YearbookU.S. Government Printing Office, 1952 |
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Page 21
... chemical and biological con- trol . That is why insects are rarely ex- terminated . In fact , many species , benefited by the immense acreages of special farm crops , have actually in- creased because of man's agricultural activities ...
... chemical and biological con- trol . That is why insects are rarely ex- terminated . In fact , many species , benefited by the immense acreages of special farm crops , have actually in- creased because of man's agricultural activities ...
Page 30
... chemical me- dium . It is the first multicelled organ- ism to be raised in the absence of micro - organisms on a diet whose chem- ical composition was exactly known . Certain insects , such as mealworms , require little water because ...
... chemical me- dium . It is the first multicelled organ- ism to be raised in the absence of micro - organisms on a diet whose chem- ical composition was exactly known . Certain insects , such as mealworms , require little water because ...
Page 31
... chemical structure of silk . The naturalist Athanasius Kircher in 1643 recommended music as an antidote for tarantula bites . Different treatments are used today for insect bites , but often they are no more effec- tive than Kircher's ...
... chemical structure of silk . The naturalist Athanasius Kircher in 1643 recommended music as an antidote for tarantula bites . Different treatments are used today for insect bites , but often they are no more effec- tive than Kircher's ...
Page 32
... chemical properties of amino acids that occur free in the hemolymph of insects have been identified by the use of paper chromatographic methods . Several of them have not been identified yet as constituents of proteins . In most insects ...
... chemical properties of amino acids that occur free in the hemolymph of insects have been identified by the use of paper chromatographic methods . Several of them have not been identified yet as constituents of proteins . In most insects ...
Page 34
... chemical substances produced in an organ and liberated into the blood stream . Other organs then become excited by this hormone and functional activity results . Much light has been shed on many phases of invertebrate endocrinology ...
... chemical substances produced in an organ and liberated into the blood stream . Other organs then become excited by this hormone and functional activity results . Much light has been shed on many phases of invertebrate endocrinology ...
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Common terms and phrases
acre adult aerosol Agriculture alfalfa animals aphids applied areas arsenate attack bait boll bollworm borer breeding bugs Bureau of Entomology California cattle cause chemical chlordane citrus corn cotton crops damage dieldrin disease dosages dust effective eggs emulsion Entomology and Plant feed field flies flowers fruit fumigation grain grasshoppers growers grubs hatch honey bees host house flies important inches infested injury insect pests insecticides Japanese beetle kill laboratory large numbers larvae lead arsenate leaf leafhopper lice lindane livestock mate material ment methods methoxychlor methyl bromide mites mosquitoes moth nest organic parasites parathion peas percent Plant Quarantine poison pollen potato pounds psyllid Quarantine residues resistant scale insects season secticides sects seed soil species specimens spores spray sprayers spread stage studies temperature tests ticks tion toxaphene toxic treated treatment trees trol usually varieties virus weed weevil wings worms
Popular passages
Page 311 - ... if any word, statement, or other information required by or under authority of this Act to appear on the label or labeling is not prominently placed thereon with such conspicuousness (as compared with other words, statements, designs, or graphic matter in the labeling) and in such terms as to render it likely to be read and understood by the ordinary individual under customary conditions of purchase and use...
Page 311 - First. If any substance has been mixed and packed with it so as to reduce or lower or injuriously affect its quality or strength. Second. If any substance has been substituted wholly or in part for the article. Third. If any valuable constituent of the article has been wholly or in part abstracted.
Page 303 - economic poison" means (1) any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any insects, rodents, nematodes, fungi, weeds, and other forms of plant or animal life or viruses, except viruses on or in living man or other animals, which the Secretary shall declare to be a pest, and (2) any substance or mixture of substances intended for use as a plant regulator, defoliant or desiccant. b. The term "device...
Page 311 - Act; (c) if the labeling accompanying it does not contain directions for use which are necessary and if complied with adequate for the protection of the public; (d) if the label does not contain a warning or caution statement which may be necessary and if complied with adequate to prevent injury to living man and other vertebrate animals...
Page 311 - misbranded" shall apply — • (1) to any economic poison or device if its labeling bears any statement, design, or graphic representation relative thereto or to its ingredients which is false or misleading in any particular...
Page 311 - If any word, statement, or other information required by or under authority of this chapter to appear on the label or labeling is not prominently placed thereon with such conspicuousness (as compared with other words, statements, designs, or devices, in the labeling) and in such terms as to render it likely to be read and understood by the ordinary individual under customary conditions...
Page 313 - Act, or is otherwise dangerous to the health of the people of the United States, or is of a kind forbidden entry Into, or forbidden to be sold or restricted in sale In the country In which it is made or from which It Is exported...
Page 311 - ... (e) if the label does not bear an ingredient statement on that part of the immediate container and on the outside container or wrapper, if there be one, through which the ingredient statement on the immediate container cannot be clearly read, of the retail package which is presented or displayed under customary conditions of purchase...
Page 313 - That upon the payment of the costs of such libel proceedings and the execution and delivery of a good and sufficient bond to the effect that such articles shall not be sold or otherwise disposed of contrary to the provisions of this Act, or the laws of any State, Territory, District, or insular possession, the court may by order direct that such articles be delivered to the owner thereof.
Page 14 - ... else, an Egyptian mummy; and which, lastly, after remaining in this state, without food and without motion, for three years longer, should, at the end of that period, burst its silken cerements, — struggle through its earthly covering, and start into day a winged bird: — What, think you, would be the sensation excited by the strange piece of intelligence...