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Non-Pathogenic Disorders

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A case of blossom end rot.

A case of blossom end rot.

Blossom End-Rot of Tomato, Pepper, and Watermelon
This resource from NC State University outlines the strategies to prevent or reduce blossom-end rot, a disorder caused by a lack of calcium in the developing fruit, resulting in decay on the bottom of the fruit.

Soil Salinity: Effect on Vegetable Crop Growth
Salinity is a major problem affecting crop production all over the world: 20% of cultivated land in the world, and 33% of irrigated land, are salt-affected and degraded. This process can be accentuated by climate change, excessive use of groundwater  (mainly if close to the sea), increasing use of low-quality water in irrigation, and massive introduction of irrigation associated with intensive farming.

Management of Non-pathogenic Fruit Disorders of Tomato in Organic Production Systems
Tomatoes are susceptible to a variety of non-pathogenic fruit disorders. This article addresses some of the more common disorders, identifying the symptoms and causes with photos. Management recommendations are suitable for organic production.

Common Tomato Fruit Disorders
As part of Cornell University’s Vegetable MD Online, this Web site includes photos to help growers identify the disorder afflicting their tomatoes. Information on each disorder includes why it occurs and how to prevent it.

Tomato Diseases and Disorders
This publication from Iowa State Cooperative Extension places emphasis on prevention, while also addressing diagnosis of symptoms and separating physiological disorders from insect and disease damage.

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Written By

Aubrey EttingerExtension Associate for Nutrition Email Aubrey Kannapolis Research
NC State Extension, NC State University
Page Last Updated: 2 years ago
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