Genetically modified organisms, nanomaterials, human sewage sludge, plant growth regulators, hormones, and antibiotic use in livestock husbandry are prohibited.
12.
Plant growth regulators may be classified as both primary and secondary metabolites due to their role in plant growth and development.
13.
However, molecules of IAA are chemically labile in aqueous solution, so it is not used commercially as a plant growth regulator.
14.
The laws stifled debate about food irradiation, bovine growth hormone, plant growth regulators, pesticides and splicing genes to create brave, new watermelons.
15.
Alar is called a " plant growth regulator " and when sprayed on apples increases their red color and their shelf life.
16.
The hypothesis that plant growth and development is coordinated by plant hormones or plant growth regulators first emerged in the late 19th century.
17.
Plant growth and development are mediated by specific plant hormones and plant growth regulators ( PGRs ) ( Ross et al . 1983 ).
18.
Plant growth regulators ( auxins ) are produced in the female parts of the flower and are still there trying to work when the flowers are cut for market.
19.
In addition, organic farming prohibits or strictly limits the use of manufactured fertilizers and pesticides, plant growth regulators such as hormones, livestock antibiotics, food additives and genetically modified organisms.
20.
Chemical materials developed to assist in the production of food, feed, and fiber include scores of herbicides, insecticides, fungicides, and other pesticides, plant growth regulators, fertilizers, and animal feed supplements.
