昆虫
发表于 2025-3-25 05:42:42
Monitoring the Boll Weevil in Technical and Commercial Operationsn fact, 17 years ago it was called the “$10 billion insect” (Dunn, 1964). Losses in cotton production because of the boll weevil average about $200 to $300 million annually. To prevent even greater losses, growers spend about $70 million/year for its control (Knipling, 1964). Rainwater (1962) estima
泥沼
发表于 2025-3-25 09:57:40
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错
发表于 2025-3-25 13:59:01
Biomonitoring for Stored-Product Insects this purpose for years. However, food attractants have the disadvantage in that they usually do not attract over a very long distance, and food traps necessarily compete with the natural food and may provide nutriment for a new infestation; light traps are dependent on electricity, the light wavele
TRACE
发表于 2025-3-25 19:07:37
The Use of Pheromone Traps to Monitor Distribution and Population Trends of the Gypsy Moth many parts of the world. In the United States approximately 95,000 pheromone traps were deployed to monitor the gypsy moth in 1979. Pheromone traps offer several advantages over other methods of sampling populations. First, such traps are relatively inexpensive and easy to deploy. Gypsy moth traps
哄骗
发表于 2025-3-25 23:27:36
Monitoring Codling Moth Populations in British Columbia Apple Orchardsee in pestology. The key to the management program is a monitoring system for codling moth, . (L.), based upon male captures in sex pheromone traps. The monitoring program has been developed for conditions in British Columbia orchards and it should be emphasized that although principles have applica
报复
发表于 2025-3-26 00:46:43
Monitoring for the Angoumois Grain Moth in Cornnew trend, disrupting communication between sexually mature adults by confusion, was hypothesized by Beroza (1960) and Brown (1961). The difference between attraction and confusion is the amount of sex attractant diffused into the atmosphere.
不朽中国
发表于 2025-3-26 04:42:31
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依法逮捕
发表于 2025-3-26 08:32:03
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foodstuff
发表于 2025-3-26 15:50:08
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META
发表于 2025-3-26 20:43:56
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