Search results
Results from the WOW.Com Content Network
Tobacco water, tobacco juice, tobacco dust juice, or tobacco lime is a traditional organic insecticide used in domestic gardening. [ 1 ] [ 2 ] In The English Physician Enlarged of 1681, Nicholas Culpeper recommended tobacco juice to kill lice on children's heads, referencing it as an insecticide poison.
The LD 50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5–1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children. [19] [20] However the widely used human LD 50 estimate of 0.5–1.0 mg/kg was questioned in a 2013 review, in light of several documented cases of humans surviving much higher doses; the 2013 review suggests that the lower limit causing fatal ...
With a global turnover of €1.5 billion in 2008, they represented 24% of the global insecticide market. The market grew from €155 million in 1990 to €5.50 billion in 2023. [32] Neonicotinoids make up as much as 43% of insecticide weight applied to seeds, [33] and accounted for 80% of all seed treatment sales in 2008. [34]
The four toxicity categories, from one to four are: Toxicity category I is highly toxic and severely irritating, Toxicity category II is moderately toxic and moderately irritating,
Specialist insects on tobacco, such as the tobacco hornworm (Manduca sexta), have a number of adaptations to the detoxification and even adaptive re-purposing of nicotine. [180] Nicotine is also found at low concentrations in the nectar of tobacco plants, where it may promote outcrossing by affecting the behavior of hummingbird pollinators. [181]
The Mayo Clinic diet, a program that adheres to this notion, was developed by medical professionals based on scientific research, so you can trust that this program is based on science, and not ...
Nitenpyram ( (E)-N-(6-Chloro-3-pyridylmethyl)- N-ethyl-N'-methyl-2-nitrovinylidenediamine) is an open-chain chloropyridyl neonicotinoid. Nitenpyram consists of a chloronicotinyl heterocyclic group common to all first generation neonicotinoids and a pharmacophore, the reactive group of the molecule.
New RSV vaccines are now available to help prevent serious infection in people over 60. Doctors explain the RSV vaccine and its side effects in older adults.