scholarly journals Distribution and Movement of Adult Diaprepes abbreviatus (Coleoptera: Curculionidae) in a Florida Citrus Grove

2001 ◽  
Vol 84 (4) ◽  
pp. 641 ◽  
Author(s):  
H. N. Nigg ◽  
S. E. Simpson ◽  
L. E. Ramos ◽  
T. Tomerlin ◽  
J. M. Harrison ◽  
...  
Keyword(s):  
Citrus Grove ◽  
Diaprepes Abbreviatus ◽  
Florida Citrus

2016 Planting and Annual Cultural Maintenance Costs for Reset-Replacement Trees in a Florida Citrus Grove

EDIS ◽  
2016 ◽  
Vol 2016 (7) ◽  
Author(s):  
Marina Burani Arouca ◽  
Stephen Hubbard Futch ◽  
Ariel Singerman
Keyword(s):  
Citrus Grove ◽  
Maintenance Costs ◽  
Cultural Maintenance ◽  
Florida Citrus ◽  
Citrus Trees

We provide estimates for the costs of planting and maintaining reset citrus trees in Florida in the era of HLB, The estimates are useful as a benchmark but also to inform industry stakeholders and policymakers regarding the costs growers have to incur in when planting new trees.

scholarly journals Irrigation Water Supply as a Bioeconomic Process

1984 ◽  
Vol 16 (2) ◽  
pp. 73-82 ◽  
Author(s):  
Gary D. Lynne ◽  
William G. Boggess ◽  
Kenneth M. Portier
Keyword(s):  
Water Supply ◽  
Irrigation Water ◽  
Marginal Cost ◽  
Process Analysis ◽  
Effective Field ◽  
Analytical Tool ◽  
Water Levels ◽  
Citrus Grove ◽  
Neoclassical Theory ◽  
Florida Citrus

AbstractIrrigation water is produced within the irrigation subprocess of a farm. Water supply is identified for effective field water, which sets the upper bound on water available for plant use. Georgescu-Roegen process analysis concepts are merged with the neoclassical theory of cost as the underlying framework. The approach is illustrated for a permanent overhead system used in a Florida citrus grove. The marginal cost for the 2.54 centimeters application depth dominates all other depths for the higher water levels. Process analysis is an important analytical tool for increasing understanding of the features of irrigation water supply.

Abundance of Diaprepes abbreviatus (L.) (Coleoptera: Curculionidae) Neonates Falling to the Soil Under Tree Canopies in Florida Citrus Groves

2003 ◽  
Vol 96 (3) ◽  
pp. 835-843 ◽  
Author(s):  
H. N. Nigg ◽  
S. E. Simpson ◽  
R. J. Stuart ◽  
L. W. Duncan ◽  
C. W. McCoy ◽  
...  
Keyword(s):  
Diaprepes Abbreviatus ◽  
Citrus Groves ◽  
Tree Canopies ◽  
Florida Citrus

Fate of ethion in canals draining a Florida citrus grove

1983 ◽  
Vol 31 (4) ◽  
pp. 704-709 ◽  
Author(s):  
Forrest E. Dierberg ◽  
Richard J. Pfeuffer
Keyword(s):  
Citrus Grove ◽  
Florida Citrus

scholarly journals Field Diagnosis of Citrus Root Weevil Damage

EDIS ◽  
2019 ◽  
Vol 2005 (10) ◽  
Author(s):  
Stephen H. Futch ◽  
Clayton W. McCoy ◽  
James H. Graham ◽  
Larry W. Duncan ◽  
Herbert N. Nigg
Keyword(s):  
Economic Importance ◽  
Publication Date ◽  
Original Publication ◽  
Diaprepes Abbreviatus ◽  
Economic Problems ◽  
Weevil Species ◽  
Citrus Groves ◽  
Root Weevils ◽  
Citrus Root ◽  
Florida Citrus

Root weevils infest citrus groves throughout the citrus growing regions of Florida. Among the eight weevil species that have been identified in Florida citrus groves, five have some potential to cause economic problems for nurserymen and commercial growers. The most important weevil species are Diaprepes root weevil (Diaprepes abbreviatus), southern blue-green citrus root weevil (Pachnaeus litus), and the blue-green citrus root weevil (Pachnaeus opalus). The little leaf notcher (Artipus floridanus) and Fuller rose beetle (Asynonychus godmani) are of less concern, but may be locally important (Fig. 1). This paper will deal with Diaprepes and the blue-green root weevils because they are of major economic importance and frequently occur in citrus groves. This document is HS-1014, one of a series of the Horticultural Sciences Department, UF/IFAS Extension. Original publication date May 2005. HS-1014/HS260: Field Diagnosis of Citrus Root Weevil Damage (ufl.edu)

Differential susceptibility of entomopathogenic nematodes to nematophagous fungi from Florida citrus orchards

Nematology ◽  
2009 ◽  
Vol 11 (2) ◽  
pp. 231-241 ◽  
Author(s):  
Diane Bright ◽  
Fahiem El-Borai ◽  
Robin Stuart ◽  
James Graham ◽  
Jaime Cubero ◽  
...  
Keyword(s):  
Entomopathogenic Nematode ◽  
Differential Susceptibility ◽  
Nematophagous Fungi ◽  
Citrus Industry ◽  
Regional Patterns ◽  
Diaprepes Abbreviatus ◽  
Soil Microcosms ◽  
Citrus Orchards ◽  
Florida Citrus ◽  
Abundance And Diversity

AbstractLaboratory experiments were conducted to study the effects of various trapping and endoparasitic nematophagous fungi (NF) isolated from Florida citrus orchards on five entomopathogenic nematode (EPN) species that show various distributions across Florida's citrus industry. Four trapping NF (Arthrobotrys oligospora, A. dactyloides, A. musiformis and Gamsylella gephyropaga) and two endoparasitic NF (Catenaria sp. and Myzocytium sp.) were tested against Steinernema diaprepesi (Sd), S. glaseri (Sg), S. riobrave (Sr), Heterorhabditis zealandica (Hz) and H. indica (Hi). Fungi were added to soil microcosms either as a pure culture on agar plugs (trapping NF) or as fungal-colonised nematodes (endoparasitic NF) on agar plugs, concurrently with 2000 EPN of a given species. After 7 or 14 days exposure, nematodes were recovered from the soil using Baermann funnels. The recovery of all EPN species was reduced between 56-92% by G. gephyropaga. Neither Sd or Sg were affected by any species of Arthrobotrys, whereas A. musiformis reduced recovery of all other EPN and A. oligospora reduced numbers of all other species except Hi. Both endoparasitic NF reduced the recovery of all EPN except Hi by at least 82%. The data are consistent with the hypothesis that NF may play a role in regulating regional patterns of abundance and diversity of EPN species in Florida, which in turn regulate the abundance of a major citrus pest, the Diaprepes root weevil, Diaprepes abbreviatus.

scholarly journals Seasonal Abundance and Insecticidal Control of Citrus Leafminer in a Citrus Orchard

HortScience ◽  
2007 ◽  
Vol 42 (7) ◽  
pp. 1636-1638 ◽  
Author(s):  
Charles A. Powell ◽  
Michael S. Burton ◽  
Robert Pelosi ◽  
Mark A. Ritenour ◽  
Robert C. Bullock
Keyword(s):  
Population Density ◽  
Seasonal Abundance ◽  
Insect Control ◽  
Single Application ◽  
Citrus Orchard ◽  
Citrus Grove ◽  
Phyllocnistis Citrella ◽  
Citrus Leafminer ◽  
Florida Citrus ◽  
Damage Number

Population density of citrus leafminer, Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae), was monitored in a Florida citrus grove for 5 years by scouting weekly for larval-induced mines (leafminer-created tunnels in the leaves) in a replicated citrus plot treated with seven insect control regimes: Admire (imidacloprid) applied at 12, 6, 3, or 2-month intervals; Temik (aldicarb) applied annually; Metasystox-R (oxydemeton-methyl) applied annually; or no insect control. Leafminer populations were highest during the warmer months (April to September) and lowest during the cooler months (November to March). Populations peaked during June in all 5 years monitored. Trees treated with Temik or Metasystox-R had the same number of mines as the untreated controls. A biannual treatment with Admire reduced leafminer damage (number of mines) all 5 years compared with the controls. Additional Admire applications further reduced damage during some, but not all, years. A single application of Admire significantly reduced mines in 3 of the 5 years.

scholarly journals Keeping Water and Nutrients in the Florida Citrus Tree Root Zone

2010 ◽  
Vol 20 (1) ◽  
pp. 67-73 ◽  
Author(s):  
Thomas A. Obreza ◽  
Arnold Schumann
Keyword(s):  
Best Management Practices ◽  
Management Practices ◽  
Root Zone ◽  
Nutrient Use Efficiency ◽  
Irrigation Scheduling ◽  
Water Soluble ◽  
Soluble Nitrogen ◽  
N Budget ◽  
Citrus Grove ◽  
Florida Citrus

Florida citrus (Citrus spp.) producers must improve water and nutrient use efficiency to remain sustainable as they face increasing urbanization, plant disease, and environmental awareness. Producers have traditionally used water-soluble nitrogen (N) and phosphorus fertilizer sources with calendar-based irrigation, but they are slowly integrating enhanced efficiency fertilizers into nutrient management plans and converting to sensor or evapotranspiration-based irrigation scheduling. Recent research has improved the understanding of the citrus grove N budget, which has led to development of appropriate best management practices (BMPs) that will maintain production while protecting the environment. BMPs that have been shown to decrease N loss to groundwater include applying the appropriate fertilizer rate, splitting fertilizer applications, converting to fertigation, and improving irrigation scheduling.

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