ALFALFA

Leafspot

• Cut foliage in a timely manner 

Downy Mildew

• Cut foliage in a timely manner

BARLEY 

Covered Smut 

• Treat seed with a suitable chemical 

Loose Smut

• Hot water -  long water soak treatment

• Treat seed with suitable chemical

Black Loose Smut

• Treat seed with a suitable chemical

Scald

• Resistant varieties

Stripe

• Treat seed with a suitable chemical

Powdery Mildew

• Resistant varieties

OATS

Crown Rust

• Resistant varieties

Black Loose or Covered Smut (Cannot be separated except by microscopic examination)

• Treat seed with a suitable chemical

Stem Rust

• Destroy alternate host

• Resistant varieties

WHEAT

Glume Blotch

• Treat seed with a suitable chemical

Leaf Rust

• Resistant varieties

Stem Rust

• Destroy alternate host

• Resistant varieties

Loose Smut

• Hot water seed treatment

• Water soak treatment

• Treat seed with a suitable chemical

Scab

• If following corn, cover residue completely

• Treat seed with a suitable chemical

Powdery Mildew

• Resistant varieties

RYE

Ergot

• Disease free seed

• Cut wild grass hosts

Leaf Rust

• Resistant varieties

CLOVER

Rust

• No practical control

Powdery Mildew

• Resistant varieties

Sclerotina Crown Rot

• No practical control

APPLES 

Frogeye Leaf Spot (Black Rot)

• Captan

• Nova + mancozeb

• Remove and destroy diseased parts

Cedar Rust

• Remove alternate host

• Rubigan + Captan

• Rubigan + Ziram

Scab

• Captan

• Rubigan + Captan

• Rubigan + Ziram

Sooty Blotch

• Captan

• Remove dead branches

Bitter Rot

• Captan

• Remove dead branches

Fire Blight

• Remove and destroy diseased parts

•  Streptomycin

• Bordeaux

• Fixed Copper

PEACHES

Brown Rot

• Topsin-M + Sulfur

• Bravo

• Captan

Peach - Leaf  Curl

• Lime-sulfur in winter time 

• Ferbam

• Wettable Sulfur

• Bravo

Scab “Freckles”

• Bravo

• Topsin-M + Captan

Yellows

• Pull and destroy diseased trees

Leaf Spot or Shot Hole

• Wettable Sulfur

• Fixed Copper

PLUMS

Black Knot

• Remove and destroy diseased parts

• Topsin-M + Captan

Brown Rot

• Captan and Topsin-M, mixed

CHERRIES

Leaf Spot or Shot hole

• Captan and Topsin-M, mixed

Brown Rot

• Captan and Topsin-M, mixed

NOTE: Most peaches, plums, and cherries are sprayed or dusted with sulfur, except for yellows, peach leaf curl, and black knot  Never use Bordeaux or lime-sulfur on growing peaches  

BRAMBLES (Blackberries, Raspberries, Dewberries)

Anthracnose

• lime-sulfur in spring when leaves show 1/2 inch growth: follow with Captan at bloom and two weeks after bloom

Caution: Do not use lime-sulfur after 1/2 inch leaf, it will cause severe burning

Orange Rust

• Remove infected plants, including all roots

Crown Gall

• Avoid infested soil

• Remove infected plants

• Disease free plants

Bluestem

• Avoid infested soil

• Remove infected plants

TOMATOES

Late Blight

• Mancozeb

• Copper

• Terranil

• Bravo

Early Blight

• Mancozeb

• Copper

• Bravo

Blossom End Rot

• Mulch-Even Water Supply

• Keep calcium high

Septoria Leaf Spot

• Crop rotation 3- Years

• Mancozeb

• Copper

• Bravo

Anthracnose

• Crop rotation 3- Years

• Clean seed

• Mancozeb

• Copper

• Bravo 

Wilt

• Resistant varieties

Root Knot

• Fumigate soil

• Buy nematode free plants

CRUCIFERS (Cabbage, Cauliflower, Brussels Sprouts)

Club Root

• Avoid infested soil

• Apply lime to soil

Blackleg

• Clean seeds

• Hot water seed treatment

• Rovral

Soft Rot

• Prevent mechanical and insect injuries to plant

CUCURBITS (Cucumbers,Melons etc)

Bacterial Wilt

• Provado dust

• Ambush

• Asana

• Pounce

• Rotenone for cucumber beetles

Anthracnose

• Mancozeb

• Bravo

• Topsin-M

Downy Mildew

• Bravo

• Mancozeb

• Quadris

Powdery Mildew

• Bravo

BEANS

Anthracnose

• Bravo

• Mancozeb

• Remove infected plants

Bacterial Blight

• Disease free seed

• Crop rotation

Rust

• Sulfur dust

• Bravo

• Resistant varieties

Common Mosaic

• No chemical control

• Control weeds

• Disease-free seed

CORN

Rust

• No practical control

Southern Leaf Blight

• Resistant varieties

Northern Leaf Blight

• Resistant varieties

Smut

• Remove and destroy diseased parts

• Crop rotation

Maize Dwarf Mosaic Virus

• Resistant varieties

Gray Leaf Spot (Cercospora)

• Resistant varieties

PEPPER

Bacterial Spot

• Resistant varieties

• Copper

• Disease free seed

POTATOES

Late Blight

• Mancozeb

• Copper

• Bravo

• Resistant varieties

Early Blight

• Mancozeb

• Copper

• Bravo

Hopperburn

• Insecticide spray of pyrethroid

Leaf Roll

• Disease free seed

Mosaics

• Disease free seed

Rhizoctonia (Black Scurf, Dry Stem Rot)

• No practical control

• Cultural practice “plant shallow and hill deep”

Scab

• Acidify soil

• Resistant varieties

Black leg

• Treat seed with Captan

• Polyram 

• Disease free seed

Ring Rot

• Disease free seed

STRAWBERRIES

Leaf Spot

• Captan

• Topsin-M

Leaf Blight

• Captan

Botrytis Rot

• Renovate

• Thin old beds

• Captan

• Topsin-M

• Ronilan

GRAPES

Black Rot

• Ferbam

• Captan

• Bayleton

• Immunox

Downy Mildew

• Bordeaux

• Fixed copper

Powdery Mildew

• Bordeaux

• Fixed copper

• Bayleton