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annabel__wa

Graham Ross and glyphosphate

21 years ago

Did anyone else see the first episode of BHG? It concerned a sick Tibouchina growing next to where another tree had been cot down but refused to die and had been given several doses of glyphosphate. Graham said that it was a new concept but that there were recorded cases of plants next to sprayed ones being affected if the roots came in contact. Exactly what I, myself, and you guys have been finding out with roses!!! With me it was from kikuyu grass roots and roses.

Comments (25)

  • 21 years ago

    It might be a new concept to Graham Ross-he is NOT my idea of a knowledgeable gardener-rather just a television 'personality'.
    I can't stand to watch him any more-that chuckley way he has of talking throws me right off-might be bearable if he had something significant to say.
    Hmmmmmmmm all rather harsh but that is how I feel.
    regards
    sandie

  • 21 years ago

    It's the same as the ABC sacking Kevin Heinz.. a delightful, knowedgable and down to earth man gets the sack after many wonderful years, to be replaced by a more "modern" person.
    The world is aimed at the young today *sigh*
    Maybe Graham Ross's researchers read this forum..

    I have a REAL problem, a !#%%%!$#^!! paspalum has managed to seed right in the middle of my Bishop Darlington. The darned thing's roots are totally intertwined - as I found when trying top ull it up and half lifting the rose out of the ground.
    IF I use glyphosphate, I can bet 100% I will lose the rose. The bloody stuff DOES translocate.. What am I to do...
    Advice happily accepted.

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  • 21 years ago

    Sandy, i agree with your thoughts. These shows promote whichever product they get paid more to talk about. I didnt see the show but am a little confused with the product you are talking about. What is glyphosphate?
    Are you meaning glyphosate and have added a few letters ?
    I am sorry for the people that have lost roses and have had trouble with translocation, but i still have never had any bad results from round up, glyphosate, or any of the other generic brand herbicides.

  • 21 years ago

    Sorry!! Either I have mis-spelt it or they have simplified the name. It's Glyophosate 360 on the bottle. I get fed up with gardening experts too, sometimes, because we in WA have a different summer climate to the east. But it was just "the few recorded cases" that got to me.

  • 21 years ago

    Fran

    Can't you just cut the top 'head' off the paspalum as I read recently that's good enough to get rid of them and they don't regenerate from the tap root....Just a thought and yes I do agree with the translocating business. I've had a few roses this year that have been 'tardy' in growth with 'sick' leaves and I'm sure it's due to the roundup on the weeds I gave nearby...The rest of the roses were terrific....

    Garry

  • 21 years ago

    Maybe invest in some Fusilade????

  • 21 years ago

    I've had the odd accident with glypho but I just assumed it was spray drift, not translocation.

    Onion weed is the number one pest for me, but I've heard that the glypho isn't all that good at killing clusters of bulbs. So it can't translocate very well on that score. Nowadays I avoid risk and just dig it up.

  • 21 years ago

    I had not connected the two as I had been so careful and assumed it was the sudden hot weather, the sea breeze, anything. But when a second potted rose died I did begin to wonder. How on earth do I get rid of my Kikuyu near the rose bed now??

  • 21 years ago

    Hang on now, Graham Ross is not that young. Here is an extract from the Groundforce web page.

    "Graham began his career when he started work at his local nursery during his final school years. He went on to graduate from the Ryde School of Horticultural TAFE in 1964 with postgraduate qualifications in Park Administration, Greenkeeping and Agronomy. Graham then worked as a landscaper, nurseryman and park superintendent for several years, before returning to Ryde TAFE in 1970 to teach horticulture. He was soon promoted to Senior Head Teacher of Horticulture, a position he held until 1980.

    In the early 1970s Graham made the move into the media. He began producing and presenting gardening programs for television in 1973, and started a regular gardening segment on the Seven Network's 11AM in 1980. Graham was gardening editor for Sydney's Daily Telegraph for four years and worked on the former Sun newspaper in Sydney for 10 years.

    Over the years Graham has been involved with several professional and industry associations, including the Royal Botanical Garden Trust and the Royal Horticultural Society of NSW. He is currently patron of the NSW Rose Society and also supports the Sydney International Garden Festival 2000 project."

    I am a Graduate of Ryde TAFE but I was there after Graham. He was mentioned in generally glowing terms by those who remembered him. I am not a great fan of him myself, as he tends to "sell" stuff too much. However he certainly has a lot of experience and knowledge.

  • 21 years ago

    Annabel, Fusilade will slow the kikuyu down and you will have to repeat this, It is safe as it comes from another family of herbicides. It lives with the grass killers that come under mono, being single, glyso, is systemic and non selective. If you wanted to kill a plant with broad leaves you use a chemical that is of a makeup of dicot(meaning TWO). As for paspalum, if this is still on the market, PASTOX will help. Your (friendly) bowling club or golf club might have some of these chemicals if you ask politely, Regards David

  • 21 years ago

    Thanks, rose_man. I'll try the local hardware store as well, but I can't recall seeing the name on the shelves.

  • 21 years ago

    Rural Supplies (in most towns with rural focus) sell it for $498.00 for 5 litres. I do not have that kind of money

  • 21 years ago

    Most of the presenters on gardening shows have had their own nurseries and some have a degree in horticulture. I had a feeling that Graham was one of these. You need a lot of knowledge to take overseas gardening tours.

  • 21 years ago

    :-(((((( Fusilade is only available in 5litre lots at the local rural supplies. I have to go to Bunnings, but do not expect any joy there. The kikuyu seems to be coming back stronger than ever.

  • 21 years ago

    The first experiment was not done in soil. In clay probably very little effect would of been seen due to strong absorption; but in a soil without a lot of metal ions or in a heavily organic soil the first experiment indicates to me that the roots are capable of taking up some of the glyphosate even if root to root contact does not exist. It appears that whatever spray reaches the ground near other plants can cause problems in some types of soils. The second experiment appears to support this.


    Title: Differential phytotoxicity of glyphosate in maize seedlings following applications to roots or shoot
    Published in: Weed Research, volumn 45, page 27, (2005).

    Authors: C ALISTER*, M KOGAN* & I PINO
    Abstract: "The transport and differential phytotoxicity of glyphosate was investigated in maize seedlings following application of the herbicide to either roots or shoots. One-leaf maize seedlings (Zea mays L.) were maintained in graduated cylinders (250 mL) containing nutrient solution. Half of the test plants were placed in cylinders (100 mL) containing different 14C-glyphosate concentrations; the remainder received foliar appliation of 14C-glyphosate. After 26 h, the roots and the treated leaves were washed with distilled water, and the plants placed again in cylinders (250 mL) containing fresh nutrient solution for 5 days. Plants were weighed, and split into root, seed, cotyledon, coleoptile, mesocotyl, first leaf and apex. The recovery of 14C-glyphosate was over 86%. For both application treatments, the shoot apex was the major sink of the mobilized glyphosate (47.9 ± 2.93% for root absorption and 45.8 ± 2.91% for foliar absorption). Expressed on a tissue fresh weight basis, approximately 0.26 g a.e. g1 of glyphosate in the apex produced a 50% reduction of plant fresh weight (ED50) when the herbicide was applied to the root. However, the ED50 following foliar absorption was only 0.042 g a.e. g1 in the apex, thus maize seedlings were much more sensitive to foliar application of the herbicide."
    http://www.blackwell-synergy.com/links/doi/10.1111/j.1365-3180.2004.00424.x/abs/
    ------------------------------------------
    Title: Glyphosate residues in a sandy soil affect tomato transplants.

    Author: Comish, P. S.

    Author affiliation: Hortic. Res. Advis. Stn., NSW Agric., Gosford, Australia.

    Published in: Australian Journal of Experimental Agriculture, volumn 32, pages 395-399, (1992).

    Abstract: "Glyphosate residues in a loamy sand soil were suspected of damaging transplanted tomatoes at Gosford in 1990. Field and glasshouse expts. were conducted to det. whether phytotoxic residues of glyphosate persist in this soil type and, if so, under what conditions. In the glasshouse expt, visible symptoms of glyphosate toxicity occurred in tomato seedlings transplanted into soil that was sprayed 1, 5 or 15 days earlier with glyphosate (360 g/L) at 4 L product/ha. Glyphosate also reduced plant dry wt. (16 days after...

  • 21 years ago

    Soil type differences may explain why some, such as Barb and Lozza find round up can affect roses while I do not. My use of Round-up here in Kangaroo Valley on loamy or loam and clay mix soil has no effects on my roses given that I spray with a narrow and very directional sprayer and so get no drift. I do spray under the roses to get at the clingy overtaking horrible violet-type plant that chokes everything. I also use the round up at a heavier than recommended concentration (because I am impatient) and find it kills couch and all my weeds as well as the ever kikkiyu.

  • 21 years ago

    The phytotoxicity of glyphosate residues in this loamy sand results from a combination of inherently low P sorption capacity and application of superphosphate, leading to low adsorption of glyphosate by soil. This may be exacerbated when dry conditions occur between application and planting. Thus, a plant-back period of 3 wk could be considered safe when transplanting tomatoes into this sandy soil, provided some mixing of soil occurs at transplanting. It is recommended that farmers perform a simple bioassay to confirm safety

    hmm might explain things up on my rocky hill. No WAY can it come within cooee of a rose, and to dab a big weed that's entrencehd itself aorund the feet of the rose so you can't get at it for prickles is just murdering the rose.

    This needs to be wider known. It's tragic to los a rose you have loved for years in this way.

  • 21 years ago

    what makes me laugh........can anyone tell me how long these herbicides have been on the market?....and what did commercial growers use before them?...the answer may surprise!!!!..kevarose....try your round-up etc mixed at normal rates...maybe on just one bed?....most people up the rates thinking it will work better- in fact it just burns and doesn't do the job intended.....just a thought

  • 21 years ago

    We need glyphosate resistant roses, just like those genetically engineered crop seeds that Mosanto churns out.

  • 21 years ago

    Hi all, I just have to say that I agree wholeheartedly with Sandie. I am no Graham Ross fan. I watch the show in spite of him. I was really hoping this year would bring a change...but there you go! I was amazed to read his credentials. I find it hard to take him seriously...he sounds like he makes it up as he goes along. Cheers, Dee.

  • 21 years ago

    After reading the above notes on getting rid of grass around roses mainly couch what is safe please.

  • 21 years ago

    Fusilade kills grass and is safe with roses but is expensive.

    regards Deryn

  • 21 years ago

    sure but ......fusilade and such are getting onto the stronger chems...most of the domestic chems that you will buy...whilst always treated as toxic...are so pathetic...etc etc.....once you get onto commercial chems( such as fusilade etc) it all gets a bit more serious.....yes fusilade kills thin leaf weeds...yes its safe with roses (unlike round-up etc)...but would i recommend it to one of my retail clients?.....sometimes....just my thoughts.

  • 21 years ago

    perhaps deryn has some ideas for couch and kikyu in different rose beds in the hills ( lesmurdie)..have used glypho on the kikyu but have only pulled ( or rather tried to pull) the couch out manually but what ajob!!!

  • 21 years ago

    Fusilade for Paspalum. A tap root you say? Have you dug up a clump of paspalum? Fran, Fusilade for you. Too late now. Wait until actively growing. Say from Xmas on. Sure it's dear, but it is most effective. Roses completely impervious to Fusilade. Different animals.

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