Synopsis
Excerpt from Experiments in Controlling Corn Ear Pests in Puerto Rico
Ears were harvested and examined at roasting-ear stage of develop ment.
All ears were harvested at the roasting-ear stage and immediately examined for extent Of filling of the ear as well as for the presence of insect larvae. Separate records were taken for each ear, the presence or absence of both species Of earworms or the small, corn-silk fly larvae being recorded. It is difficult to distinguish the larvae of the corn earworm from those Of the fall armyworm; since both are known to be present in the island and since they caused the same kind Of damage no attempt was made to separate them, and both types are mentioned together. The presence Of a single larva Of any one of the three ear pests was sufficient for an ear to be classified as infested.
Protecting silks for period prior to pollination resulted in poorly filled. Ears.
The filling of the ears was unsatisfactory even when the silks were exposed for 168 hours. Only 10. 4 percent Of the ears were well filled following the 4-hour exposure, 53 percent as a result Of the 24-hour exposure, and only 61 percent after 168 hours' exposure.
A summary of the results Of the insect infestation counts are shown by treatments in table 1.
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Experiments in Controlling Corn Ear Pests in Puerto Rico (Classic Reprint)
Print on DemandSeller: Forgotten Books, London, United Kingdom
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Paperback. Condition: New. Print on Demand. This book presents insights into methods of controlling pests that infest sweet corn ears destined for shipment to markets during the winter months. Historically, sweet corn production has been a summertime activity in the northern half of the United States due to the voracious appetite of the corn earworm. The author presents experimental results for the individual and combined effectiveness of various clipping, covering, and insecticidal treatments against three major pests of sweet corn in Puerto Rico: corn earworm, fall armyworm, and corn-silk fly. Strengths and weaknesses of various methods and combinations for managing each pest are analyzed to aid corn producers in developing appropriate pest management strategies. The author ultimately advocates for treating ears with a mixture of pyrethrum extract and mineral oil, supplemented by manually removing the very ends of the dried silks and husks, as the most efficient method for controlling all three pests. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781390459593_0
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