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Dud Identification Collective Knowledge.

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Sam_Skunkman

"RESIN BREEDER"
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No as BM has been show to also cause Dud's, and a few other pathogens that cause similar problems.
Life is seldom as simple as only one problem.....
-SamS
 

papaduc

Active member
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I agree. But... and I know this is maybe the hundredth time I've said it... but I still think there are more things than pests and pathogens responsible for some of the growth traits in these plants.

It seems surreal to me people's refusal to take on board the whole aspect of cultivation practices and procedures in relation to how they can be immensely helpful even in mitigating issues caused by pests etc.

It seems accepted that the growers who are having these issues will have done every single thing they can do to mitigate the problem or minimise the effects of it, even though we know not a single thing about whether they have or not.

You know that in outdoor growing especially you deal with pests, and that your best defence against them is a strong plant. Same thing goes for indoor growing.

The question for me still remains... is a pathogen or pest really what made those plants grow like that from the point they were cloned?

Even if we reason the hypothetical and accept that it is the case, it'd still throw up so many more questions regarding why no other measures were taken to correct the issues in growth before the plants were flowered.

Science is fascinating, but the body of our work is the growing of the plants, and when we think we're above making mistakes and we disregard that entire and immense portion of what ultimately makes us successful or not, we're overlooking a massive pool of information which I'm sure nobody in this thread can say they have complete mastery of.

There are gardeners more experienced and knowledgeable than any of us in this thread who still find new ways and tricks, pick up new tips from fellow gardeners, to mitigate issues like stunting, pest damage and weak growth.

But we're saying... no... there's definitely nothing... not a single thing I could have done differently, better... there's nothing that could be done with this plant which could have enabled it to perform better. Not one tip trick or tactic that any gardener in this world knows.

That's a pretty huge statement to make. And it seems to have been accepted.
 

Storm Shadow

Well-known member
Veteran
Nematodes 100%

Take it from those that have the problem and have had it for quite sometime

The link to that awesome book I posted earlier will help anyone understand this problem much more clear....

For the record...

Broad Mites do not cause this type of issue... you can have BM in flower and kill em off ... still harvest dank....not the case with stem nematodes...

Again.... DUDs are not from any MITE.... I would scope my plants everyday for at least an hour for the last few years.... I had BM's and I can assure you they are a joke and as easy to kill as Fungus Gnats/Spider Mites... When your enemy isn't visible until you gut your plants open...that's next level battle..

Look how many people were so off on the problem... crazy shit
 

Sam_Skunkman

"RESIN BREEDER"
Moderator
Veteran
Nematodes 100%

Take it from those that have the problem and have had it for quite sometime

The link to that awesome book I posted earlier will help anyone understand this problem much more clear....

For the record...

Broad Mites do not cause this type of issue... you can have BM in flower and kill em off ... still harvest dank....not the case with stem nematodes...

Again.... DUDs are not from any MITE.... I would scope my plants everyday for at least an hour for the last few years.... I had BM's and I can assure you they are a joke and as easy to kill as Fungus Gnats/Spider Mites... When your enemy isn't visible until you gut your plants open...that's next level battle..

Look how many people were so off on the problem... crazy shit

Not saying you can't kill BM, I am saying people got Dud's from having BM's or from their "TOXIN" they leave when feeding.
What happened to phytoplasmas you did quite a few posts on them....
You seem blinded by the light, first one and then another, I say there are more then one pathogens at the root of this, we will see.
-SamS
 

Storm Shadow

Well-known member
Veteran
Broad Mites do not cause DUDs...by your own admission...you've never had BM or Stem Nematodes...

I was wrong about Phytoplasma... I made that quite clear..... but guess what I wasn't wrong about :)
 

whadeezlrg

Just Say Grow
Veteran
with all due respect papaduc, please give it a rest. We all know that it's all our fault that a small percentage of our plants get these symptoms from time to time...you've already told us this many times...

you seem like a smart enough guy to realize your better off saving your breath than commenting on something that you have never witnessed/experienced firsthand...your post's really aren't helping us get any closer to a solution, re-read them...what applicable content have you provided to this thread? every post you've made is just a spin on "this is all caused by grower error" you have as much evidence of that as you do experience on this issue.
 

Crooked8

Well-known member
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ICMag Donor
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Papa we have made a discovery here. Why can you not get off the grower error thing? You can say that about just about anything. Its becoming a lame argument. Look at the incredible growers that have had this issue. Your redundancy is becoming a bit pathetic, Papathetic even! Chiming in now and reminding us we arent masters and some plants are stronger than others and whatnot, at this point, is, well, just silly. Again, ive had one single dud in a tray fed off of the same res, same environment. I did the exact same thing for the other 31 plants and they were all perfect. Just one dudded, in the middle of a light with great exposure and training like all the others. I did nothing different but one plant suffered. I just cant tell myself oh that was my error when there was literally nothing i could have done to cause it.
 

Seaf0ur

Pagan Extremist
Veteran
Stem nematodes enter bud tissue and migrate into developing buds. Infected stems become enlarged and discolored, nodes swell, and internodes become shorter than those on healthy plants. Alfalfa plants infected with the alfalfa stem nematode have stunted growth, fewer shoots, and deformed buds. As nematode populations increase, lower stems on infected plants may turn black. Long periods of parasitism during moderate temperatures and high humidity may cause stem blackening for 1 foot or more above the ground. Another typical sign of a stem nematode infection is the presence of "white flags," which are branches devoid of chlorophyll. White flags are caused when nematodes start moving to leaf tissue and destroy chloroplasts, leaving pale leaf tissue.


I haven't been following along to be honest... but does the above fit the description of the damage? If so, it is certainly stem nematodes.... however the above damage does not seem to be the damage shown in these "duds".... I've yet to see black stems with white leaves devoid of chlorophyll....

not tryin to be the turd in the punchbowl... but only a small portion of the damage seems to fit the scapegoat pest....
 

xxxstr8edgexxx

Active member
Veteran
hey mikenite69 were they these? some soil mite i found i a potato slice test looking for root aphids a long time ago. i freaked thought they may have been bulb mites i still dont know for sure.
picture.php
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Speaking of coco I don't know if roots organic put soil mites in there blocked coco. My last block I just expanded had these little stupid looking white bugs that everytime I watered would float to the top of the coco and if you looked hard enough you would see them move. They had these little antennas that constantly moved with bulbous body's.

Anyone ever see these things before?? Are they beneficial? They would literally be all over the top of the coco. I did a drench of Azamax and they smiled at it. Then I hit them with insecticidal soap and mosquito dunks and those bastards live no more whatever they were.
 

xxxstr8edgexxx

Active member
Veteran
sorry not trying to derail but i just wanted to add pics to quickly make sure everyone is referring to the same bugs in their descriptions.
 

Storm Shadow

Well-known member
Veteran
I haven't been following along to be honest... but does the above fit the description of the damage? If so, it is certainly stem nematodes.... however the above damage does not seem to be the damage shown in these "duds".... I've yet to see black stems with white leaves devoid of chlorophyll....

not tryin to be the turd in the punchbowl... but only a small portion of the damage seems to fit the scapegoat pest....

http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/prm7899

White Flagging-

White flag symptoms of single alfalfa shoots infected by the alfalfa stem nematode.

Go back and look at the pics in this thread...the ones in flowering

alfalfa_asn2_l.jpg
 

Sam_Skunkman

"RESIN BREEDER"
Moderator
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Broad Mites do not cause DUDs...by your own admission...you've never had BM or Stem Nematodes...

I was wrong about Phytoplasma... I made that quite clear..... but guess what I wasn't wrong about :)

Reread my post 1111, I have seen stem and root nematodes in the EU and elsewhere, I have not had them I knew of, I think I would know, I examine any sickly plant intensely and have access to the local Netherlands Agricultural services to ID pests and diseases/pathogens for many many years here. But if I did not know, I did not know.
-SamS
 

Sam_Skunkman

"RESIN BREEDER"
Moderator
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reading other peoples problems and thinking you can diagnosis them without exp it yourself or being on the frontline in the trenches....doesn't make sense on any level...

as is the case with Broad Mites and Stem Nematodes....

The thread should move in the direction of killing stem nematodes...and nothing else

http://www.alibaba.com/product-detail/Kill-Stem-Nematode-and-Root-knot_1100726822.html

Nothing wrong with me trying to help as I do have more experience with Cannabis Pests and Diseases then anyone in this forum.
I am not trying to say I know more then anyone about everything to do with Pests and Diseases, as I meet people all the time that can maybe add something, but that said, I have been at this a very very long time with many different problems found and solved, and have used for decades, numbers of bio-controls you can only imagine. I know how to ID pests & pathogens pretty well, as well as kill many of them.
And for you to now presume that all Dud's are now 100% from stem nematodes, I think just maybe you are a bit early, and as I have said from the beginning I will be surprised if it is just a single problem, time will tell.
Good luck killing the Stem Nematodes, be careful what you use to kill them as many chemical controls are not allowed with any/all food crops, there is a reason.
-SamS
 

Seaf0ur

Pagan Extremist
Veteran
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/prm7899

White Flagging-

White flag symptoms of single alfalfa shoots infected by the alfalfa stem nematode.

Go back and look at the pics in this thread...the ones in flowering

View Image

I did go back, but didn't see many pics... however, assuming symptoms have been narrowed down to stem nematodes,
here are some sources:

Utah Plant Pest Diagnostic Laboratory - Alfalfa Stem Nematode Factsheet (pdf)
Oklahoma Cooperative Extension Service - Alfalfa Stem Nematode Factsheet (pdf)
University of Illinois College of Agricultural, Consumer and Environmental Sciences - Alfalfa Stem Nematode

These microscopic worm-like pests primarily move through fields in water and infect the above ground portion of the plants (crowns and stems). Feeding damage includes stunted plants with swollen stems that just sit there, hardly growing. Additional symptoms include ‘white flagging’ where individual stems of infected plants appear white in the field, standing out like sore thumbs. Eventually, stand loss occurs when the nematodes injure the crowns, resulting in secondary pathogens moving in and causing crown rot.
Management Recommendations

Equipment sanitation: Infected hay harvesting equipment will carry nematodes in plant and soil residue, so avoid moving contaminated farm machinery from stem nematode infested to clean fields. Harvest nematode-free fields before infested fields. Clean equipment when moving from a stem nematode infested field to a clean field. This can be done using a high-pressure washer or blower, or by cutting grass hay prior to moving back into alfalfa.

Crop rotation: Alfalfa is the primary host for alfalfa stem nematode so rotation with non-host crops such as tomatoes, sunflowers, and wheat on a 2- to 4-year basis will reduce alfalfa stem nematode populations (longer rotations are better). Overseeding with grasses is not a rotation, since even a few alfalfa plants will continue to host the nematodes in the field.

Water management: Although this is hard to prevent in some cases, if water is moving off of infected fields, growers should attempt to prevent this water from moving to non-infected fields, or reduce runoff. High numbers of stem nematode have been found in irrigation and storm water runoff from infected fields. Where water is reused on fields, this may be a major source of infection for healthy fields.

Livestock: Uncomposted manure from animals fed stem nematode infested hay may be a source of this pest. Likewise, animals such as sheep grazing in the alfalfa for winter weed control can move the stem nematode around fields via tracking dirt on their hooves or in manure.

Pesticides: Unfortunately, no nematicides are currently registered for use against the alfalfa stem nematode in established alfalfa fields that control the nematode sufficiently to enhanced yields.

and an interesting sidenote...

Severe infections can also reduce stem numbers and predispose plants to winterkill and other diseases such as bacterial wilt and Fusarium wilt.
 
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