Introduction to Plant Biotechnology PlSc 452/552 Lecture 1 Chapter 1. C. Neal Stewart, Jr. plantsciences.utk.edu/stewart.htm [email protected] Rules for class. Do the readings Proper preparation prevents poor performance Ask lots of questions Give lots of answers
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Any gene, any organism
The new plant will pass the transgene
to its progeny through seed.
Consumer reports, Sept. 1999
Environmental benefitsHerbicide tolerant crops have increased and encouraged no-till agriculture– less soil erosion.Over 1 million gallons of unsprayed insecticide per year.
(Kovach et al. (1992)
The EIQ value is multiplied by the amount of pesticide active ingredient (ai) used per hectare to produce a field EIQ value.
For example, the EIQ rating for glyphosate is 15.3. By using this rating multiplied by the amount of glyphosate used per hectare (eg, a hypothetical example of 1.1 kg applied per ha), the field EIQ value for glyphosate would be equivalent to 16.83/ha.
In comparison, the field EIQ/ha value for a commonly used herbicide on corn crops (atrazine) is 22.9/ha.
Science and education should help
“Ordinary Tomatoes Do Not Contain Genes, while Genetically Modified Ones Do”
1996 - 1998
Source: Tom Hoban
Discussing her “healthy” lifestyle in Organic Style magazine March 2005.