Results 61 to 70 of about 960,159 (156)

Interrelations between citrus rust mite, Hirsutella thompsonii and greasy spot on citrus in Surinam [PDF]

open access: yes, 1975
Counts of citrus rust mite (Phyllocoptruta oleivora (Ashm.)) on leaves and fruit of citrus rose to a peak in the two dry seasons, the build up taking 4-5 weeks.
Brussel, E.W., van, van Brussel, E.W.
core  

Diaprepes in Florida citrus: Past, present, and future.

open access: yesEDIS, 2023
In response to the recent resurgence of Diaprepes under a scenario where most citrus trees are infected with HLB, we have begun work to develop the needed tools and management recommendations to limit the damage it might cause.
Lukasz Stelinski   +2 more
doaj  

Phytochemical Analysis and Insecticidal Activity of Four Plant Extracts Against Maize Weevil and Larger Grain Borer

open access: yesInternational Journal of Agronomy, Volume 2026, Issue 1, 2026.
Plant‐based biopesticides provide a sustainable alternative to synthetic insecticides for managing postharvest losses caused by maize weevil (Sitophilus zeamais) and larger grain borer (Prostephanus truncatus). This study evaluated the phytochemical composition and insecticidal activity of methanolic extracts of Lantana camara, Citrus sinensis, Moringa
Samuel Yakubu Gariba   +3 more
wiley   +1 more source

First Assessment of the Reproductive Potential of Spermophagus niger (Motschulsky, 1866) (Coleoptera: Chrysomelidae) on Hibiscus asper Hook. f. (Malvales: Malvaceae) Seeds

open access: yesPsyche: A Journal of Entomology, Volume 2026, Issue 1, 2026.
Spermophagus niger L. (Coleoptera: Chrysomelidae) is the main insect pest of Hibiscus sabdariffa seeds (Malvales: Malvaceae) during storage, with initial infestations occurring in the field. This study presents the first assessment of S. niger development on Hibiscus asper seeds (Malvales: Malvaceae), a wild and underutilized species widely distributed
Jean Christophe Koussoube   +5 more
wiley   +1 more source

ASYMMETRIC PRICE TRANSMISSION IN THE ISRAELI CITRUS EXPORT SECTOR IN THE AFTERMATH OF LIBERALIZATION [PDF]

open access: yes
The Israeli citrus export sector was liberalized in 1991 with the aim to increase citrus growers income and to improve overall efficiency of the international citrus marketing channel.
von Cramon-Taubadel, Stephan   +1 more
core   +2 more sources

FACTORS INFLUENCING WEST TENNESSEE FARMERS' WILLINGNESS TO PAY FOR A BOLL WEEVIL ERADICATION PROGRAM [PDF]

open access: yes
Data from a survey were used to evaluate Tennessee farmers' willingness to pay for the boll weevil eradication program. Producer experience, boll weevil control costs, and attitudes about boll weevil damage and insecticide usage after the program were ...
Roberts, Roland K.   +3 more
core  

Endogenous resistance to insect pests in alfalfa: engineering for enhanced resistance [PDF]

open access: yes, 1997
Alfalfa (Medicago sativa) is a valuable forage crop grown throughout the World. While the crop is resistant to attack by many insect pests, it is subject to potentially severe losses through the action of several specific pests, which are adapted to ...
Mazahery-Laghab, Hojjatollah   +1 more
core  

Molecular Identification of the Economically Important Invasive Citrus Root WeevilDiaprepes abbreviatus(Coleoptera: Curculionidae)

open access: yesFlorida Entomologist, 2009
The article reports on the study that identifies the economical importance of citrus root weevil Diaprepes abbreviatus (D. abbreviatus). It develops a sensitive barcoding technique based on the polymerase chain reaction (PCR)-amplification and sequencing of the mitochondrial cytochrome oxidase I (COI) gene to use in identification of eggs, larvae and ...
Marina S. Ascunce   +2 more
openaire   +1 more source

ECONOMIC RISK EFFICIENCY OF BOLL WEEVIL ERADICATION [PDF]

open access: yes
The purpose of this study was to determine the economic risk efficiency of implementing a boll weevil (Anthonomus grandis [Boheman]) eradication (BWE) program in cotton (Gossypium hirsutum L.) producing regions of the Mississippi Delta.
McClendon, Ronald W.   +2 more
core  

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