Results 81 to 90 of about 66,192 (306)

The Mexican Bean Beetle [PDF]

open access: yes, 1924
Exact date of bulletin unknown.PDF pages ...
Parks, T. H.
core  

Tri-trophic effects of inter- and intra-population variation in defence chemistry of wild cabbage (Brassica oleracea) [PDF]

open access: yes, 2010
The eVect of direct chemical defences in plants on the performance of insect herbivores and their natural enemies has received increasing attention over the past 10 years.
Bullock, J.M.   +4 more
core   +4 more sources

Colonization and spatiotemporal distribution of bruchid pests in lentil and faba bean fields

open access: yesPest Management Science, EarlyView.
This study of 104 fields identifies Bruchus signaticornis in lentils and B. rufimanus in faba beans as the sole grain‐damaging species. Their uniform distribution within fields and the strong effect of regulatory factors on larvae and egg survival emphasize the need for species‐specific, phenology‐based and spatially informed integrated pest management
Anastasia Chery‐Lagrange   +7 more
wiley   +1 more source

Development of Eye Colors in Drosophila: Extraction of the Diffusible Substances Concerned [PDF]

open access: yes, 1937
The development of eye color in Drosophila is known to involve special diffusible substances [1,2]. A genetically vermilion (v) eye will develop wild-type eye color if it is supplied with v+ substance by transplantation or by injection of body fluid of ...
Beadle, G. W., Thimann, Kenneth V.
core  

Seedling resistance and chemical defenses against Psylliodes chrysocephala: the roles of seed age and sinapinic acid in Sinapis alba and Brassica napus

open access: yesPest Management Science, EarlyView.
The cabbage stem flea beetle (Psylliodes chrysocephala) is a major pest of winter oilseed rape (Brassica napus). We tested B. napus and Sinapis alba seedlings for feeding resistance and underlying chemical defenses. S. alba was least damaged, while metabolite profiles revealed resistance‐linked compounds, highlighting breeding potential for insect ...
Daniel Rüde   +4 more
wiley   +1 more source

Sustainable control of Anopheles mosquito population [PDF]

open access: yes, 2014
Despite the widespread use of insecticides, community engagement programmes and preventive measures mosquito borne diseases are growing and new tools to prevent the spread of disease are urgently needed. An alternative control measure for the eradication
Birch, Philip   +5 more
core   +1 more source

Fast determination of coarse grained cell anisotropy and size in epithelial tissue images using Fourier transform

open access: yes, 2019
Mechanical strain and stress play a major role in biological processes such as wound healing or morphogenesis. To assess this role quantitatively, fixed or live images of tissues are acquired at a cellular precision in large fields of views.
Delanoë-Ayari, H.   +5 more
core   +1 more source

Colonisation potential of the bark beetle (Taphrorychus bicolor) on beech logs and logging residues: ecological context and implications for pest management in forests

open access: yesPest Management Science, EarlyView.
Beech residues left in shaded or semi‐shaded conditions pose a substantial risk of local Taphrorychus bicolor population outbreaks. The rapid removal or placement of residues in sun‐exposed locations can help mitigate this risk. Abstract BACKGROUND The bark beetle Taphrorychus bicolor has been traditionally classified as a secondary pest of European ...
Ivana Henzlová   +4 more
wiley   +1 more source

An Annotated List of Phytophagous Insects Collected on Immature Black Walnut Trees in Southern Illinois [PDF]

open access: yes, 2017
An annotated list of phytophagous insects on immature black walnut in southern Illinois was compiled between 26 April, 1974, and 9 October, 1975. Approximately 300 species, in 10 orders, were collected by hand-picking and sweeping.
McPherson, J. E, Nixon, P. L
core   +2 more sources

Wheat fertilization affects oviposition preference of wheat midge, Sitodiplosis mosellana (Géhin) (Diptera: Cecidomyiidae)

open access: yesPest Management Science, EarlyView.
Wheat fertilization increased plant growth, nitrogen and protein levels, influencing the wheat volatile profile and affecting female wheat midge choice to lay eggs. This could partly result from the observed changes in the VOC profile. Abstract BACKGROUND In Canada, the orange wheat blossom midge (hereafter called wheat midge), Sitodiplosis mosellana ...
Chaminda De Silva Weeraddana   +6 more
wiley   +1 more source

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