The Pests And Blights of the Tea Plant: Being a Report of Investigations ...
The Pests And Blights of the Tea Plant: Being a Report of Investigations ...
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In our eReader you can find the full English version of the book. Read The Pests And Blights of the Tea Plant: Being a Report of Investigations ... Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Pests And Blights of the Tea Plant: Being a Report of Investigations ...
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And what is more sur- prising still, during the 15 years or so that have since elapsed, we have made no progress. Every writer on the subject has contented himself with republishing extensive passages from Mr- Wood-Mason's Entomological paper, or with furnishing speculations as to the origin and treatment of the pest.
719. We do not know if it hibernates in the form of an egg or in a pupal stage : we are ignorant as to where the hibernating germs are located during the inactive period : we do n...ot know how many days the individual lives, nor the number of generations that take place a year. Is it, therefore, to be wondered at that no progress has been made in its eradication ? We are still in the stage of discussing individual opinion, unsupported, for the most part, by ascertained peculiarities in the life liisiory of the mite, and are as near the solution of the problem of extermination of this very abundant pest as we are with mosquito, green-fly, scale-bug, etc., etc. The ignorance that prevails as to the life histories of pests that are effecting losses that may possibly in the aggregate be something like a million sterling a year, is, to say the least, very surprising.
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You can find similar books in the "Read Also" column, or choose other free books by George Watt to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
And what is more sur- prising still, during the 15 years or so that have since elapsed, we have made no progress. Every writer on the subject has contented himself with republishing extensive passages from Mr- Wood-Mason's Entomological paper, or with furnishing speculations as to the origin and treatment of the pest.
719. We do not know if it hibernates in the form of an egg or in a pupal stage : we are ignorant as to where the hibernating germs are located during the inactive period : we do n...ot know how many days the individual lives, nor the number of generations that take place a year. Is it, therefore, to be wondered at that no progress has been made in its eradication ? We are still in the stage of discussing individual opinion, unsupported, for the most part, by ascertained peculiarities in the life liisiory of the mite, and are as near the solution of the problem of extermination of this very abundant pest as we are with mosquito, green-fly, scale-bug, etc., etc. The ignorance that prevails as to the life histories of pests that are effecting losses that may possibly in the aggregate be something like a million sterling a year, is, to say the least, very surprising.
What to read after The Pests And Blights of the Tea Plant: Being a Report of Investigations ...?
You can find similar books in the "Read Also" column, or choose other free books by George Watt to read onlineMoreLess
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