Las dos herramientas más importantes y fundamentales para el técnico de campo son una lupa y un tubo para muestreo de suelo. Para llevar a cabo las tareas de supervisión de un cultivo en el campo se debe prestar atención al estado general del cultivo. Para ello, las siguientes características deben ser observadas:
Xanthomonas campestris pv. campestris
Black rot occurs on all cultivated crucifers and several wild species. Lesions typically begin at the leaf margin and progress inward forming V-shaped chlorotic lesions. With time the lesions begin to dry and become necrotic. Infection normally occurs through leaf pores, but it can occur any place on the leaf where insect or mechanical wounds allow for bacterial entry.
Efecto de la Erradicación de Plantas Enfermas por el PRSV-P en un Sistema de Manejo Integrado del Papayo (Carica papaya L.) en Veracruz, México
In its broadest sense, "citrus health management" means managing the health of citrus trees in a way which gives a net profit by integrated measures, including Integrated Pest Management (IPM), soil and water management and cultural practices. This chapter discusses IPM measures to keep disease-free seedlings free of pests and diseases once they have been planted out in the orchard.
Erwinia carotovora subspecies carotovora, atroseptica and chrysanthemi
Grapevines require annual pruning to remain productive and manageable and to achieve consistent yields. Dormant vines are pruned in early spring to adjust pruning severity to account for midwinter cold injury. Growers control production by pruning to achieve consistent yields. Grapevines can potentially produce 10-12 tons per acre (average is 5 tons). Allowing vines to overproduce reduces vigor and future yields.
Processed tomato products fall into two categories: high value products and soft products. High value includes whole peel products such as whole tomatoes, diced tomatoes, and salsa. Ketchup, sauces, and juice are considered soft products. Tomatoes used for high value products receive higher market prices. Approximately 80% of the tomatoes raised in Indiana go into high value products.