Notes On the Insecticide Use of the Gasoline Blast Lamp
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S. G. Titus (now assistant to the United States Entomologist), who, with the aid of an- other assistant, Mr. George I. Beeves (now an assistant in the Entomo- Jogical Department of the University of Missouri), tried it at various times during the following two months on such kinds of injurious insects as could be found in any number at Urbana at that time of the year. It was further tried on a fungus parasite of the lilac leaf, and on various kinds of vegetation to determine the effect on the p...lants of an exposure sufficient to kill the insects infesting them. Although sent me expressly for experimental purposes, this instrument proved to be relatively so weak in action that its use by us should probably be regarded as a test of the value of this kind of a torch rather than that of the torch method in general ; and it is on this account that I have kept our own statements separate from those made to me by others, most of whom seem to have worked with a more efficient apparatus.
The results of our various trials are here given as reported to me by Mr.
What to read after Notes On the Insecticide Use of the Gasoline Blast Lamp?
You can find similar books in the "Read Also" column, or choose other free books by Stephen Alfred Forbes to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
S. G. Titus (now assistant to the United States Entomologist), who, with the aid of an- other assistant, Mr. George I. Beeves (now an assistant in the Entomo- Jogical Department of the University of Missouri), tried it at various times during the following two months on such kinds of injurious insects as could be found in any number at Urbana at that time of the year. It was further tried on a fungus parasite of the lilac leaf, and on various kinds of vegetation to determine the effect on the p...lants of an exposure sufficient to kill the insects infesting them. Although sent me expressly for experimental purposes, this instrument proved to be relatively so weak in action that its use by us should probably be regarded as a test of the value of this kind of a torch rather than that of the torch method in general ; and it is on this account that I have kept our own statements separate from those made to me by others, most of whom seem to have worked with a more efficient apparatus.
The results of our various trials are here given as reported to me by Mr.
What to read after Notes On the Insecticide Use of the Gasoline Blast Lamp?
You can find similar books in the "Read Also" column, or choose other free books by Stephen Alfred Forbes to read onlineMoreLess
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