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glyphospate a year old
Does already mixed glyphosphate in the spray bottle lose any affectiveness after a year or so? We have some invasive and difficult to reach bamboo plant between a shed and a wall and need the *maximum* effectiveness. Would that mean spraying a tall piece of bamboo, or cutting it down so as just to spray a few leaves that are nearer to the ground, please? |
#2
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glyphospate a year old
"johngood_____" wrote in message
... Does already mixed glyphosphate in the spray bottle lose any affectiveness after a year or so? We have some invasive and difficult to reach bamboo plant between a shed and a wall and need the *maximum* effectiveness. Would that mean spraying a tall piece of bamboo, or cutting it down so as just to spray a few leaves that are nearer to the ground, please? If you are not in a hurray you could use the already mixed product to see whether it has degraded and become non effective. Best to spray the growing head of the whole bamboo as you will then be maximizing the effects of the chemical. Regards, Emrys Davies. |
#3
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glyphospate a year old
In article ,
"Emrys Davies" wrote: "johngood_____" wrote in message ... Does already mixed glyphosphate in the spray bottle lose any affectiveness after a year or so? We have some invasive and difficult to reach bamboo plant between a shed and a wall and need the *maximum* effectiveness. Would that mean spraying a tall piece of bamboo, or cutting it down so as just to spray a few leaves that are nearer to the ground, please? If you are not in a hurray you could use the already mixed product to see whether it has degraded and become non effective. Best to spray the growing head of the whole bamboo as you will then be maximizing the effects of the chemical. Regards, Emrys Davies. No idea whether it degrades, but it works by being absorbed by the plant and killing it systemically. So for maximum absorption you want maximum leaf area. So put it on now before cutting anything. I don't imagine there will be any difference between the "growing head" (wherever that is on a bamboo) and any other green leaves. Its got to be on the leaves, not the soil near the bamboo. If you don't much care about the space between the shed and the wall, you might try common salt, which bamboos particularly hate, on the soil. |
#4
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glyphospate a year old
"John McMillan" wrote in message ... In article , "Emrys Davies" wrote: "johngood_____" wrote in message ... Does already mixed glyphosphate in the spray bottle lose any affectiveness after a year or so? We have some invasive and difficult to reach bamboo plant between a shed and a wall and need the *maximum* effectiveness. Would that mean spraying a tall piece of bamboo, or cutting it down so as just to spray a few leaves that are nearer to the ground, please? If you are not in a hurray you could use the already mixed product to see whether it has degraded and become non effective. Best to spray the growing head of the whole bamboo as you will then be maximizing the effects of the chemical. Regards, Emrys Davies. No idea whether it degrades, but it works by being absorbed by the plant and killing it systemically. So for maximum absorption you want maximum leaf area. So put it on now before cutting anything. I don't imagine there will be any difference between the "growing head" (wherever that is on a bamboo) and any other green leaves. Its got to be on the leaves, not the soil near the bamboo. If you don't much care about the space between the shed and the wall, you might try common salt, which bamboos particularly hate, on the soil. Thanks to all. With regard to the salt, would its effect on the soil be long lasting? Or might I be able to grow something there if i wanted to after a year or two? ( I guess i'm asking how long the salt might take to break down and neutralise in the soil). Thanks. |
#5
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glyphospate a year old
In article ,
"johngood_____" wrote: "John McMillan" wrote in message ... In article , "Emrys Davies" wrote: "johngood_____" wrote in message ... Does already mixed glyphosphate in the spray bottle lose any affectiveness after a year or so? We have some invasive and difficult to reach bamboo plant between a shed and a wall and need the *maximum* effectiveness. Would that mean spraying a tall piece of bamboo, or cutting it down so as just to spray a few leaves that are nearer to the ground, please? If you are not in a hurray you could use the already mixed product to see whether it has degraded and become non effective. Best to spray the growing head of the whole bamboo as you will then be maximizing the effects of the chemical. Regards, Emrys Davies. No idea whether it degrades, but it works by being absorbed by the plant and killing it systemically. So for maximum absorption you want maximum leaf area. So put it on now before cutting anything. I don't imagine there will be any difference between the "growing head" (wherever that is on a bamboo) and any other green leaves. Its got to be on the leaves, not the soil near the bamboo. If you don't much care about the space between the shed and the wall, you might try common salt, which bamboos particularly hate, on the soil. Thanks to all. With regard to the salt, would its effect on the soil be long lasting? Or might I be able to grow something there if i wanted to after a year or two? ( I guess i'm asking how long the salt might take to break down and neutralise in the soil). Thanks. I don't imagine salt would ever break down or neutralise. Given enough rainfall it would wash out, depending on your drainage and how much you'd put on. If your soil has a lot of clay I'd guess the salt would persist many years. Some plants don't mind salt and live in salty environments. Most such plants are beach and cliff dwellers that prefer an open aspect. If you want to re-use the soil and space without problems in as short a time as possible, then go for the glyphosate. I only mentioned the salt since I thought the space between the shed and wall was inaccessible and unwanted. |
#6
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glyphospate a year old
On Tue, 14 Aug 2007 09:49:39 GMT, "johngood_____"
wrote: "John McMillan" wrote in message ... In article , "Emrys Davies" wrote: "johngood_____" wrote in message ... Does already mixed glyphosphate in the spray bottle lose any affectiveness after a year or so? We have some invasive and difficult to reach bamboo plant between a shed and a wall and need the *maximum* effectiveness. Would that mean spraying a tall piece of bamboo, or cutting it down so as just to spray a few leaves that are nearer to the ground, please? If you are not in a hurray you could use the already mixed product to see whether it has degraded and become non effective. Best to spray the growing head of the whole bamboo as you will then be maximizing the effects of the chemical. Regards, Emrys Davies. No idea whether it degrades, but it works by being absorbed by the plant and killing it systemically. So for maximum absorption you want maximum leaf area. So put it on now before cutting anything. I don't imagine there will be any difference between the "growing head" (wherever that is on a bamboo) and any other green leaves. Its got to be on the leaves, not the soil near the bamboo. If you don't much care about the space between the shed and the wall, you might try common salt, which bamboos particularly hate, on the soil. Thanks to all. With regard to the salt, would its effect on the soil be long lasting? Or might I be able to grow something there if i wanted to after a year or two? ( I guess i'm asking how long the salt might take to break down and neutralise in the soil). Thanks. Salt (i.e. common salt) doesn't actually break down or neutralise. All that happens is that it eventually gets leached out of the soil by rain and ground-water movement. How long this takes very much depends on the type of soil: thin sandy soils will clear much faster than heavy clay, for example. I'd stick with glyphosate. AIUI it degrades quite quickly in the soil. I find even old glyphosate quite effective. Spray it on and see. -- Chris E-mail: christopher[dot]hogg[at]virgin[dot]net |
#7
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glyphospate a year old
On Aug 15, 6:04 pm, Chris Hogg wrote:
On Tue, 14 Aug 2007 09:49:39 GMT, "johngood_____" wrote: "John McMillan" wrote in message ... In article , "Emrys Davies" wrote: "johngood_____" wrote in message ... Does already mixed glyphosphate in the spray bottle lose any affectiveness after a year or so? We have some invasive and difficult to reach bamboo plant between a shed and a wall and need the *maximum* effectiveness. Would that mean spraying a tall piece of bamboo, or cutting it down so as just to spray a few leaves that are nearer to the ground, please? If you are not in a hurray you could use the already mixed product to see whether it has degraded and become non effective. Best to spray the growing head of the whole bamboo as you will then be maximizing the effects of the chemical. Regards, Emrys Davies. No idea whether it degrades, but it works by being absorbed by the plant and killing it systemically. So for maximum absorption you want maximum leaf area. So put it on now before cutting anything. I don't imagine there will be any difference between the "growing head" (wherever that is on a bamboo) and any other green leaves. Its got to be on the leaves, not the soil near the bamboo. If you don't much care about the space between the shed and the wall, you might try common salt, which bamboos particularly hate, on the soil. Thanks to all. With regard to the salt, would its effect on the soil be long lasting? Or might I be able to grow something there if i wanted to after a year or two? ( I guess i'm asking how long the salt might take to break down and neutralise in the soil). Thanks. Salt (i.e. common salt) doesn't actually break down or neutralise. All that happens is that it eventually gets leached out of the soil by rain and ground-water movement. How long this takes very much depends on the type of soil: thin sandy soils will clear much faster than heavy clay, for example. I'd stick with glyphosate. AIUI it degrades quite quickly in the soil. I find even old glyphosate quite effective. Spray it on and see. -- Chris E-mail: christopher[dot]hogg[at]virgin[dot]net- Hide quoted text - - Show quoted text - We had half a 5 gallon back-pack sprayer full left for a year, it worked fine. Judith |
#8
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glyphospate a year old
On Aug 16, 10:59 am, Martin wrote:
On Wed, 15 Aug 2007 20:00:50 -0000, " wrote: On Aug 15, 6:04 pm, Chris Hogg wrote: On Tue, 14 Aug 2007 09:49:39 GMT, "johngood_____" wrote: "John McMillan" wrote in message ... In article , "Emrys Davies" wrote: "johngood_____" wrote in message ... Does already mixed glyphosphate in the spray bottle lose any affectiveness after a year or so? We have some invasive and difficult to reach bamboo plant between a shed and a wall and need the *maximum* effectiveness. Would that mean spraying a tall piece of bamboo, or cutting it down so as just to spray a few leaves that are nearer to the ground, please? If you are not in a hurray you could use the already mixed product to see whether it has degraded and become non effective. Best to spray the growing head of the whole bamboo as you will then be maximizing the effects of the chemical. Regards, Emrys Davies. No idea whether it degrades, but it works by being absorbed by the plant and killing it systemically. So for maximum absorption you want maximum leaf area. So put it on now before cutting anything. I don't imagine there will be any difference between the "growing head" (wherever that is on a bamboo) and any other green leaves. Its got to be on the leaves, not the soil near the bamboo. If you don't much care about the space between the shed and the wall, you might try common salt, which bamboos particularly hate, on the soil. Thanks to all. With regard to the salt, would its effect on the soil be long lasting? Or might I be able to grow something there if i wanted to after a year or two? ( I guess i'm asking how long the salt might take to break down and neutralise in the soil). Thanks. Salt (i.e. common salt) doesn't actually break down or neutralise. All that happens is that it eventually gets leached out of the soil by rain and ground-water movement. How long this takes very much depends on the type of soil: thin sandy soils will clear much faster than heavy clay, for example. I'd stick with glyphosate. AIUI it degrades quite quickly in the soil. I find even old glyphosate quite effective. Spray it on and see. -- Chris E-mail: christopher[dot]hogg[at]virgin[dot]net- Hide quoted text - - Show quoted text - We had half a 5 gallon back-pack sprayer full left for a year, it worked fine. If OP had tried it, when OP first posted, OP would know the answer by now. :-) -- Martin- Hide quoted text - - Show quoted text - The moral is "Try it and see?" :-)) Judith |
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