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

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)

EDIS ◽  
2017 ◽  
Vol 2017 (3) ◽  
Author(s):  
Mark A. Ritenour ◽  
Jamie D. Burrow ◽  
Megan M Dewdney ◽  
John Zhang

This is a quick identification tool of citrus blemishes and fruit decay caused by fungi and bacteria in Florida citrus. Original publication date May 2017. 


2003 ◽  
Vol 96 (3) ◽  
pp. 835-843 ◽  
Author(s):  
H. N. Nigg ◽  
S. E. Simpson ◽  
R. J. Stuart ◽  
L. W. Duncan ◽  
C. W. McCoy ◽  
...  

EDIS ◽  
1969 ◽  
Vol 2002 (9) ◽  
Author(s):  
Brian Boman ◽  
Larry Parsons

This is document No. CH192 and Circular 1422, one of a series of the Agricultural and Biological Engineering Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Publication date: September 2002.


EDIS ◽  
2019 ◽  
Vol 2006 (1) ◽  
Author(s):  
Renee M. Goodrich ◽  
Robert J. Braddock

This fact sheet, one in a series titled Florida Citrus Products and By-Products, provides an overview of the most common citrus by-products for commercial use. More detailed information on each major by-product can be found in the references listed, as well as in other titles of this series. This document is FSHN05-22, one of a series of the Food Science and Human Nutrition Department, UF/IFAS Extension. Original publication date October 2004. Revised February 2006. 


EDIS ◽  
2006 ◽  
Vol 2006 (6) ◽  
Author(s):  
Tom Obreza ◽  
Larry Parsons ◽  
Kelly Morgan

Florida citrus growers are well aware that nitrogen (N) is the single most important nutrient applied as a fertilizer to assure maximum yield and fruit quality. Most growers are probably also aware of the substantial N fertilizer price increases that have occurred during the past year (Table 1). Ammonium nitrate, the workhorse N fertilizer used by citrus growers for decades, has had the greatest leap in cost. Typical questions on the minds of growers these days are: why has this happened, will it continue, and will economics force a change in the type of N fertilizer we use?  This document is SL-238, one of a series of the Department of Soil and Water Sciences, UF/IFAS Extension. Original publication date February 2006.  SL238/SS457: Nitrogen Fertilizer Sources: What does the future hold for citrus producers? (ufl.edu)


EDIS ◽  
2006 ◽  
Vol 2006 (6) ◽  
Author(s):  
Kuang Ren Chung ◽  
Ronald H. Brlansky

This paper discusses a disease caused by a xylem inhibiting bacterium, Citrus Variegated Chlorosis (CVC). This document is Fact Sheet PP-223, one of a series of the Plant Pathology Department, UF/IFAS Extension. Original publication date: October 2005.


EDIS ◽  
1969 ◽  
Vol 2004 (8) ◽  
Author(s):  
Howard V. Weems, Jr.

Anastrepha ocresia (Walker) is one of six species of fruit flies of the genus Anastrepha which occur in Florida or which have been established in Florida at some time. This West Indian species has been collected in Florida only in the Keys of Monroe County where it has been found sparingly; it has not been found in Florida since 1936. There is a distinct possibility that this species has not survived in Florida. It is not considered to be of economic importance anywhere within its range. This document is EENY202, one of a series of the Entomology and Nematology Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date March 2001. Revised June 2004.  https://edis.ifas.ufl.edu/in359


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