[PDF] Survival Of The Pink Bollworm Under Various Cultural And Climatic Conditions eBook

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Survival of the Pink Bollworm Under Various Cultural and Climatic Conditions (Classic Reprint)

Andrew J. Chapman
Survival of the Pink Bollworm Under Various Cultural and Climatic Conditions (Classic Reprint) by Andrew J. Chapman PDF

Author : Andrew J. Chapman
Publisher : Forgotten Books
Page : 30 pages
File Size : 23,56 MB
Release : 2018-01-09
Category : Gardening
ISBN : 9780428669911

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Excerpt from Survival of the Pink Bollworm Under Various Cultural and Climatic Conditions Weather and fruiting conditions Of the plants at the time of the first frosts in the fall have been Observed to influence the potential overwinter ing pink bollworm population. When light frosts persist for several days before subfreezing temperature, the mortality in succulent bolls is negligible, whereas a sudden freeze following warm weather results in a high mortality. Examination of green bolls after a sudden drop in temperature to 24 and 21 F. On 2 consecutive days Showed 98-percent larval mortality. Similar temperatures occur frequently in the colder climates of the infested area, where many bolls are green at frost date. When temperatures are low enough to freeze these bolls, the pink boll worm population is greatly reduced. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Agriculture Handbook

Agriculture Handbook by PDF

Author :
Publisher :
Page : 68 pages
File Size : 38,43 MB
Release : 1949
Category : Agriculture
ISBN :

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Set includes revised editions of some issues.