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La roña de la manzana necesita material orgánico para invernar
MIP – Exploración y Manejo de la Roña de la Manzana - Articles Articles

MIP – Exploración y Manejo de la Roña de la Manzana

Kari A. Peter, Ph.D., Montserrat Fonseca Estrada, Tianna Dupont

Asegúrese de saber dónde pasa el invierno la roña de manzana, cómo supervisarla y cuándo es más probable que aparezca. More
Protect tart cherries during bloom to prevent cherry leaf spot infection.
Tree Fruit Diseases - Spring Control Strategies - Articles Articles
May is the battleground month for disease management: be on alert for apple scab, fire blight, powdery mildew, rust, cherry leaf spot, brown rot, and bacterial spot infection conditions. More
Orchard IPM - Apple Scab Scouting and Management
Orchard IPM - Apple Scab Scouting and Management - Articles Articles

Orchard IPM - Apple Scab Scouting and Management

Kari A. Peter, Ph.D., Tianna DuPont

Make sure you know where apple scab overwinters, how to monitor, and when it is most likely to appear. More
Left: gray mold; right: anthracnose fruit rot.
Strawberry Disease - Fruit Rot Protection Begins at Bloom - Articles Articles
Our two main targets for bloom time protection of strawberries are gray mold/ Botrytis fruit rot, and, if you are growing susceptible varieties like Chandler, anthracnose fruit rot. More
Source: Howard F. Schwartz, Colorado State University, Bugwood.org
Pear Disease - Pear Scab - Articles Articles
Pear scab resembles apple scab in nearly all respects and is caused by the closely related fungus Venturia pirina. More
Once established in the wound, the fungus can quickly spread from infected fruit to adjacent healthy fruit during storage. Photo by K. Peter.
Apple and Pear Disease - Gray Mold - Articles Articles

Apple and Pear Disease - Gray Mold

Kari A. Peter, Ph.D.

Gray mold, Botrytis cinerea, is the most important postharvest disease of pears and is second to blue mold in importance to apple. More
Photo by Kathy Demchak.
Strawberry Disease - Gray Mold - Articles Articles
Gray mold, or botrytis blight, Botrytis cinerea, causes a greater loss of strawberry flowers and fruit than any other disease. It is found on green as well as ripening and harvested fruit. More
Grape Disease - Downy Mildew
Grape Disease - Downy Mildew - Articles Articles
Downy mildew, Plasmopara viticola, can infect berries, leaves and young shoots. It occurs wherever it is wet and warm during the growing season. More
stem canker (Leptosphaeria coniothyrium). Photo: Florida Division of Plant Industry , Florida Department of Agriculture and Consumer Services, Bugwood.org
Bramble Disease - Cane Blight - Articles Articles
Cane blight is caused by the fungus Leptosphaeria coniothyrium, which also causes a canker on roses and a fruit rot of apple and pear. More
Botrytis infection at site of feeding damage. Photo by Kathy Demchak.
Bramble Disease - Botrytis - Articles Articles
Botrytis fruit rot or gray mold, Botrytis cinerea, is the most common and most serious disease of Rubus species worldwide. More
Grape Disease - Botrytis Bunch Rot
Grape Disease - Botrytis Bunch Rot - Articles Articles
Botrytis bunch rot, or gray mold, exists in all vineyards worldwide. This disease is caused by the fungus Botrytis cinerea and is commonly associated with the decay of ripe or nearly ripe grapes. More
Typical fruit lesions are distinct, almost circular, rough-surfaced, olive-green spots up to ¾ inch in diameter. Heavily infected fruits are usually misshapen and may crack and drop prematurely. Photo by K. Peter.
Apple Disease - Apple Scab - Articles Articles

Apple Disease - Apple Scab

Kari A. Peter, Ph.D.

Apple scab, Ventura inaequalis, is Pennsylvania's most important apple disease, attacking wild and cultivated apple and crabapple. More
Dull, olive green areas visible on the undersides of leaves are the first evidence of apple scab.
Tree Fruit Disease - An Apple Scab Review - Articles Articles
Early season apple disease management is primarily directed at controlling scab. More
Downy mildew on pumpkin. Photo: Beth K. Gugino, Penn State
Vegetable Disease Updates: August 30, 2017 - Articles Articles
Within the past week, there have been three separate reports of downy mildew on jack-o-lantern pumpkin in eastern Virginia. More
Figure 1. Drain plugs must be sealed. Photo: PA Mushroom IPM Handbook
IPM in Mushroom Production: Exclusion Techniques for Pest Control - Articles Articles

IPM in Mushroom Production: Exclusion Techniques for Pest Control

Maria Gorgo-Gourovitch, David Meigs Beyer, Ph.D., John A. Pecchia, Ph.D.

Exclusion prevents the entrance of pest organisms into new rooms and their escape from older ones. The latter should not be underestimated. More
Home Orchards: Table 4.1. Scab-resistant Apple Varieties
Home Orchards: Table 4.1. Scab-resistant Apple Varieties - Articles Articles
Informational table showing apple varieties that are resistant to apple scab and recommended for home planting in Pennsylvania. More
Home Orchards: Table 4.2. Non-Scab Resistant Apple Varieties
Home Orchards: Table 4.2. Non-Scab Resistant Apple Varieties - Articles Articles
Informational table showing apple varieties that are non-resistant to apple scab but recommended for home planting in Pennsylvania. More
Scott Bauer, USDA Agricultural Research Service, Bugwood.org
Gray Mold on Strawberries in Home Gardens - Articles Articles
Gray mold, or botrytis blight, is a common disease of a number of nonwoody plants worldwide and causes a greater loss of strawberry flowers and fruit than any other disease. More
Home Orchards: Table 4.9. Pesticide Recommendations for Scab-resistant Apples
Home Orchards: Table 4.9. Pesticide Recommendations for Scab-resistant Apples - Articles Articles
The following spray schedule and times might vary by as much as 2 weeks, depending on the region of Pennsylvania in which the trees are located. More
Gerald Holmes, California Polytechnic State University at San Luis Obispo, Bugwood.org
Downy Mildew - Articles Articles

Downy Mildew

Gary W. Moorman, Ph.D.

Downy mildew is the common name for a group of highly specialized obligate parasites of vascular plants. More
Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org
Botrytis or Gray Mold - Articles Articles

Botrytis or Gray Mold

Gary W. Moorman, Ph.D.

Botrytis is a pathogenic fungus found virtually everywhere plants are grown. More
Apple Scab in the Home Fruit Garden
Apple Scab in the Home Fruit Garden - Articles Articles
Apple scab is Pennsylvania's most important apple disease, attacking wild and cultivated apple and crabapple. Early season disease management is primarily directed at controlling apple scab. More
Scab-resistant Apple Varieties for Home Orchards
Scab-resistant Apple Varieties for Home Orchards - Articles Articles
Scab-resistant apple varieties are ideal selections for home fruit production. More
University of Georgia Plant Pathology , University of Georgia, Bugwood.org
Downy Mildew on Grapes - Articles Articles
Downy mildew is caused by a fungus that can infect berries, leaves and young shoots. More
University of Georgia Plant Pathology, University of Georgia, Bugwood.org
Botrytis Bunch Rot on Grapes in Home Gardens - Articles Articles
Botrytis bunch rot, or gray mold, is commonly associated with the decay of ripe or nearly ripe grapes. Temperature and damp climates favor disease development. More
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