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7 Tips for Preventing Garden Diseases

17 May, 2018
7 Tips for Preventing Garden Diseases - All-America Selections

It can be so disheartening when you spend your time and money dreaming of a bountiful harvest only to have the plants succumb prematurely to disease.

Here are 7 tips to make sure your garden is filled with healthy, happy plants!

 

1)  Plant newer varieties that have been bred for disease resistance (see AAS Winners below that tout good disease resistance.)
2)  Use good, healthy soil to put less stress on the plants, and use a smart crop rotation plan.
3)  If you do spot disease on a plant, cut off the affected leaf or limb.
4)  Properly dispose of diseased plants in the trash, not the compost.
5)  Cleanliness counts! Wash your hands and clean your tools after working in one garden area so no diseases are transferred.
6)  Spread plants out so they have room for circulation, which helps prevent disease. This includes staking plants instead of letting them lie on the ground.
7)  Water early in the day so the plant’s leaves have time to dry before nighttime when diseases are more prone to spread.

Key to disease abbreviations:

BCMV = Bean Common Mosaic Virus
CMV = Cucumber Mosaic Virus
DM = Downy Mildew
F = Fusarium
NCLB = Northern Corn Leaf Blight
PM = Powdery Mildew
PVY = Potato Virus
TMV = Tomato Mosaic Virus
TSWV = Tomato Spotted Wilt Virus
V = Verticillium
WMV = Watermelon Mosaic Virus
ZYMV = Zucchini Yellow Mosaic Virus

Disease resistant/tolerant AAS Winner varieties include:

Bean Pole Seychelles - AAS Edible-Vegetable Winner

 Bean, Pole Seychelles
BCMV tolerant

Bean Mascotte 2014 AAS Vegetable Award Winner The first AAS winning bean since 1991, this compact variety is perfect for today’s small-space gardens.

Bean Mascotte
High resistance BCMV, anthracnosis, and Pseudomonas (halo blight)

Corn Sweet American Dream - 2018 AAS Edible-Vegetable Winner

Corn, Sweet American Dream
Moderate Tolerance to NCLB

Cucumber Parisian Gherkin F1 is an excellent mini or gherkin pickling cucumber which can be picked either at the midget size or small pickle stage and processed.

Cucumber Parisian Gherkin F1
Scab, CMV resistance, PM tolerance

Cucumber Pick a Bushel F1 2014 AAS Vegetable Award Winner This Regional AAS Winner is great for northern areas because it is early to set fruit, offers a prolific quantity of fruit and is a compact bush-type cucumber spreading only about 24 inches.

Cucumber Pick a Bushel F1
CMV, Scab

Cucumber Saladmore Bush F1 2014 AAS Vegetable Award Winner Matures in 55 days from sowing. This semi bush vine sets sweet crisp cucumbers as long as you keep them picked.

Cucumber Salamore Bush F1
CMV, Scab, anthracnose, PM tolerance

Kohlrabi Konan - 2016 AAS Edible-Vegetable Winner

 Kohlrabi Konan
Tolerance to leaf spots, thrips, cabbage worms

Lettuce Sandy - Sandy is an attractive oakleaf type lettuce with a multitude of sweet tasting frilly dark green leaves.

Lettuce Sandy
PM, Tip Burn, DM resistant, Heat tolerant

Onion Bunching Warrior grows quickly and thus matures early, producing a very uniform crop of slender, crisp onion stalks that are easy to harvest and clean.

Onion, bunching Warrior
Pink Root Disease

Pepper Emerald Fire - Emerald Fire produces gorgeous, glossy green peppers with thick walls that have very little cracking, even after maturing to red.

Pepper Emerald Fire F1
Xanthomonas Campestris Race 1-3 (X3R), PVY PO

Pepper Flaming Flare F1 - AAS Winner - The fruit is ideal for making chili sauces and the heat of that sauce will increase depending on how late in the season the peppers are harvested.

Pepper Flaming Flare F1
TMV

Pepper Hot Sunset F1

Pepper Hot Sunset F1
Xanthomonas Campetsris Race 1-3 (X3R), TSWV

Pretty N Sweet Pepper F1 is just that: a sweet, multi-colored pepper on a compact 18” plant that is attractive to use in ornamental gardens and containers.

 Pepper Pretty N Sweet
TMV

Pepper Sweet Sunset

Pepper Sweet Sunset F1
Xanthomonas campestris races 1-3 (X3R0)

Pepper Hungarian Mexican Sunrise - AAS Edible - Vegetable Winner

Pepper Hungarian Mexican Sunrise F1
TMV

Pepper Hungarian Mexican Sunset - 2018 AAS Edible - Vegetable Winner

Pepper Hungarian Mexican Sunset F1
TMV

When you need Serrano peppers to help bring the heat to your recipes, look no further than Pepper Flaming Jade F1, our 2016 AAS Regional Winner for the Heartland and Great Lakes areas.

Pepper Flaming Jade F1
Xanthomonas races 0-3, TMV, Nematode (M. incognita)

Pepper Giant Ristra F1 2014 AAS Vegetable Award Winner Heavy yield of bright red very hot 7-inch chile peppers.

Pepper Giant Ristra F1
TMV

Pepper Mama Mia Giallo F1 2014 AAS Vegetable Award Winner Very early maturing yellow sweet Italian pepper.

 Pepper Mama Mia Giallo F1
TMV

Pumpkin Cinderella's Carriage F1

Pumpkin Cinderella’s Carriage F1
PM Tolerance

Pepitas Pumpkin - The newest All-America Selections award winning pumpkin, Pepitas, is a winner in both the decorative and culinary arenas.

Pumpkin Pepitas F1
PM tolerance, Southern root rot resistance

Love the look of white pumpkins for your fall holiday décor? Then you will love our first-ever white pumpkin AAS Regional Winner Super Moon F1.

Pumpkin Super Moon F1
PM tolerance, Southern root rot resistance

Radish Rivoli 2014 AAS Vegetable Award Winner Upright healthy leaves with fruit that is an even-colored bright red.

Radish Rivoli
Resistant with moderate mildew tolerance

Squash Bossa Nova F1 2015 AAS Vegetable Award Winner The beautiful dark and light green mottled exterior of this zucchini is more pronounced than other varieties on the market

Squash Bossa Nova F1
WMV and ZYMV resistance

Squash Butterscotch F1 2015 AAS Vegetable Award Winner This adorable small-fruited butternut squash has an exceptionally sweet taste perfect for just one or two servings.

 Squash Butterscotch F1
PM

Squash Sugaretti F1 - 2017 AAS Edible-Vegetable Winner

Squash Sugaretti F1
PM Tolerance, crack resistant

Tomato Chef’s Choice Yellow F1 - 2017 Edible - Vegetable Winner

Tomato Chef’s Choice Yellow F1
TMV, Anthracnose, Scab, F, V, Crack

Chef's Choice Green Tomato - The newest addition to the Chef’s Choice series produces beautiful green colored fruits with subtle yellow stripes and a wonderful citrus-like flavor and perfect tomato texture.

Tomato Chef’s Choice Green F1
TMV, Anthracnose, Scab, F, V, Crack

Tomato Chef's Choice Pink - AAS Edible-Vegetable Winner

Tomato Chef’s Choice Pink F1
TMV, Anthracnose, Scab, F, V, Crack

Tomato Chef's Choice Orange F1 2014 AAS Vegetable Award Winner Chef's Choice Orange F1 is a hybrid derived from the popular heirloom Amana Orange which matures late in the season.

Tomato Chef’s Choice Orange F1
TMV, Anthracnose, Crack

Tomato Chef Choice Red - 2018 AAS Edible-Vegetable Winner

Tomato Chef’s Choice Red F1
V, F

Tomato Fantastico F1 2014 AAS Vegetable Award Winner Fantastico is a must for any market grower or home gardener looking for an early-maturing, high-yielding grape tomato with built-in Late Blight Tolerance.

Tomato Fantastico F1
Tolerant to Late Blight

Tomato Jasper F1 2013 AAS Vegetable Award Winner Excellent taste, a long harvest window and outstanding performance in the trials contributes to this tomato’s success.

Tomato Jasper F1
Early Blight, Late Blight, F (1,2)

Tomato Mountain Merit F1 2014 AAS Vegetable Award Winner Mountain Merit was judged by growers in the Heartland region as a superior tomato because it is such a nice all-around tomato, perfect for slicing and sandwiches.

Tomato Mountain Merit F1
V, TSWV, Late Blight, Moderate resistance to Early Blight and nematodes

Tomato Patio Choice Yellow F1 - 2017 AAS Edible - Vegetable Winner

Tomato Patio Choice Yellow F1
TMV, F, V

Tomato, cocktail Red Racer F1 - 2018 AAS Edible - Vegetable Winner

Tomato, cocktail Red Racer F1
V, F (1,2), Nematode, TMV, Gray Leaf Spot

Tomato Valentine - 2018 AAS Edible/Vegetable Winner

Tomato Valentine F1
Intermediate resistance to Early Blight

Watermelon Mini Love - AAS Vegetable Award Winner This personal-sized Asian watermelon is perfect for smaller families and smaller gardens.

Watermelon Mini Love F1
Intermediate resistance to Anthracnose

“This post is provided as an education/inspirational service of All-America Selections. Please credit and link to All-America Selections when using all or parts of this article.”

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