How To Take Seeds Out Of Weed

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Western Integrated Pest Management Center For the latest IPM news and funding announcements, subscribe to our monthly newsletter. Targeting Weed Seeds at Harvest As herbicide-resistant Does anyone out there known of an easy way to get seed out of buds without destroying the bud itself? Harvest Weed Seed Control At harvest time, weeds that have escaped season long management often have mature seed still attached to the parent plants. These weed seeds can enter the combine along

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Targeting Weed Seeds at Harvest

As herbicide-resistant weeds become more common across the country, researchers and growers are looking for other ways to control weeds.

In Colorado, they’re looking to techniques and technology developed in Australia, which has significant issues with herbicide-resistant weeds.

Known as harvest weed-seed control, these IPM-friendly methods are designed to destroy or remove weed seeds during harvest to prevent them from raining down onto the soil and replenishing the weed seed bank. In Colorado wheat, weed species of concern are winter annual grasses that share the grain’s growing cycle, like jointed goatgrass, feral rye and downy brome.

“In harvest weed-seed control, the objective is to prevent those seed-bank increases,” explained Colorado State University doctoral candidate Neeta Soni. “There are a number of ways to do it, and we’re investigating to see if they could be adopted in Colorado.”

One way to destroy the weeds seeds is by directing chaff during harvest into a cage mill – imagine a giant coffee grinder – and pulverizing the chaff and weed seeds into powder. That’s the idea behind an Australian innovation known as the Harrington Seed Destructor (and a new competitor called the Seed Terminator).

Another option is to use a piece of equipment called a chaff deck to gather chaff into mounded strips behind the harvester, capturing the weed seed in those mounds of chaff. In some places those chaff strips can be burned, and in others they’re left alone to allow the weed seeds to decay without entering the soil.

A third option is to use chaff carts and collect all the chaff and captured weed seeds for off-site destruction.

“Our research is focused on finding out if there is potential to use these methods in Colorado,” explained Soni, a graduate student of assistant professor Todd Gaines. “So what we needed to know is whether, at harvest, the majority of the winter annual grass seeds are retained in the upper wheat canopy, where they would be vulnerable to the seed destructor or other methods.”

If the weed seeds have already shattered and fallen to the soil, or if the weed seeds are below the cutting height of the combine, the methods would not be as effective.

So the Weed Research Lab team measured and counted a lot of weeds.

“What we found is that the majority of seeds are still retained at harvest,” Soni said. “Downy brome is the same height as wheat, rye is taller and jointed goatgrass a little shorter, but growers could adjust their cut height to manage it.”

Soni then counted out 1,000 seeds of each weed species into a specified amount of chaff and drove to the University of Arkansas where they have a seed destructor set up on a test platform. She ran each bundle through the destructor. The pulverized material was dusted across beds of soil to see if any weed seeds germinated. Virtually none did.

“The seed destructor was 98 percent effective on downy brome and jointed goatgrass, and 99 percent effective on feral rye,” Soni said.

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The Gaines lab hopes to conduct field trials with the equipment. They will also study if the strips of mounded chaff are effective in Colorado, or if the state’s dry and windy conditions enable weed seeds to survive and spread.

The seed destructor isn’t commercially available in the United States yet, but a number of researchers are testing versions in different regions and in different crops. The initial model was a tow-behind trailer, but both Australian manufacturers now offer the technology integrated into a combine harvester that retails between $120,000 and $160,000 Australian dollars.

Not every grower would need to buy one.

“It is very common that growers here have their harvesting done by a contractor,” Soni said, “so this could be an extra service they provide.”

But not at every harvest. Because whatever specific iteration of harvest weed-seed control Colorado growers may eventually adopt, it should be just one element of an integrated management strategy, Soni cautioned.

“Repeated use could lead to the selection of earlier-shattering weed seeds, or shorter weeds,” she said. “It has to be used in rotation with other integrated measures, including herbicides and crop rotation.”

In short, it should be part of an IPM program.

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Easy way to get seed out of bud

Does anyone out there known of an easy way to get seed out of buds without destroying the bud itself?

CA MTN MAN
Well-Known Member
shynee mac
Well-Known Member

nope but I know how to get bud out of seed without destroying the buds. jkd you could google “single bud pollination” and its ways to pollinate single buds but if your new to breeding id say just fuck up the whole plant. no pain no gain

GroErr
Well-Known Member

Does anyone out there known of an easy way to get seed out of buds without destroying the bud itself?

If it’s seeded by accident you either don’t sell it, hash it, or discount it. There’s no practical way to de-seed without destroying the buds. I de-seed and put the remnants into the hash/trim bin.

The303Yeti
Well-Known Member

If it’s seeded by accident you either don’t sell it, hash it, or discount it. There’s no practical way to de-seed without destroying the buds. I de-seed and put the remnants into the hash/trim bin.

Well-Known Member
GroErr
Well-Known Member

He didn’t say but I was assuming by the question that he accidentally seeded some bud and is trying to save it.

I seed bud all the time on purpose and when I de-seed the buds, that trim left over goes into small jars. It’s then ready to roll or stick into my pipe, bonus in my books, two-for-one

Well-Known Member

He didn’t say but I was assuming by the question that he accidentally seeded some bud and is trying to save it.

I seed bud all the time on purpose and when I de-seed the buds, that trim left over goes into small jars. It’s then ready to roll or stick into my pipe, bonus in my books, two-for-one

That’s how I do it too

GroErr
Well-Known Member

That’s how I do it too

Yeah either that or the hash bin if I have more around than I can smoke/vape. I’ve seen postings about how seeded bud is not as good, lmao

Bugeye
Well-Known Member

New German teleporter technology makes it easy to deseed and causes zero damage to buds.

GuyLeDuche
Well-Known Member

Last time I had some I pushed it through a metal pasta strainer. Got back a pile of nice seeds and a pile of bud powder lol. Worked great in the vaporizer, but I didn’t like smoking it (maybe too many hull remnants). I ended up running a bunch of QWISO with most of it and that worked out great too.

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The303Yeti
Well-Known Member

New German teleporter technology makes it east to deseed and cause zero damage to buds.

chuck estevez
Well-Known Member

easiest way to remove it is to sell it and tell people it has seeds. let them deal with it, or poke seeds out with point of scissors.

Larry Gardener
Well-Known Member

So far I haven’t got rid of any of my smoke, so I’m just doing it as I smoke it. But when I first harvested I went through and “shucked” out what was easy to get. Then I tried to push the seeded buds to the back of the queue, so now that it’s time to plant, they are what I have left. Worked out pretty good.

Lucky Luke
Well-Known Member

If its heavily seeded it can be a pain.

I bought a real seedy ounce once (someone did the “old switcheroo” on me). was a pain in the backside .. but i smoked it.

Then put in a small hydro set up and used some of those seeds..

Deusracing
Well-Known Member

Honestly my out door spur d that hermied due to stress is far more potent than my indoor. I’m baffled. I was wondering if you can blow it without effecting the taste so much. Or even just edible butter

Herb & Suds
Well-Known Member

Honestly my out door spur d that hermied due to stress is far more potent than my indoor. I’m baffled. I was wondering if you can blow it without effecting the taste so much. Or even just edible butter

GroBud
Well-Known Member

I ran this auto for seeds tossed the entire plant afterwords. With hundreds of seeds genetically matching that plant never do I try to be gentle. Besides the plants long past harvest once sacs open and seeds start falling out. To me being a month or more past harvest time makes the bud no good. Unless you prefer 90% amber mixed with disintegrated trichomes

Damn I got tricked lol 2016 read never skim

Attachments
riuoldmember
Well-Known Member

put it in a contractor bag and hang it from a tree and get a bat and hit it like a piñata. keep rearranging the stalks and shaking them after you hit it a bunch of times.

Harvest Weed Seed Control

At harvest time, weeds that have escaped season long management often have mature seed still attached to the parent plants. These weed seeds can enter the combine along with the cash crop, exit the back of the combine as chaff (small plant pieces and weed seeds), and be spread across the field, as well as from one field to another. It seems a waste to spend all year spraying weeds with expensive herbicides only to reward the survivors at harvest by spreading their weed seeds out for next year.

An excellent way to stop weeds in their tracks is to collect these weed seeds at harvest and either destroy them or deposit them in a known location where they can be monitored and controlled later. Soybean, wheat, and other crops harvested with a grain header are ideal choices for harvest weed seed control (HWSC). Other crops such as cotton and corn need further equipment development to make HWSC a viable option.

If you are considering adding harvest weed seed control (HWSC) to your weed control program there are excellent resources on the WeedSmart website to help guide you through the initial decisions and the implementation of this important weed control tool.

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3 steps to get it working for you

1. Decide which system fits your farm best.

2. Get maximum weed seed into the header.

3. Know how to manage the collected weed seed.

What is Harvest Weed Seed Control?

Choose The Best System For You

Which system is best?

HWSC is being rapidly adopted in Australia and other countries around the world. There are six systems currently being used on Australian farms and they have been initially developed by farmers.

Research has demonstrated that all are very effective weed seedbank management tactics for a range of weed species, achieving over 80 percent control and for some nearly 100 percent.

See HWSC in Action

Over 80% weed control for species that retain seed at harvest

Crop residue management

There are six systems currently used to collect and manage weed seed at harvest. They can be grouped according to the way crop residue is managed: chaff only or chaff + straw.

CHAFF ONLY

Chaff carts are a tow-behind unit on the combine that collects the weed seed-laden chaff, which can then be placed into piles that are later either grazed by livestock, burnt, or both and sown through the following season. Chaff carts are often chosen for use on mixed cropping and livestock farms in Australia as the chaff is an excellent livestock feed; however, spreading manure back onto fields can allow for further seed spread.

Chaff lining funnels the chaff and weed seeds into narrow rows behind the combine, where the residue is left to overwinter. The weed seeds are exposed to natural elements that can lead to weed seed decay and predation. Typically a follow-up herbicide application is required. – Chaff lining is usually considered a good entry-level HWSC option.

Chaff decks (chaff tramlining) are similar to chaff lining, but place the chaff in one or both of the combine’s wheel tracks. The added compaction from the wheels can be beneficial in controlled traffic systems.

Impact mills run the chaff through a mill that pulverizes (destroys) the weed seed, which is then spread across the fields. This technology is usually considered the ultimate in HWSC.

CHAFF + STRAW

Bale direct collects all the crop residue directly from the combine and compacts it into large bales suitable for sale.

Narrow windrow burning collects all of the crop chaff and straw residue, and funnels it into narrow rows in the field. These rows are burnt to destroy the weed seed. This method is effective but removes all of the crop residue from the field.

Learn More About Each System in This Research Report

Calculate the cost

While each HWSC tactic is similarly effective in collecting weed seeds , they vary considerably in capital and ownership cost, nutrient removal costs, operational costs, and labor costs. Some HWSC tactics involve the purchase of substantial machinery – such as an impact mill, chaff cart, or chaff deck – but the operational and labor costs might be lower than methods such as narrow windrow burning, which involves low set-up costs but higher nutrient losses and labor costs associated with burning. Chaff lining is often chosen as the best entry-level tactic that requires minimal set-up cost, no additional labor and minimal nutrient loss or redistribution. To calculate the cost of each method for your farm you can use a calculator developed by WeedSmart’s Peter Newman. Download the calculator or learn more @ Calculating the cost of HWSC for your farm.

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