Papa

Vegetables and Melons Outlook - June 2011

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Reflecting tight supplies, May shipments of fresh-market potatoes declined 9 percent from a year earlier—the first time since at least 1980 that May fresh shipments were less than 8 million hundredweight (cwt). In April and May, the monthly average price received by growers for all types of potatoes topped $11 per cwt. The last time the allpotato price hit double digits was in the summer of 2008. At $15.61 per cwt, the average U.S.

Autores: 
Gary Lucier
Autores: 
Lewrene Glaser
Editora: 
USDA Economic Research Service
Año: 
2011

Bacterias en Frutas y Hortalizas

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Enfermedades producidas por bacterias:

Autores: 
Secretaría de Agricultura y Ganadería, Honduras
Editora: 
Secretaría de Agricultura y Ganadería, Honduras

Diseases of Potato: Verticillium Wilt and Early Vine Death

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Verticillium wilt of potato was first described in 1879 and the term “early dying” was used in 1916 to describe the disease symptoms. In 1968, the plant pathogenic Verticillium fungus was reported as an important cause of early vine death. More recently, it has been shown that plant parasitic nematodes increase the susceptibility of potatoes to this disease.

Autores: 
Mel Lacy
Autores: 
Ray Hammerschmidt
Autores: 
George Bird
Editora: 
Michigan State University Extension
Año: 
1995

Diseases of Potato: Late Blight

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Late blight of potato, caused by the fungus Phytophtora infestans, is potentially a very destructive disease of potato in Michigan. During favorable weather - periods of moderate temperatures, high humidities, and frequent rainfall - the disease can spread extremely rapidly by means of asexual spores known as sporangia, and it has the potential of completely  defoliating fields within three weeks of the first visible infections if no control measures are taken.

Autores: 
M. L. Lacy
Autores: 
R. Hammerschmidt
Editora: 
Michigan State University Extension
Año: 
1995

Disease of Potato: Fusarium Dry Rot

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Fusarium dry rot of potato tubers is caused by several species of Fusarium, the most important which is F. sambucinum. These fungi are residents of most potato growing soils in Michigan and once established in the soils, persist indefinitely. Tubers rarely become infected during the growing season because tuber skin provides natural protection against entry of dry rot organisms.

Autores: 
Mel Lacy
Autores: 
Ray Hammerschmidt
Editora: 
Michigan State University
Año: 
1993

Vegetables and Melons Outlook - April 2011

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In 2010, per capita disappearance (net domestic use) of all vegetables, melons, potatoes, sweet potatoes, pulse crops, and mushrooms rose slightly to 420 pounds. Increased domestic disappearance of fresh-market vegetables and melons, dry edible beans, and sweet potatoes outweighed reduced use of processing vegetables and potatoes. Record high watermelon supply and disappearance led to a 1-percent gain in per capita melon use.

Autores: 
Gary Lucier
Autores: 
Lewrene Glaser
Editora: 
USDA Economic Research Service
Año: 
2011

Fertilización de cultivos y frutales en la zona norte

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El objetivo de este boletín consiste en entregar una guía de diagnóstico nutricional y de fertilización, para los cultivos de papa, tomate en invernadero, cítricos, olivo, duraznero, vid pisquero y palto.

Autores: 
Carlos Sierra Bernal
Editora: 
INIA Chile
Año: 
2003

Manual de Producción de Papa

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La papa es el cultivo hortícola que más se produce a nivel mundial y cuarto cuando incluimos los cereales, arroz, trigo y maíz. La papa se siembra en más de 95 países a nivel mundial. En Honduras, el cultivo de papa está concentrado en los departamentos de Intibucá, Ocotepeque, La Paz y Francisco Morazán.

Autores: 
Fintrac, Fundación Hondureña de Investigación Agrícola y la Escuela Agrícola Panamericana
Editora: 
MCA-Honduras / EDA
Año: 
2008

Alternaria Diseases

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Diseases caused by Alternaria species are very common and are worldwide in their occurrance. Important host plants include a variety of crops such as apples, broccoli, cauliflower, carrots, potatoes, Chinese cabbage, tomatoes, bok choy, an citrus, plus many plants used as ornamentals and number of weeds.

Autores: 
Franklin Laemmlen
Editora: 
University of California Cooperative Extension
Año: 
2001

Potato - 2010 Ohio Vegetable Production Guide

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Potatoes are an important vegetable crop in Ohio and are sold for fresh market, roadside stands and processing. Yields range from less than 200 cwt/A to more than 400 cwt/A and are dependent on variety, planting date, weather conditions, production practices and harvest date.

Autores: 
Robert J. Precheur
Autores: 
Mark Bennett
Autores: 
Brad Bergefurd
Autores: 
Luis Cañas
Autores: 
David Francis
Autores: 
Gary Gao
Autores: 
Casey Hoy
Autores: 
Jim Jasinski
Autores: 
Mark Koenig
Autores: 
Matt Kleinhenz
Autores: 
Hal Kneen
Editora: 
Ohio State University
Año: 
2010
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