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PH-D® (FUNGICIDE)

Polyoxin-D zinc salt POLYOXIN D ZINC SALT

PH-D® FUNGICIDE CONTROLS DISEASE IN ALMONDS, CITRUS, GRAPES, LETTUCE AND MORE

PH-D® is a biological fungicide. But you’d never know it by looking at the trial data. It performs like a conventional fungicide against diseases in a wide variety of crops. In almonds, PH-D is effective against Alternaria and scab early in the season. In grapes, it’s effective against Botrytis bunch rot, summer rot and powdery mildew. As the only FRAC 19 fungicide, PH-D is also a very smart addition to any resistance management program. The biological that exceeds all expectations.

For a full list of crops and application directions, refer to the product label.

Always read and follow label directions.

Additional Product Details

All Crops
  • Abiu
  • Abyssinian cabbage
  • African nut tree
  • Agave
  • Aisen
  • Akee apple
  • Almond
  • Aloe vera
  • American persimmon
  • Amur river grape
  • Apple
  • Apricot
  • Aronia berry
  • Arracacha
  • Arrowroot
  • Arugula
  • Asian pear
  • Asparagus
  • Atemoya
  • Avocado
  • Azarole
  • Bacury
  • Bael fruit
  • Balsam apple
  • Balsam pear
  • Bamboo shoots
  • Banana
  • Bayberry
  • Bearberry
  • Beechnut
  • Beet root (Garden beet)
  • Bell pepper
  • Bibb lettuce
  • Bilberry
  • Binjai
  • Biriba
  • Bitter lettuce
  • Bitter melon
  • Black cherry
  • Black currant
  • Black sapote
  • Black walnut
  • Blackberry
  • Blackjack
  • Boysenberry
  • Brazil nut
  • Brazilian pine
  • Breadfruit
  • Broccoli raab (Rapini)
  • Buckhorn plantain
  • Buffalo currant
  • Buffaloberry
  • Bunya
  • Bur oak
  • Burmese grape
  • Butterhead lettuce
  • Butternut
  • Cajou
  • Calamondin
  • Candlenut
  • Canistel
  • Cantaloupe
  • Capulin
  • Carrot
  • Casaba
  • Cashew
  • Cassava
  • Cat's whiskers
  • Cat's-eyes
  • Celeriac (Celery root)
  • Celtuce
  • Cham-chwi
  • Cham-na-mul
  • Champedak
  • Chayote fruit
  • Chayote root
  • Che
  • Cherimoya
  • Chervil
  • Chestnut
  • Chicory
  • Chile pepper
  • Chilean guava
  • Chinese amaranth
  • Chinese artichoke
  • Chinese broccoli (Gai lon)
  • Chinese cabbage (Bok choy)
  • Chinese cucumber
  • Chinese jujube
  • Chinese jujube
  • Chinese quince
  • Chinese violet leaves
  • Chinese waxgourd (Chinese preserving melon)
  • Chinquapin
  • Chipilin
  • Chironja
  • Chokecherry
  • Chufa
  • Cilantro fresh leaves
  • Citron
  • Citron melon
  • Cloudberry
  • Cocona
  • Coconut
  • Collards
  • Common pawpaw
  • Coquito nut
  • Corn salad
  • Cosmos
  • Crabapple
  • Cranberry
  • Crenshaw melon
  • Cucumber
  • Cupuacu (Cupuacú)
  • Currant
  • Custard apple
  • Dandelion
  • Dang-gwi leaves
  • Dasheen (Taro)
  • Dewberry
  • Dika nut
  • Dillweed
  • Dock
  • Dol-nam-mul
  • Durian
  • Ebolo
  • Edible burdock
  • Edible Canna
  • Edible fern
  • Edible gourd
  • Edible honeysuckle
  • Eggplant
  • Elderberry
  • Elephant-apple
  • Endive
  • English primrose
  • English walnut
  • Escarole
  • Etambe
  • European barberry
  • Fameflower
  • Feather cockscomb
  • Filbert (Hazelnut)
  • Florence fennel
  • Fresh grape
  • Fresh market tomato
  • Fuzzy kiwifruit
  • Garden beet
  • Garden beet greens
  • Garden cress
  • Garden huckleberry
  • Garden purslane
  • Garland chrysanthemum
  • Gherkin
  • Ginger
  • Ginkgo
  • Ginseng
  • Goji berry
  • Good king henry
  • Gooseberry
  • Grapefruit
  • Green sapote
  • Groundcherry
  • Guiana chestnut
  • Hanover salad
  • Hardy kiwifruit
  • Hazelnut (see Filbert)
  • Head lettuce
  • Heartnut
  • Hickory nut
  • Highbush blueberry
  • Highbush cranberry
  • Honey balls
  • Honeydew melon
  • Hop
  • Horseradish
  • Huauzontle
  • Huckleberry
  • Ilama
  • Indian aster
  • Inga (Ingá)
  • Jackfruit
  • Japanese horse-chestnut
  • Japanese quince
  • Jatoba (Jatobá)
  • Jerusalem artichoke
  • Jostaberry
  • Juneberry (Saskatoon berry)
  • Jute leaves
  • Kale
  • Karuka
  • Kei apple
  • Kohlrabi
  • Kumquat
  • Langsat
  • Lanjut
  • Leaf lettuce
  • Leafy amaranth
  • Lemon
  • Leren
  • Lime
  • Lingonberry
  • Litchi (see Lychee)
  • Loganberry
  • Longan
  • Loquat
  • Lowbush blueberry
  • Lucuma (Lúcuma)
  • Lychee
  • Mabolo
  • Maca leaves
  • Macadamia nut
  • Madras-thorn
  • Malabar spinach
  • Mamey sapote
  • Mammy-apple
  • Mandarin orange
  • Manduro
  • Mango
  • Mango melon
  • Mangosteen
  • Marang
  • Marmaladebox
  • Martynia
  • Matisia
  • Mayhaw
  • Maypop
  • Medlar
  • Melon
  • Mesquite
  • Mizuna
  • Mongongo fruit
  • Mongongo nut
  • Monkey puzzle nut
  • Monkey-bread-tree
  • Monkey-pot
  • Mountain pepper berries
  • Mulberry
  • Muntries
  • Muskmelon
  • Mustard greens
  • Nanking cherry
  • Naranjilla
  • Native currant
  • Navel orange
  • Nectarine
  • New Zealand spinach
  • Nicobar-breadfruit
  • Non-bell pepper
  • Okari nut
  • Okra
  • Olallieberry
  • Orach
  • Oriental pear (see Asian pear)
  • Oriental radish (Daikon)
  • Oyster plant (see Salsify)
  • Pachira nut
  • Paho
  • Palm hearts
  • Pandanus
  • Papaya
  • Parsley
  • Parsnip
  • Partridgeberry
  • Pawpaw
  • Peach
  • Peach palm nut
  • Pear
  • Pecan
  • Pelipisan
  • Pepino
  • Pequi
  • Pequia (Pequiá)
  • Persian melon
  • Phalsa
  • Pili nut
  • Pimento (see Non-bell pepper)
  • Pin cherry
  • Pine nut
  • Pineapple
  • Pistachio
  • Plantain
  • Plum
  • Plumcot
  • Pomegranate
  • Poshte
  • Potato
  • Prickly pear
  • Prune (Prune plum)
  • Pulasan
  • Pummelo
  • Pumpkin
  • Quandong
  • Quince
  • Radicchio (Red chicory)
  • Radish
  • Radish leaves
  • Raisin grape
  • Rambutan
  • Rape greens
  • Rapini (see Broccoli raab)
  • Raspberry
  • Red currant
  • Riberry
  • Romaine lettuce
  • Roselle
  • Rutabaga
  • Salal
  • Salsify root
  • Salsify top
  • Sapodilla
  • Sapucaia nut
  • Sataw
  • Satinleaf
  • Satsuma mandarin
  • Schisandra berry
  • Screw-pine
  • Sea buckthorn
  • Sea kale
  • Seakale cabbage
  • Seeded tomato
  • Serviceberry
  • Shepherd's purse
  • Sierra Leone-tamarind
  • Skirret
  • Sloe
  • Small-flower pawpaw
  • Soncoya
  • Sour orange
  • Soursop
  • Spanish lime
  • Spinach
  • Star apple
  • Strawberry
  • Sugar apple
  • Sugar beet
  • Summer squash
  • Sun sapote
  • Sunberry
  • Sweet cherry
  • Sweet orange
  • Sweet potato
  • Swiss chard
  • Table beet (Garden beet)
  • Tamarind-of-the-Indies
  • Tangelo
  • Tangerine (Mandarin)
  • Tangor
  • Tanier (Cocoyam)
  • Tanier spinach
  • Tart cherry
  • Tejocote
  • Tomatillo
  • Transplanted tomato
  • Tropical almond
  • True yam
  • Turmeric
  • Turnip
  • Turnip greens
  • Turnip-rooted chervil
  • Turnip-rooted parsley
  • Upland cress
  • Valencia orange
  • Velvet tamarind
  • Wampi
  • Watercress
  • Watermelon
  • White sapote
  • White star apple
  • Wild loquat
  • Wild rocket
  • Wine grape
  • Winter purslane
  • Winter squash
  • Yam bean (Jicama, Manoic pea)
  • Yellowhorn
  • Youngberry
All Pests & Diseases
  • Alternaria
  • Alternaria black spot
  • Alternaria blight
  • Alternaria blotch
  • Alternaria brown spot
  • Alternaria fruit rot
  • Alternaria late blight
  • Alternaria leaf spot
  • Alternaria rot
  • Alternaria spot
  • Anthracnose
  • Anthracnose fruit rot
  • Apple scab
  • Belly rot
  • Berry rot
  • Black leaf spot
  • Black mold
  • Black pitting
  • Black root rot
  • Black rot
  • Black scurf
  • Blossom blight
  • Botryosphaeria blight
  • Botrytis blight
  • Botrytis blossom blight
  • Botrytis blossom end rot
  • Botrytis bunch rot
  • Botrytis crown rot
  • Botrytis fruit rot
  • Botrytis gray mold
  • Botrytis rot
  • Brown rot
  • Cane blight
  • Canker
  • Cavity spot
  • Cedar apple rust
  • Cladosporium
  • Colletotrichum
  • Corynespora leaf spot
  • Crown rot
  • Cylindrocarpon root rot
  • Damping off
  • Dieback
  • Dry rot
  • Early blight
  • Fruit rot
  • Gray mold
  • Green fruit rot
  • Gummy stem blight
  • Hull rot
  • Late blight
  • Leaf blight
  • Leaf blotch
  • Leaf rot
  • Leaf spot
  • Marssonina
  • Pecan scab
  • Post bloom fruit drop
  • Powdery mildew
  • Powdery mildew (Erysiphe)
  • Rhizoctonia canker
  • Rhizoctonia crown rot
  • Rhizoctonia damping off
  • Rhizoctonia fruit rot
  • Rhizoctonia leaf and sheath blight
  • Rhizoctonia root rot
  • Rhizoctonia solani
  • Rhizoctonia stem canker
  • Rhizoctonia web blight
  • Root rot
  • Rot
  • Rust
  • Scab
  • Sclerotinia rot
  • Seedling blight
  • Septoria spot
  • Shoot blight
  • Stem blight
  • Stem canker
  • Storage rot
  • Target leaf spot
  • Watery soft rot
Quick Facts

Biofungicide that performs like a conventional fungicide

Broad-spectrum disease control in a wide variety of crops

Unique mode of action (only fungicide in FRAC Group 19)

Excellent resistance management tool

Exempt from tolerance

0-day PHI and 4-hour REI

Mixes well without affecting pH levels

EASY ON BENEFICIALS

SUPERIOR MIXABILITY

MULTI-CROP USAGE

Application rates and timing for almonds

DISEASE RATE PER ACRE
PER APPLICATION
APPLICATIONS
Alternaria (Alternaria alternata) 6.2 oz/A
(0.7 oz ai/A)

Mix in appropriate spray volume for sufficient coverage.
(Spray every row to ensure coverage [avoid every other row applications].)

Begin sprays preventatively and repeat on a 10- to 14-day interval.

0-day PHI, 4-hour REI.

May be applied by air or ground.

Use of an adjuvant may enhance coverage.

 

NOTES

  • Use in alternation with fungicides that have different modes of action.
  • Do not apply more than 6 applications of PH-D WDG (2.1 ounce ai/A) per season

Application rates and timing for pistachios

DISEASE RATE PER ACRE
PER APPLICATION
APPLICATIONS
Alternaria (Alternaria alternata)

DISEASE SUPPRESION
Botryosphaeria blight
(Botryosphaeria spp.)
6.2 oz/A
(0.7 oz ai/A)

Mix in appropriate spray volume for sufficient coverage.
(Avoid every other row applications.)

For both diseases, begin sprays preventatively and continue as needed on a 10- to 14-day interval.

0-day PHI, 4-hour REI.

Do not apply by air.

Use of an adjuvant may enhance coverage.

 

NOTES

  • Use in alternation with fungicides that have different modes of action.
  • Do not apply more than 6 applications of PH-D WDG (2.1 ounce ai/A) per season.

Application rates and timing for strawberries

DISEASE RATE PER ACRE
PER APPLICATION
APPLICATIONS
Alternaria rot, Black leaf spot
(Alternaria alternata)

Botrytis
(Botrytis cinerea)

Powdery mildew*
(Uncinula necator)
6.2 oz/A
(0.7 oz ai/A)

Apply as a foliar spray every 7–10 days for foliar diseases.

Apply prior to disease development and when conditions are conducive for disease.

Mix spray volume appropriate for sufficient coverage.

0-day pre-harvest interval.

Do not apply by air.

Use of adjuvant may enhance coverage.

 

 

 



Application rates and timing for grapes

DISEASE RATE PER ACRE
PER APPLICATION
APPLICATIONS
Botrytis bunch rot
(Botrytis cinerea)

Powdery mildew*
(Uncinula necator)
6.2 oz/A
(0.7 oz ai/A)

Mix in appropriate spray volume for sufficient coverage.

For Botrytis bunch rot control, spray product at veraison and 7 days prior to harvest.

For Powdery mildew control, begin sprays preventatively and continue as needed on a 14-day interval.

0-day PHI, 4-hour REI.

Do not apply by air.

 

NOTES

  • Use in alternation with fungicides that have different modes of action.
  • Do not apply more than 6 applications of PH-D WDG (2.1 ounce ai/A) per season.

*Labeled for disease suppression in California

 

Application rates and timing for cherries

DISEASE RATE PER ACRE
PER APPLICATION
APPLICATIONS
Alternaria leaf spot, Alternaria rot
(Alternaria alternata)

Alternaria rot (Alternaria spp.)

Gray mold rot, Green fruit rot, Botrytis rot, Botrytis blossom blight
(Botrytis cinerea)

Scab* (Cladosporium spp.)

Powdery mildew* (Oidium spp.)
(Podosphaera leucotricha)
(Sphaerotheca pannosa)

Rhizoctonia root rot*
(Rhizoctonia solani)
6.2 oz/A
(0.7 oz ai/A)

Apply as a foliar spray every 7 to 10 days for foliar diseases.

Begin applications preventatively when conditions are favorable for disease development.

Mix spray volume appropriate for sufficient coverage.

0-day PHI, 4-hour REI

Apply as a drench every 14 to 28 days for crown and root-rot diseases.

Apply at full bloom for control of Botrytis blossom blight if conditions are favorable for disease development.

Use of an adjuvant may enhance coverage.

 

NOTES

  • Use in alternation with fungicides that have different modes of action.
  • Do not apply more than 6 applications of products containing any polyoxin as the active ingredient (4.2 ounce ai/A) per season.

*Not registered for use in California

 

Application rates and timing for citrus

DISEASE RATE PER ACRE
PER APPLICATION
APPLICATIONS
Post bloom fruit drop*
(Colletotrichum acutatum)

Septoria spot
(Septoria citri)
6.2 oz/A
(0.7 oz ai/A)

Mix in appropriate spray volume for sufficient coverage.
(Spray every row to ensure coverage [avoid every other row applications].)

Begin applications preventively when conditions are favorable for disease development.

0-day PHI, 4-hour REI.

Use of an adjuvant may enhance coverage.

 

NOTES

  • Use in alternation with fungicides that have different modes of action.
  • Do not apply more than 6 applications of products containing any polyoxin as the active ingredient (4.2 ounce ai/A) per season.

*Not registered for use in California

 

Application rates and timing for leafy vegetables

DISEASE RATE PER ACRE
PER APPLICATION
APPLICATIONS
Drop (Sclerotinia rot)
(Sclerotinia sclerotiorum)
(Sclerotinia minor)
6.2 oz/A
(0.7 oz ai/A)

Apply as a foliar spray every 7 to 10 days for foliar diseases.

Begin applications after plant emergence or immediately after transplanting.

Begin applications preventively when conditions are favorable for disease development.

May be applied through overhead sprinkler irrigation, see label for “Chemigration” directions for use through sprinkler irrigation systems for additional information.

Mix spray volume appropriate for sufficient coverage.

For Sclerotinia and Bottom rot, direct spray towards soil surface and lower leaves. Begin application before leaves contact the ground.

0-day PHI, 4-hour REI.

Use of an adjuvant may enhance coverage.

 

NOTES

  • Use in alternation with fungicides that have different modes of action.
  • Do not apply more than 6 applications of products containing any polyoxin as the active ingredient (4.2 ounce ai/A) per season.

 

Application rates and timing for stalk, stem and leaf petiole vegetables

DISEASE RATE PER ACRE
PER APPLICATION
APPLICATIONS
Late blight
(Septoria apiicola)
(Sclerotinia minor)
6.2 oz/A
(0.7 oz ai/A)

Apply as a foliar spray every 7 to 10 days for foliar diseases.

Begin applications preventively when conditions are favorable for disease development.

Mix spray volume appropriate for sufficient coverage.

0-day PHI, 4-hour REI.

 

NOTES

  • Use in alternation with fungicides that have different modes of action.
  • Do not apply more than 6 applications of products containing any polyoxin as the active ingredient (4.2 ounce ai/A) per season.

 

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