A substance that inhibits the growth of micro-organisms, e.g., penicillin. It seems that all antibiotics provide an unstable protection when used singly, and that a cocktail of different antibiotics is much more stable. Aphids
Plant parasitic insects of the Order Homoptera which are among the most common, and serious, of insect pests of crops. Also known as greenfly or green bugs, aphids have several different forms, including winged females for allo-infection; wingless, asexual, viviparous females for Auto-infection; and winged males and females for sexual reproduction. Many species of aphid are heteroecious. Many are vectors of virus diseases. Apical dominance
The meristem at the main growing point, or apex, of a plant. Apis
The genus to which honey bees belong. These are stinging, social, hymenopterous insects, useful in the production of honey, and in the pollinating of many species of crop. Amateur breeders can often make use of them to produce a random polycross.
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Companies that have beekeeping stuff deal with all the equipment that is required for this business, like attire for bee keeping which is essential from head to torso, full body suits and just head gear. Along with this equipment they also sell journals and books on beekeeping to help people to understand this field better. Some of the better known beekeeping companies have been in the business for more than a hundred years.