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Re: Toledo Bend Hydrilla [Re: blueduck] #11758195 08/04/16 02:08 PM
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Fish2222 Offline
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I've read that high water at the wrong time is the biggest factor in grass die-off. If water is too high and dirty in late spring the grass dies after using most of it's energy to set roots in the early spring.

Looking at the chart posted above, I'll buy it.

Last edited by Fish2222; 08/04/16 02:08 PM.

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Re: Toledo Bend Hydrilla [Re: blueduck] #11758359 08/04/16 03:35 PM
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Texascajun69 Offline
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There is grass to be found in a lot of places. Not so much out deep. Slaughter is full just about all the way to the back of the cove. I started fishing t-bend with my dad when the trees in the middle of the lake had green leaves on them. I joined a bass club in 1974 that fished 12 tournaments a year there. The grass has always fluctuated. If you look the lake got hit with a double whammy. It was over 10 ft. low for almost 2 years. (Hydrilla doesn't grow well on dry ground). Then when the lake die rise it came way up and stayed that way for almost 2 yrs. This did not fair well for the growth of the grass. But I do want to point out in the mid 80's there was a grass virus that pretty much cleaned the lake of grass for almost 2 yrs. and it came back. I think these die offs are good in the long run. Lake has been voted best in the country 2 yrs.in a row. I wouldn't worry. Enjoy throwing a sq. bill in 5-8 feet of water. You want be able to do that very often this time of year.


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Re: Toledo Bend Hydrilla [Re: Razorback] #11758611 08/04/16 06:01 PM
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lamoon78 Offline
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Originally Posted By: Razorback
Here are graphs showing Toledo Bend's water level for the last year and over the last 45 years. Other than dropping really low in about 2012, when were the huge fluctuations in water level that would have killed the hydrilla? We spent several days down there in October of 2014 and the lake was full of grass from Palo Gaucho south to at least Six Mile. To my knowledge the lake level hasn't changed drastically since then.

I don't see anything in these charts that shows Toledo Bend fluctuating any more recently than is has over the last few decades. If the grass didn't die then, why now?

http://waterdatafortexas.org/reservoirs/individual/toledo-bend

Click on the "Historical" tab to see past years.
True it has not been high like say Rayburn but this year it did get to over 2 foot above pool but the biggest problem the last 2 years is the lake has basically been at full pool and dirty which is what happened to the grass.

Re: Toledo Bend Hydrilla [Re: Texascajun69] #11758844 08/04/16 08:05 PM
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jhall239 Offline
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Originally Posted By: Texascajun69
There is grass to be found in a lot of places. Not so much out deep. Slaughter is full just about all the way to the back of the cove.


This is good, there wasn't hardly any in there in May well that I found anyway


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Re: Toledo Bend Hydrilla [Re: blueduck] #11759897 08/05/16 01:40 PM
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Neal G Offline
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The South end of Toledo Bend does not get real dirty and definitely not dirty for long periods of time. If more people fished out their regional areas more often the definition of what dirty/muddy, cold, high flow water looked like would be much more consistent.

Thinking that 2 foot high water causes a massive grass (Hydrilla, Milfoil, Coontail, Pondweed) kill at anytime of the year is very hard to believe. There are lakes and river systems that fluctuate much more and have high current flows throughout the country.

The Toledo Bend lake level may have not have had many instances of being over full pool in the past twenty years but it still fluctuated regularly.

Something else helped kill the grass(es). Whether it was due to natural cycles, virus, herbicides, Martians - I don't know....

Re: Toledo Bend Hydrilla [Re: Neal G] #11760163 08/05/16 03:58 PM
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Chris B Online Content
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Originally Posted By: Neal G
The South end of Toledo Bend does not get real dirty and definitely not dirty for long periods of time. If more people fished out their regional areas more often the definition of what dirty/muddy, cold, high flow water looked like would be much more consistent.

Thinking that 2 foot high water causes a massive grass (Hydrilla, Milfoil, Coontail, Pondweed) kill at anytime of the year is very hard to believe. There are lakes and river systems that fluctuate much more and have high current flows throughout the country.

The Toledo Bend lake level may have not have had many instances of being over full pool in the past twenty years but it still fluctuated regularly.

Something else helped kill the grass(es). Whether it was due to natural cycles, virus, herbicides, Martians - I don't know....

I was down there this March when the entire lake, including the south end, turned to chocolate milk. That part is correct but the grass was already gone in most spots I fished. I can't help but wonder if there was some spraying for the sylvania that killed the hydrilla.


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Re: Toledo Bend Hydrilla [Re: blueduck] #11760695 08/05/16 09:34 PM
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Preacher Ed Offline
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Look at it like this, in the next year or 2 when the fishing drops off, everyone will be able to argue about why the fishing is poor. Is it because there is no grass like there once was, or because of the increase in fishing pressure (because of #1 ranking in US) and so many fish killed due to poor fish management during all the tournaments and people keeping the fish to eat. It is what makes these forums entertaining-our opinions!

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