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Stracraft says: "Genetics, friend or foe? I can only speak to plant genetics, and of course, the advances in plant genetics in the last 20 yrs is astounding! In my lifetime alone, corn yields have doubled on the same acreage".
Originally posted by starcraft
reply to post by Zepherian
How come folks aren't touting the benefits of reduced pesticide usage on these modified plants?
Cell-cycle dysregulation is a hallmark of tumor cells and human cancers. Failure in the cell-cycle checkpoints leads to genomic instability and subsequent development of cancers from the initial affected cell. A worldwide used product Roundup 3plus, based on glyphosate as the active herbicide, was suggested to be of human health concern since it induced cell cycle dysfunction as judged from analysis of the first cell division of sea urchin embryos, a recognized model for cell cycle studies.
Several glyphosate-based pesticides from different manufacturers were assayed in comparison with Roundup 3plus for their ability to interfere with the cell cycle regulation. All the tested products, Amega, Cargly, Cosmic, and Roundup Biovert induced cell cycle dysfunction.
The threshold concentration for induction of cell cycle dysfunction was evaluated for each product and suggests high risk by inhalation for people in the vicinity of the pesticide handling sprayed at 500 to 4000 times higher dose than the cell-cycle adverse concentration.
Glyphosate-containing products are acutely toxic to animals, including humans. Symptoms include eye and skin irritation, headache, nausea, numbness, elevated blood pressure, and heart palpitations. The surfactant used in a common glyphosate product (Roundup) is more acutely toxic than glyphosate itself; the combination of the two is yet more toxic.
Given the marketing of glyphosate herbicides as benign, it is striking that laboratory studies have found adverse effects in all standard categories of laboratory toxicology testing. These include medium-term toxicity (salivary gland lesions), long-term toxicity (inflamed stomach linings), genetic damage (in human blood cells), effects on reproduction (reduced sperm counts in rats; increased frequency of abnormal sperm in rabbits), and carcinogenicity (increased frequency of liver tumors in male rats and thyroid cancer in female rats).
In studies of people (mostly farmers) exposed to glyphosate herbicides, exposure is associated with an increased risk of miscarriages, premature birth, and the cancer non-Hodgkin’s lymphoma.
Glyphosate has been called “extremely persistent” by the U.S. Environmental Protection Agency, and half lives of over 100 days have been measured in field tests in Iowa and New York. Glyphosate has been found in streams following agricultural, urban, and forestry applications.
Glyphosate treatment has reduced populations of beneficial insects, birds, and small mammals by destroying vegetation on which they depend for food and shelter.
In laboratory tests, glyphosate increased plants’ susceptibility to disease and reduced the growth of nitrogen-fixing bacteria.
Originally posted by starcraft
Pesticides are evil?
Yes, there's quite a few few fungicides already in use that are toxins created by other fungi....are these evil too?
Bt (Bacillus thuringensis)...is a naturally occuring toxin released by a bacteria. It does a number on several plant destroying insect larva like corn rootworms. Is that evil?
Nicotine sulphate...a natural compound produced by plants..(ie. tobacco)...is one of the oldest insecticides known to man...in fact God created it...It gives you a hell of a jolt when you puff on a cigarette.....is that evil?
Salt is a pesticide...is that evil?
Hot water is a pesticide...is that evil?
Originally posted by starcraft
Can't we have a logical discussion without hurling insults?? Why are liberals always so meanspirited?
Originally posted by starcraft
I'm a soil scientist...careful with the broad, irrational statements based on ignorance. Chemophobia with its' basis in misinformation and paranoia is not treatable with knowledge and common sense unfortunately. I won't respond any more. Arguing with these folks is quite unfair, they're not equipped.
Originally posted by starcraft
I get my facts from realworld, day to day talks with farmers. I work with them every day. I don't google and cherrypick only "studies" that bolster my argument while disregarding the mountains of evidence to the contrary. Deny ignorance.
Originally posted by starcraft
Bt Corn, RR Beans and corn is here to stay. Get used to it.
Originally posted by starcraft
[
FYI....glyphosate( Tradename: Roundup)...when applied to the soil surface, is immediately broken down into CO2 and water.
Originally posted by starcraft
Advancements in plant genetics has led to decreased pesticide applications, reduced fertilization, better utilization of water resources and bottom line: more food being produced on a finite resource...arable land.
Verdict?...FRIEND....in a VERY big way.
Originally posted by starcraft
Bt (Bacillus thuringensis)...is a naturally occuring toxin released by a bacteria. It does a number on several plant destroying insect larva like corn rootworms. Is that evil?
Originally posted by starcraft
I get my facts from realworld, day to day talks with farmers. I work with them every day. I don't google and cherrypick only "studies" that bolster my argument while disregarding the mountains of evidence to the contrary. Deny ignorance.
reply to post by starcraft
Starcraft said: "yeah, do more googling. I'll use my brain. *giggle* "
Originally posted by smirkley
I do not condemn them for trying to protect their patented product line, as the black market even in countries where farmers 'protest',.... flourishes.