OK State Weed Science

Bringing you the latest Weed Science from OK State and beyond!

Photos from OK State W**d Science's post

06/19/2026

Can you guess the name of this
w**d seed? Here are some hints to help you out!
Comment below if you think you know the answer, and
come back on Monday to see if you're right... we're
ROOTING for you!
🌱 This seed has a light tan-brown wrinkled coat!
🌱 One seed usually weighs around 0.5 mg
🌱 A single mature plant can produce up to 60,000 seeds in a single growing season!
🌱 This w**d spreads by creeping along the ground, rooting at its lower nodes, and forms tough, mat-like patches that are difficult to pull up

**dscience

06/15/2026

It's time for the reveal! Our secret seed from Friday is... CURLY DOCK! Here are a few fun facts about curly dock to get your week started right!
🌱 Seedbank longevity is can be anywhere from 50-80 years!
🌱It has a massive, deep taproot that is bright yellow inside. If you try to pull the plant and leave even a small piece of this root behind, it can regenerate
🌱 During the Great Depression, people relied on curly dock as a sustainable food source.
**dscience **dScience

06/12/2026

Can you guess the name of this
w**d seed? Here are some hints to help you out!
Comment below if you think you know the answer, and
come back on Monday to see if you're right... we're
ROOTING for you!
🌱 This seed has a shiny, dark reddish-brown coat!
🌱 Can weigh anywhere from 1-3 mg!
🌱 A single mature plant can produce anywhere from 100 to over 60,000 seeds
🌱 This plant blooms in the late summer and fall and is considered a serious pest in alfalfa stands!

**dscience

06/08/2026

It's time for the reveal! Our secret seed from Friday is... JIMSONWEED! Here are a few fun facts about jimsonw**d to get your week started right!
🌱 Seedbank longevity is can be up to 2.5 years!
🌱Its seeds are almost the exact same size as some commodity grains, like rice or soybeans, making them difficult and expensive to separate during harvesting.
🌱 This plant is a notorious nuisance for farmers because it acts as a host for soybean cyst nematodes and soybean rust.
**dscience **dScience

06/05/2026

Can you guess the name of this
w**d seed? Here are some hints to help you out!
Comment below if you think you know the answer, and
come back on Monday to see if you're right... we're
ROOTING for you!
🌱 This cube-like seed has a glossy brown seed coat!
🌱 Can weigh anywhere from 6-15 mg!
🌱 This is a very aggressive w**d in the legume family with highly toxic seedpods that can hold 30-40 seeds each.

**dscience

06/01/2026

It's time for the reveal! Our secret seed from Friday is... EASTERN BLACK NIGHTSHADE! Here are a few fun facts about Eastern Black Nightshade to get your week started right!
🌱 Seedbank longevity is typically 5-8 years!
🌱 The ripe berries of his plant are often used in jams and pies in the late summer/early fall
🌱 The berries are about the same size as soybean seeds, making them incredibly hard to separate during harvest if a field is infested.
**dscience **dScience

05/29/2026

Can you guess the name of this
w**d seed? Here are some hints to help you out!
Comment below if you think you know the answer, and
come back on Monday to see if you're right... we're
ROOTING for you!
🌱 This seed's coat is a golden yellow color with a glossy sheen!
🌱 Weighs between 0.4-0.5 mg!
🌱 A single plant can produce up to 180,000 tiny seeds per season!
🌱 Seeds and unripe berries of this plant contain the toxic alkaloid solanine!

**dscience

05/28/2026

We recieved an industry protocol to assess ground rig vs. drone applications of different herbicide(s) for broadleaf w**d control. The trial sites are near Lawton, Checotah, and Stillwater.
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Call your county extension Ag. Educator, let them know you want Dr. Galvin to present an aerial CEU near you!

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