

0 10 20 30 40 50 60 70 80 90

Untreated control.

Rid + Quad + Sand + Metr + Parall

MBrCP

CP + Kpam + Telone

CP + Kpam + MCW-2 2kg

CP + Kpam + MCW-2 4kg

MCW-2 4kg + Quad + Rid

MCW-2 4kg + Vyd + Quad

Hand weeded control

Telone

WEEDS - PERCENT CONTROL

TOMATO TRIAL

0.05

0.05

2011 TOMATO TRIAL

WEED EVALUATIONS:

PERCENT - COVER, GRASSES, BROADLEAVES, CONTROL;

FOXTAIL, NIGHTSHADE, YELLOW NUTSEDGE,

SPRANGLETOP, PIGWEED, PURSLANE

0.05

0.05

0.05

0.05

0.05

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80

Untreated control.

Rid + Quad + Sandea + Select

MBrCP

CP + Kpam + Telone

CP + Kpam + MCW-2 2kg

CP + Kpam + MCW-2 4kg

MCW-2 4kg + Quad + Rid

MCW-2 4kg + Vyd + Quad + Rid

MCW-2 4kg + Rid + Quad + Sand + Selec

Hand weeded control

MCW-2 4kg + Movento

Telone

AVERAGE YIELD WEIGHT

CUCUMBER TRIAL

2011 CUCUMBER TRIAL

5 WEEKS - WEIGHT OF PLANT, SHOOT, ROOT;

GALL RATING

HARVEST - TOTAL WEIGHT, TOTAL NUMBER,

AVERAGE SIZE

ROOT GALL RATING (0-10), JUVENILES AT HARVEST

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5

Untreated control.

Rid + Quad + Sandea + Select

MBrCP

CP + Kpam + Telone

CP + Kpam + MCW-2 2kg

CP + Kpam + MCW-2 4kg

MCW-2 4kg + Quad + Rid

MCW-2 4kg + Vyd + Quad + Rid

MCW-2 4kg + Rid + Quad + Sand + Selec

Hand weeded control

MCW-2 4kg + Movento

Telone 5 WEEKS AFTER PLANTING -ROOT GALL RATING (0-10)

CUCUMBER TRIAL

2011 CUCUMBER TRIAL

0.05 0.05

0.05

0.05

0.05 0.05

0.05

0.05

0.05

0 10 20 30 40 50 60 70 80

Untreated control.

Rid + Quad + Sandea + Select

MBrCP

CP + Kpam + Telone

CP + Kpam + MCW-2 2kg

CP + Kpam + MCW-2 4kg

MCW-2 4kg + Quad + Rid

MCW-2 4kg + Vyd + Quad + Rid

MCW-2 4kg + Rid + Quad + Sand + Selec

Hand weeded control

MCW-2 4kg + Movento

Telone

WEEDS - PERCENT CONTROL

CUCUMBER TRIAL

2011 CUCUMBER TRIAL

WEED EVALUATIONS:

PERCENT - COVER, GRASSES, BROADLEAVES, CONTROL;

FOXTAIL, NIGHTSHADE, YELLOW NUTSEDGE, SPRANGLE,

GOOSEFOOT, LAMBSQUARTERS, PURSLANE

0.05

0.05 0.05

0.05

0.05