Student needs cheap pesticide to test effects easily for science fair report.
Pesticides affect non-target plants via drift, soil uptake, metabolic changes. Can alter nutrient composition, increase susceptibility to pests/pathogens, cause genetic mutations. Herbicides like 2,4-D increased aphids, corn borers, smut in studies. Genotoxicity detected via cytogenetic assays (chromosome aberrations, micronuclei).
Use Roundup (glyphosate)—cheap, fast visible results on grass/weeds. Buy at home/garden center. Follow safety instructions; parental supervision required.
Source: ICSU-SCOPE Chapter 14 Methods to Assess Pesticide Effects on Non-Target Organisms.
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