According to the scientific journal Plant Physiology, these strange-looking marks are known as “russet spotting.” A physiological disorder that may develop during postharvest transport and storage, russet spotting is particularly common in iceberg lettuce.In other words: Russet spotting alone is no reason to throw your salad in the trash.More importantly, it’s crucial for you to take a close look at your lettuce — and any food, really — before actually serving it to yourself and others.What Are Those Brown Spots on Your Fresh Cauliflower? .

Is Brown Lettuce Safe To Eat?

However, it may have lost some of its nutritional value and probably won't taste quite as fresh as the day you bought it, so feel free to trim those brown parts before adding it to your salad. .

What Causes Rust on Lettuce?

Lettuce rust is known as russet spotting.Russet spotting occurs because of a chemical reaction that involves ethylene gas, and it can be minimized with certain handling and storage practices.Store your lettuce away from your fruits to reduce ethylene exposure.Ethylene gas causes greens to yellow faster and causes brown spots on lettuce.It isn't simply the presence of ethylene gas that causes rust on lettuce; it is damage to the lettuce itself.Russet spotting occurs as plant compounds known as polyphenols react with enzymes present in the lettuce, according to the University of California.No one is truly sure about why russet spotting occurs. .

Can you get sick from brown lettuce?

Certain bacteria and fungi can also cause browning, but these rarely pose a health hazard.This happens when lettuce is exposed to low concentrations of ethylene, a plant hormone that's released as a gas.This ethylene exposure triggers the production of phenolic compounds, causing those brown or black spots on lettuce.Vegetables and leafy greens can become contaminated with harmful bacteria, such as E. coli, Salmonella and Listeria. .

What to Do About the Rusty Spots on Your Lettuce

Try this grilled romaine recipe .Strawberry Salad with Poppy Seed Dressing My family is always happy to see this fruit and veggie salad on the table.Whenever I make this, it's like having lunch with my grandmother again.Whenever I make this, it's like having lunch with my grandmother again.Chicken & Onion Caesar Salad My Caesar with grilled chicken is a healthier alternative to heavy meat and potatoes dishes.Taste of Home Green Salad with Dill Dressing With a big holiday meal, a light colorful salad is the perfect side dish, especially with this flavorful dressing.Taste of Home Chicken Strawberry Spinach Salad This pretty spinach salad, topped with grilled chicken, strawberries and almonds, features a delectably sweet poppy seed dressing.Chicken Pasta Caesar Salad My colleagues and I made a pact to eat healthier, and we took turns sharing dishes.Tropical Layered Chicken Salad This is a fresh and delicious recipe that is a big hit whenever I take it to a potluck—always the first to go!—Frances Pietsch, Flower Mound, Texas Go to Recipe This is a fresh and delicious recipe that is a big hit whenever I take it to a potluck—always the first to go!Taste of Home Ham Caesar Salad One bite, and you’ll fall in love with this combo!Layered Salad for a Crowd This salad is a favorite of my three sons.I like to make the dressing the day before so the flavors blend together.I like to make the dressing the day before so the flavors blend together.—Marlene Clark, Apple Valley, California.Taste of Home Bacon Chicken Chopped Salad Here's one of many reasons we love tomato season.Chopped salads are so simple and such a fantastic way to eat fresh.Chopped salads are so simple and such a fantastic way to eat fresh.Vegan Taco Salad The best salads are made with ingredients that have different textures and complementary flavors.—Taste of Home Test Kitchen, Milwaukee, Wisconsin Go to Recipe The best salads are made with ingredients that have different textures and complementary flavors.—Taste of Home Test Kitchen, Milwaukee, Wisconsin Go to Recipe Crunchy veggies and noodles are coated in a tangy dressing in this pleasant slaw.—Jennifer Gilbert, Brighton, Michigan Go to Recipe My parents and in-laws are retired and like to spend winters in Florida.Sesame Chicken Slaw Salad I tasted many types of Asian chicken salad in California.—Blythe Twiggs, Buford, Georgia Go to Recipe My mother made this tasty salad for me as a child, and it was my favorite.Taste of Home Strawberry-Blue Cheese Steak Salad At lunch one day, a friend told me about a steak salad she'd had at a party.—Alma Winberry, Great Falls, Montana Go to Recipe At lunch one day, a friend told me about a steak salad she'd had at a party.Taste of Home Tortellini Caesar Salad This salad was served at a dear friend's baby shower by a health-conscious friend, who suggested the dressing be prepared with low-fat or fat-free ingredients.—Tammy Steenbock, Sembach Air Base, Germany Go to Recipe This salad was served at a dear friend's baby shower by a health-conscious friend, who suggested the dressing be prepared with low-fat or fat-free ingredients.—Sherry Conley, Noel Hants County, Nova Scotia Go to Recipe This variation of a BLT salad goes great with a side of garlic bread or garlic toast, and will satisfy even the pickiest eaters.Mediterranean Romaine Salad This salad is my standard—I always make sure I have the ingredients on hand so I can whip up this easy salad anytime.—Trisha Kruse, Eagle, Idaho Go to Recipe This salad is my standard—I always make sure I have the ingredients on hand so I can whip up this easy salad anytime.Cashew-Pear Tossed Salad A friend who does a lot of catering fixed this salad for our staff Christmas party several years ago, and we all asked for the recipe.—Arlene Muller, Kingwood, Texas Go to Recipe A friend who does a lot of catering fixed this salad for our staff Christmas party several years ago, and we all asked for the recipe.Taste of Home Blackened Pork Caesar Salad When I cook, the goal is to have enough leftovers for lunch the next day.Romaine & Orange Salad with Lime Dressing Three ingredients plus a dressing equals a quick salad for special occasions.I first had it at a friend's wedding, and it's become a family favorite.I first had it at a friend's wedding, and it's become a family favorite.Thai-Style Cobb Salad This veggie salad is like a mix of Cobb salad and my favorite summer rolls.—Elisabeth Larsen, Pleasant Grove, Utah Go to Recipe This veggie salad is like a mix of Cobb salad and my favorite summer rolls.Taste of Home Sesame-Ginger Steak Salad This Asian-inspired salad makes a satisfying lunch.—Taste of Home Test Kitchen, Milwaukee, Wisconsin Go to Recipe We toss romaine with chunks of mango, avocado, sugar snap peas, red onion and a homemade honey-lime dressing.Taste of Home Salmon Caesar Salad This main course was invented out of a need to serve my family a balanced meal when time was limited.I always serve it with some homemade bread.I always serve it with some homemade bread.Barbecue Chicken Cobb Salad I turned barbecue chicken into a major salad with romaine and carrots, sweet peppers and avocados.That’s how I got my family to eat more veggies.—Camille Beckstrand, Layton, Utah Go to Recipe I turned barbecue chicken into a major salad with romaine and carrots, sweet peppers and avocados.That’s how I got my family to eat more veggies.—Bryan Braack, Eldridge, Iowa Go to Recipe Light with a hint of sweetness, this lettuce salad recipe will make everyone excited to eat their fruits and vegetables.Taste of Home Strawberry-Avocado Tossed Salad Delicious and beautiful!Strawberries and avocado on top of romaine drizzled with a honey vinaigrette dressing.Perfect with a grilled steak and crusty bread.—Pam Nordahl, Edina, Minnesota Go to Recipe Delicious and beautiful!Strawberries and avocado on top of romaine drizzled with a honey vinaigrette dressing.—Jeanne Ellermeyer, Walnut Creek, California. .

How to Tell if Lettuce Has Gone Bad: 12 Steps (with Pictures)

wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. .

Is there rust in my lettuce?

Dear Heloise:.When cutting a head of lettuce, I sometimes find brown spots and streaks throughout the inside.It looks like rust. .

What causes brown spots on lettuce leaves?

In this regard, is it OK to eat lettuce with brown spots?LETTUCE IS SAFE TO EAT DESPITE BROWN SPOTS.After washing your lettuce leaves, spin them dry and place the slightly damp greens in a container.Browning occurs from spoilage. .

Brownish pink color on your lettuce's edges and ribs?

What it is: Pink rib!As we’ve talked about in other posts, humans aren’t the only living things to contend with stress.“It’s a prolific disorder,” said Catherine Belisle, a University of Florida PhD candidate studying pink rib.When the lettuce experiences stress, it deploys defensive compounds.Belisle said she’s never found pink ribs to taste any different, though “in theory lettuce with pink rib may be more bitter.”.How is a salad like a sweater? .

Lettuce Growing Problems and Solutions

Most varieties of lettuce require cool weather or slight shading for best growth.Lettuce grows well in average, but loose and well-drained soil.• Seed planted in mid summer or warm weather fails to germinate.Use an organic mulch to reduce soil temperature.Plant varieties that tolerate warm soil temperatures: Black Seeded Simpson, Progress, Great Lakes, Imperial 615.• Seedlings wilt and collapse with dark water-soaked stems as soon as they appear.Birds pull up seedlings to feed on seed.Leafhoppers are green, brown, or yellow bugs to ⅓-inch long with wedge-shaped wings.• Holes in leaves; leaves skeletonized; seedlings eaten.(1) Armyworms are dark green caterpillars the larvae of a mottled gray moth with a wingspan of 1½ inches.Armyworms mass and eat leaves, stems, and roots of many crops.• Leaf veins are swollen and light yellow; leaves are puckered, ruffled, and brittle.Plant tolerant varieties.Fusarium wilt is a soil fungus which infects plant vascular, usually where the soil is warm.Grow resistant varieties.Remove infected plant debris that harbors fungus.• Leaves rot becoming water soaked and turning brownish-black.Plant resistant varieties.Sow lettuce so that it grows and matures in cool weather.Sow lettuce in spring 2 weeks before the last frost or plant in late summer for a fall crop.• Leaf tips turn brown and look burned.Plant lettuce so that it comes to harvest in cool weather.Keep the garden free of weeds which can harbor disease.Destroy infected plants.Seed was planted too deep; place seed on seedbed and cover with ½ inch of soil.Planting.Grow lettuce in full sun where the growing season is cool.In very warm to hot growing regions, grow lettuce in partial shade–between taller crops is good.Lettuce will grow in average soil, but soil amended with aged compost that is well-drained is optimal.Lettuce can be planted in the garden as early as 4 weeks before the last expected frost in spring.Do not let the soil dry out, but avoid keep the surface soil constantly wet.In hot weather or dry conditions, lettuce may require watering every day.Keep growing beds weed free; cultivate shallowly to avoid disturbing lettuce roots. .

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