Study shows glyphosates damage soil bacteria
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6 years ago
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soil bacteria Rhodococcus fascians
Comments (13)Here's a Calendula plant gone wack-o. Calendula has been self sowing in our garden for years. And now this. And these affected plants are throughout our 1/4 acre garden. I would guess that "it" affected 40% of the susceptible varieties. The main thoughts after talking to many, many experienced research people and gardeners is that it's best to garden somewhere else for a few years. Ha, it's not that easy. My thought has been that since our soil is so compost based, I need at add some other sources of nutrient, like this wood chip compost. And also incorporate more crop rotation with bigger patches of legumes and grains. Like maybe 1/3 in legumes (beans, peas, try lentils) and 1/3 in grain. It doesn't need more fertility, it's very lush already. Somehow that needs to be brought down a bit, crazy, eh? Any other ideas?...See MoreApple Crabtree suckers and glyphosate
Comments (9)Thanks everybody for your help and advice, highly appreciated ! Dan, I think that source I mentioned in my original post is quite reputable and it seems to be the only scientific based research on glyphosate effect in Fruit trees. I perfectly understand how glyphosate works, but the statement from research paper that "glyphosate has shown promise as a desuckering agent" made me hopeful (being a newb) that perhaps it might be useful in trying to get rid of these pesky suckers for good. My thinking was that the root that these suckers come from was somehow ok to get rid of :( Well, I guess back to ripping those suckers ! :) One more question: would spraying these suckers with vinegar do any damage to the tree ? My understanding is that vinegar does not affect root system, rather kills top of the plant. Thanks again ! Davie....See MoreNew study: Roundup
Comments (14)Here is another study showing negative effects on frog, brought to you via Prof. joe cummins. ------------------------------------------------------- The current work comes on the heals of French work showing strong effects of the herbicide on animal reproduction after exposure to levels of herbicide on tenth the level recommended for spraying. Glyphosate should be re-evaluated by EPA at this time. However, the response from the regulators will likely be a pr campaign defending the pesticide rather than the frogs. Can the planet live after the frogs are all wiped out? We may be shocked at the impact of the end of frogs may have on the framework of life on the planet. Ecological Applications, 15(2), 2005, pp. 618Â627 THE IMPACT OF INSECTICIDES AND HERBICIDES ON THE BIODIVERSITY AND PRODUCTIVITY OF AQUATIC COMMUNITIES RICK A. RELYEA1 Department of Biological Sciences, 101 Clapp Hall, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 USA Abstract. Pesticides constitute a major anthropogenic addition to natural communities. In aquatic communities, a great majority of pesticide impacts are determined from singlespecies experiments conducted under laboratory conditions. Although this is an essential protocol to rapidly identify the direct impacts of pesticides on organisms, it prevents an assessment of direct and indirect pesticide effects on organisms embedded in their natural ecological contexts. In this study, I examined the impact of four globally common pesticides (two insecticides, carbaryl [Sevin] and malathion; two herbicides, glyphosate [Roundup] and 2,4-D) on the biodiversity of aquatic communities containing algae and 25 species of animals. Species richness was reduced by 15% with Sevin, 30% with malathion, and 22% with Roundup, whereas 2,4-D had no effect. Both insecticides reduced zooplankton diversity by eliminating cladocerans but not copepods (the latter increased in abundance). The insecticides also reduced the diversity and biomass of predatory insects and had an apparent indirect positive effect on several species of tadpoles, but had no effect on snails. The two herbicides had no effects on zooplankton, insect predators, or snails. Moreover, the herbicide 2,4-D had no effect on tadpoles. However, Roundup completely eliminated two species of tadpoles and nearly exterminated a third species, resulting in a 70% decline in the species richness of tadpoles. This study represents one of the most extensive experimental investigations of pesticide effects on aquatic communities and offers a comprehensive perspective on the impacts of pesticides when nontarget organisms are examined under ecologically relevant conditions....See MoreReseeding Plan - glyphosate or not?
Comments (56)Some are overachievers and worse, morning people. I had germination on day 5 in absolutely terrible weather conditions. Some of your seed will be slackers and sit around playing their X-Box, finally getting around to sprouting sometime close to day 30. Cultivars vary in their sprout date as well. If memory servers, and it might not, the Compact-America grasses sprout a little faster while Compact-Midnight group grasses are notoriously slow. It's a great indication that you're providing good sprouting conditions, though, so you know you're doing everything right....See Morewayne_5 zone 6a Central Indiana
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