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Old 07-01-2004, 12:08 AM
Paul Sutphen
 
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After reading Diana Walsted's book, I am wondering if the Vall is being
killed by dwarf Saggitaria. What is happening is that the Vall which always
was healthy began to uproot after the Saggitaria began taking over. The
Vall roots are brown, short and look rooted. Diana devoted a lot of her
book on plant allelapathy (sp?) where one plant specie in order to survive
can produce poisonous chemicals that kill other invasive plants. Im am
looking for any readers who may have experienced similar results between
Vall and Saggitaria.



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Old 07-01-2004, 12:26 AM
Dunter Powries
 
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Paul Sutphen wrote in message
news
After reading Diana Walsted's book, I am wondering if the Vall is being
killed by dwarf Saggitaria. What is happening is that the Vall which
always
was healthy began to uproot after the Saggitaria began taking over. The
Vall roots are brown, short and look rooted. Diana devoted a lot of her
book on plant allelapathy (sp?) where one plant specie in order to survive
can produce poisonous chemicals that kill other invasive plants. Im am
looking for any readers who may have experienced similar results between
Vall and Saggitaria.


I have never had good results growing both sags and vals. Leigh and I had
noted some time ago that she could grow dwarf hairgrass but not lileaopsis,
while I had good luck with lileaopsis but not dwarf hairgrass.

These are examples of plants which occupy very similar environmental niches
and have very similar growing requirements to each other. I think it is
more likely that if one or more condition in a closed system is even only
very marginally more favourable to one species over the other then that
species will quite quickly outcompete and replace the other.

kush


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Old 07-01-2004, 05:33 PM
 
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"Paul Sutphen" wrote in message hlink.net...
After reading Diana Walsted's book, I am wondering if the Vall is being
killed by dwarf Saggitaria. What is happening is that the Vall which always
was healthy began to uproot after the Saggitaria began taking over. The
Vall roots are brown, short and look rooted. Diana devoted a lot of her
book on plant allelapathy (sp?) where one plant specie in order to survive
can produce poisonous chemicals that kill other invasive plants. Im am
looking for any readers who may have experienced similar results between
Vall and Saggitaria.


I've never had problems growing any two or more plants together, these
included.

If you have any doubts to this notion of Vals ansd Sag's growing
together:
please come to Florida where I can show anyone several miles of
numerous rivers that have both Sags and Vals in very high
concentrations living in the same river side by side.

Diana Walstad book is based on NON CO2 method and no water changes,
often 3-6 months at time. In any event, she acknowledges that it is a
wild card.

There is little evidence in an natural system to suggest that this
takes place in any aquatic environment and then effects would be
subtle at best. A plant in an aquatic evnvironemtn has not idea if
it's in a large or small lake, river where everything would
transported down stream etc.

Regards,
Tom Barr
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Old 07-01-2004, 05:49 PM
 
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"Paul Sutphen" wrote in message hlink.net...
After reading Diana Walsted's book, I am wondering if the Vall is being
killed by dwarf Saggitaria. What is happening is that the Vall which always
was healthy began to uproot after the Saggitaria began taking over. The
Vall roots are brown, short and look rooted. Diana devoted a lot of her
book on plant allelapathy (sp?) where one plant specie in order to survive
can produce poisonous chemicals that kill other invasive plants. Im am
looking for any readers who may have experienced similar results between
Vall and Saggitaria.


I've never had problems growing any two or more plants together, these
included.

If you have any doubts to this notion of Vals ansd Sag's growing
together:
please come to Florida where I can show anyone several miles of
numerous rivers that have both Sags and Vals in very high
concentrations living in the same river side by side.

Diana Walstad book is based on NON CO2 method and no water changes,
often 3-6 months at time. In any event, she acknowledges that it is a
wild card.

There is little evidence in an natural system to suggest that this
takes place in any aquatic environment and then effects would be
subtle at best. A plant in an aquatic evnvironemtn has not idea if
it's in a large or small lake, river where everything would
transported down stream etc.

Regards,
Tom Barr
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Old 07-01-2004, 06:06 PM
 
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"Paul Sutphen" wrote in message hlink.net...
After reading Diana Walsted's book, I am wondering if the Vall is being
killed by dwarf Saggitaria. What is happening is that the Vall which always
was healthy began to uproot after the Saggitaria began taking over. The
Vall roots are brown, short and look rooted. Diana devoted a lot of her
book on plant allelapathy (sp?) where one plant specie in order to survive
can produce poisonous chemicals that kill other invasive plants. Im am
looking for any readers who may have experienced similar results between
Vall and Saggitaria.


I've never had problems growing any two or more plants together, these
included.

If you have any doubts to this notion of Vals ansd Sag's growing
together:
please come to Florida where I can show anyone several miles of
numerous rivers that have both Sags and Vals in very high
concentrations living in the same river side by side.

Diana Walstad book is based on NON CO2 method and no water changes,
often 3-6 months at time. In any event, she acknowledges that it is a
wild card.

There is little evidence in an natural system to suggest that this
takes place in any aquatic environment and then effects would be
subtle at best. A plant in an aquatic evnvironemtn has not idea if
it's in a large or small lake, river where everything would
transported down stream etc.

Regards,
Tom Barr


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Old 07-01-2004, 06:38 PM
 
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"Paul Sutphen" wrote in message hlink.net...
After reading Diana Walsted's book, I am wondering if the Vall is being
killed by dwarf Saggitaria. What is happening is that the Vall which always
was healthy began to uproot after the Saggitaria began taking over. The
Vall roots are brown, short and look rooted. Diana devoted a lot of her
book on plant allelapathy (sp?) where one plant specie in order to survive
can produce poisonous chemicals that kill other invasive plants. Im am
looking for any readers who may have experienced similar results between
Vall and Saggitaria.


I've never had problems growing any two or more plants together, these
included.

If you have any doubts to this notion of Vals ansd Sag's growing
together:
please come to Florida where I can show anyone several miles of
numerous rivers that have both Sags and Vals in very high
concentrations living in the same river side by side.

Diana Walstad book is based on NON CO2 method and no water changes,
often 3-6 months at time. In any event, she acknowledges that it is a
wild card.

There is little evidence in an natural system to suggest that this
takes place in any aquatic environment and then effects would be
subtle at best. A plant in an aquatic evnvironemtn has not idea if
it's in a large or small lake, river where everything would
transported down stream etc.

Regards,
Tom Barr
  #7   Report Post  
Old 07-01-2004, 06:38 PM
 
Posts: n/a
Default Plant Interactions

"Paul Sutphen" wrote in message hlink.net...
After reading Diana Walsted's book, I am wondering if the Vall is being
killed by dwarf Saggitaria. What is happening is that the Vall which always
was healthy began to uproot after the Saggitaria began taking over. The
Vall roots are brown, short and look rooted. Diana devoted a lot of her
book on plant allelapathy (sp?) where one plant specie in order to survive
can produce poisonous chemicals that kill other invasive plants. Im am
looking for any readers who may have experienced similar results between
Vall and Saggitaria.


I've never had problems growing any two or more plants together, these
included.

If you have any doubts to this notion of Vals ansd Sag's growing
together:
please come to Florida where I can show anyone several miles of
numerous rivers that have both Sags and Vals in very high
concentrations living in the same river side by side.

Diana Walstad book is based on NON CO2 method and no water changes,
often 3-6 months at time. In any event, she acknowledges that it is a
wild card.

There is little evidence in an natural system to suggest that this
takes place in any aquatic environment and then effects would be
subtle at best. A plant in an aquatic evnvironemtn has not idea if
it's in a large or small lake, river where everything would
transported down stream etc.

Regards,
Tom Barr


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