Science
Agriculture
2440 sites listed · page 2 of 49
Alaska Department of Fish and Game - Sport Fish Division
Alaska Department of Fish and Game - Sport Fish Division- Includes information on stocking plans, restoration activities, and fishing regulations.
Pacific States Marine Fisheries Commission
Pacific States Marine Fisheries Commission- Represents the states of CA, OR, WA, ID, AK. Goal is to promote and support policies and actions directed at the conservation, developm…
On the Bright Side of Yam Production
On the Bright Side of Yam Production- Nigeria is the leading producer of yams in sub-Saharan Africa but most farmers face problems with declining productivity, disease, cost and s…
Yam Diseases in Ghana
Yam Diseases in Ghana- Outlines research into the nature and impact of diseases which may affect the yam crop.
Diseases of Sweetpotato
Diseases of Sweetpotato- Provides the common names of the bacterial, fungal, nematode, viral and other diseases that affect the plant.
Sweetpotato Weevil: Cylas formicarius
Sweetpotato Weevil: Cylas formicarius- Information, management and references for this serious worldwide pest.
Nematode Management in Sweet Potatoes
Nematode Management in Sweet Potatoes- Information on general IPM considerations, symptoms, damage, field diagnosis and sampling, general management considerations and chemical co…
Sweetpotato Scurf
Sweetpotato Scurf- Information on this disease caused by the fungus Monilochaetes infuscans, and how to manage it.
Streptomyces soil rot of sweetpotato
Streptomyces soil rot of sweetpotato- Symptoms of this widespread and destructive disease, its cause and development, and its management.
Fusarium Wilt (Stem Rot)
Fusarium Wilt (Stem Rot)- Photograph of lesions on sweet potato stems caused by Fusarium oxysporum sp. batatas.
Diseases of Beet (Beta vulgaris)
Diseases of Beet (Beta vulgaris)- Provides a list of the common and scientific names of the bacterial, fungal, viral and nematode diseases that may infect this crop.
Sugar Beet Nematode
Sugar Beet Nematode- Account of the damage caused by this pathogen, control measures, and photographs and drawings.
Sugarbeet Pest Management
Sugarbeet Pest Management- Provides general information on pesticides and details of the diseases, insects, mites, nematodes and weeds that may attack this crop.
Beet Armyworm: Spodoptera exigua
Beet Armyworm: Spodoptera exigua- Photographs and information on the life cycle of this pest, its description, host plants, damage, sampling, natural enemies, insecticides and bio…
Sugar Beet Root Aphid
Sugar Beet Root Aphid- Photographs and information on the life history of Pemphigus betae, the damage it causes and possible control measures.
Flea Beetles on Sugar Beets
Flea Beetles on Sugar Beets- Description and life history of flea beetles, Psylliodes punctulata melsheimer, on sugar beet plants, the damage caused and possible control measures.
Wireworms on Sugar Beets
Wireworms on Sugar Beets- Several species of wireworm, Limonius spp., can feed on sugar beets and cause reduced plant growth or death of the plant. Information on the damage cause…
Beet Curly Top Virus, Hybrigeminivirus
Beet Curly Top Virus, Hybrigeminivirus- Photograph of an affected young sugar beet plant.
Beet Leaf Curl Virus, Rhabdovirus
Beet Leaf Curl Virus, Rhabdovirus- Photograph of affected plants and a description of the symptoms.
Diseases of Potato
Diseases of Potato- Provides the common names of the bacterial, fungal, nematode, viral and other diseases that affect the plant.
PotatoBeetle.org
PotatoBeetle.org- Information on biology and management of the Colorado potato beetle, Leptinotarsa decemlineata. Includes general information, review of various management techni…
Nematode Management in Potatoes
Nematode Management in Potatoes- Information on general IPM considerations, symptoms, damage, field diagnosis and sampling, general management considerations, crop rotation, varie…
Colorado Potato Beetle: Effective Chemical Control
Colorado Potato Beetle: Effective Chemical Control- Provides details of the degree of resistance built up by this beetle to different pesticides, with special reference to Alberta.
Blightwatch.co.uk
Blightwatch.co.uk- Blightwatch is a collaborative service supported by the British Potato Council and aims to give growers a management tool for assisting in the control of blight.
Virus Problems of Potatoes
Virus Problems of Potatoes- Photographs of symptoms and information on virus Y, leafroll virus, virus S, virus X, mop top virus, spraing, tobacco rattle virus, potato spindle tube…
Potato Yellow Dwarf Virus, Nucleorhabdovirus
Potato Yellow Dwarf Virus, Nucleorhabdovirus- Photograph of an affected plant and a description of the symptoms.
UC IPM Online: Potatoes
UC IPM Online: Potatoes- Provides a year-round IPM program for potatoes with information on monitoring and managing the pests and diseases found.
Organic Alternatives for Late Blight Control in Potatoes
Organic Alternatives for Late Blight Control in Potatoes- New strains of late blight make potato production especially challenging. Several nonchemical options are available for m…
Diseases of Potatoes
Diseases of Potatoes- An identification guide to the bacterial, fungal, nematode, viral and other diseases that may infect this crop, with many photographs, brief descriptions of …
Aphid Monitoring
Aphid Monitoring- Aphids can transmit Potato Virus Y which is a serious threat to potato crops. The British Potato Council offers a service monitoring this pest to help in decisio…
Potato Late Blight
Potato Late Blight- Disease management, photos of symptoms, information on other tuber and foliar diseases, and relevant links. North Dakota State University, U.S.
National Potato Council
National Potato Council- Non-profit trade association working for the well being of the U.S. potato industry on federal governmental issues.
The Potato Association of America
The Potato Association of America- Professional society for those interested in advancing the potato industry. Provides information on membership, events, meetings and the differe…
European Association for Potato Research
European Association for Potato Research- Provides research on food applications for potatoes.
National Potato Promotion Board
National Potato Promotion Board- Informational site about the National Potato Promotion Board and its programs.
World Potato Congress
World Potato Congress- Forum for exchange of international potato information
Washington State Potato Commission
Washington State Potato Commission- Informational site about the Washington State Potato Commission and its programs.
Idaho Potato Commission
Idaho Potato Commission- Informational site about the Idaho Potato Commission and its programs.
British Potato Council
British Potato Council- A range of industry related information, including press releases, potato market reports, an events calendar, production issues, and information on British…
Diseases of Cassava
Diseases of Cassava- Provides the common names of the bacterial, fungal, nematode, viral and other diseases that affect the plant.
Unearthing a Solution to Cassava Root Rot
Unearthing a Solution to Cassava Root Rot- Cassava brown streak disease is a viral disease damaging the roots and is not obvious until the crop is harvested. Information on the sy…
CMD: a Blessing in Disguise for Nigeria?
CMD: a Blessing in Disguise for Nigeria?- Article describing how the threat of the virulent strain of cassava mosaic virus spreading into Nigeria has stimulated the country into a…
Identification and Control of Root Rot Diseases of Cassava
Identification and Control of Root Rot Diseases of Cassava- Information on the causes and symptoms of these diseases, their means of spread and possible control, with several phot…
List of Cassava Diseases
List of Cassava Diseases- Common and scientific names of the bacterial, fungal and viral diseases, and the parasitic nematodes that affect this crop.
Cassava Mosaic Disease
Cassava Mosaic Disease- Photograph of affected foliage, and notes on the symptoms of this disease, the conditions that favor its development and preventative control measures.
Integrated Cassava Project: Pest Management
Integrated Cassava Project: Pest Management- Photographs of affected plants and information on cassava brown streak virus disease, cassava green mite and the mosaic virus, and als…
Diseases of Rapeseed / Canola
Diseases of Rapeseed / Canola- Provides the common names of the bacterial, fungal, nematode, viral and other diseases that affect the crop.
Diseases of Oilseed Crops: Canola
Diseases of Oilseed Crops: Canola- An identification guide to the diseases that may infect this crop, with many photographs, brief descriptions of the symptoms and suggested manag…
Lygus Bugs in Canola
Lygus Bugs in Canola- Photographs of the insect, Lygus lineolaris, its description, host plants, life history, damage done and management strategies.
Bertha Armyworm
Bertha Armyworm- Mamestra configurata is a significant pest of canola. Information on its life cycle, host plants, damage done, monitoring and actions that can be taken to control…