Dispersal of boll weevil toward and within the cotton plant and implications for insecticide exposure

2020 ◽  
Author(s):  
Lucas S Arruda ◽  
Jorge B Torres ◽  
Guilherme G Rolim ◽  
Christian SA Silva‐Torres
Keyword(s):  
Cotton Plant ◽  
Boll Weevil ◽  
Insecticide Exposure

An Arrestant and Feeding Stimulant for the Boll Weevil in Water Extracts of Cotton-Plant Parts1

1963 ◽  
Vol 56 (4) ◽  
pp. 449-454 ◽  
Author(s):  
Fowden G. Maxwell ◽  
Johnie N. Jenkins ◽  
J. C. Keller ◽  
William L. Parrott
Keyword(s):  
Cotton Plant ◽  
Boll Weevil ◽  
Water Extracts ◽  
Feeding Stimulant

scholarly journals Survival pattern of the boll weevil during cotton fallow in Midwestern Brazil

2017 ◽  
Vol 52 (3) ◽  
pp. 149-160 ◽  
Author(s):  
Carmen Silvia Soares Pires ◽  
Mayra Pimenta ◽  
Renata Alves da Mata ◽  
Lucas Machado de Souza ◽  
Débora Pires Paula ◽  
...  
Keyword(s):  
Cotton Plant ◽  
Boll Weevil ◽  
Alternative Food ◽  
Food Sources ◽  
Adult Longevity ◽  
Cotton Boll ◽  
Fallow Period ◽  
Reproductive Structures ◽  
Survival Pattern ◽  
Alternative Food Sources

Abstract: The objective of this work was to determine the survival pattern of the cotton boll weevil during fallow in Midwestern Brazil. The percentage of adults that remained in the cotton reproductive structures, the percentage of adults searching for shelters, and the longevity of adults fed on pollen and nectar as alternative food sources were determined. For this, four populations were sampled in cotton squares and bolls, totaling 11,293 structures, from 2008 to 2012. The emergency of cotton weevil adults was monitored from the collection of the structures until the next cotton season. In the laboratory, newly-emerged adults were fed on hibiscus or Spanish needle, and their life span was monitored individually. Most adults (85.73%) left the reproductive structures, regardless of the cotton plant phenology, up to 49 days after the structures were collected. One individual (0.0002%) from 5,544 adults was found alive after the fallow period. The diet with hibiscus and Spanish needle provided adult longevity of 76±38 days, which was enough time for adults to survive during the fallow period. Most of the boll weevils leave the cotton structures at the end of harvest, survive using alternative food sources, and do not use cotton plant structures as shelter during the legal cotton fallow period in Midwestern Brazil.

The boll weevil‐cotton plant complex

1973 ◽  
Vol 1 (4) ◽  
pp. 291-351 ◽  
Author(s):  
P. A. Hedin ◽  
A. C. Thompson ◽  
R. C. Gueldner
Keyword(s):  
Cotton Plant ◽  
Boll Weevil

Chemically Induced Resistance in the Cotton Plant to Attack by the Boll Weevil

1963 ◽  
Vol 56 (2) ◽  
pp. 189-192 ◽  
Author(s):  
J. W. Matteson ◽  
H. M. Taft ◽  
C. F. Rainwater
Keyword(s):  
Induced Resistance ◽  
Cotton Plant ◽  
Boll Weevil ◽  
Chemically Induced

scholarly journals Survival and preference of cotton boll weevil adults for alternative food sources

2016 ◽  
Vol 76 (2) ◽  
pp. 387-395 ◽  
Author(s):  
M. Pimenta ◽  
R. A. Mata ◽  
M. Venzon ◽  
D. N. C. Cunha ◽  
E. M. G. Fontes ◽  
...  
Keyword(s):  
Cotton Plant ◽  
Food Source ◽  
Boll Weevil ◽  
Alternative Food ◽  
Food Sources ◽  
Floral Nectar ◽  
Central Brazil ◽  
Use Of Resources ◽  
Sunn Hemp ◽  
Alternative Food Sources

Abstract Plants that have potential as alternative food source (floral nectar, pollen and plant tissues) to the boll weevil during the intercropping season were evaluated considering the prevalent conditions of Cerrado in the Central Brazil. Initially, we tested the nutritional adequacy for the survival of the insect of flower resource (pollen and nectar) provided by eight plant species (fennel, mexican sunflower, castor bean, okra, hibiscus, sorghum, pigeonpea and sunn hemp). Subsequently, we tested if the resources provided by the selected plants continued to be exploited by the boll weevil in the presence of cotton plant, its main food source average longevity of boll weevil adults was significantly longer when they were fed on hibiscus’ flowers (166.6 ± 74.4) and okra flowers (34.7 ± 28.9) than when they fed on flowers of other six species. Subsequently, the preference of the boll weevil in the use of resources was compared between okra or hibiscus and cotton plants, in dual choice experiments. Boll weevils preferred plants of the three species in the reproductive stages than those in vegetative stages. Although the cotton plant in the reproductive stage was the most preferred plant of all, boll weevils preferred flowering okra and hibiscus than cotton at the vegetative stage.

Effects of Methyl Parathion, DDT, and Toxaphene on the Boll Weevil, Bollworm, and Cotton Plant in North Carolina12

1970 ◽  
Vol 63 (2) ◽  
pp. 596-599
Author(s):  
W. J. Mistric ◽  
B. M. Covington ◽  
F. D. Smith
Keyword(s):  
Cotton Plant ◽  
Methyl Parathion ◽  
Boll Weevil

Preferred Feeding and Egg Laying Sites of the Boll Weevil and the Effect of Weevil Damage on the Cotton Plant

1961 ◽  
Vol 54 (5) ◽  
pp. 979-984 ◽  
Author(s):  
E. P. Lloyd ◽  
J. L. Mcmeans ◽  
M. E. Merkl
Keyword(s):  
Cotton Plant ◽  
Boll Weevil ◽  
Egg Laying
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