What are post harvest diseases?

Postharvest diseases are those that appear and develop after harvest. Outcomes of postharvest diseases. • Products with defects are unmarketable leading to increased. cost of production and occasionally loss of an entire crop. •

What causes post harvest diseases?

Postharvest diseases are caused by a relatively small number of Ascomycetes and Fungi Imperfecti and by few species of Basidiomycetes and bacteria (Agrios 1997). The bacteria are of the genera Dickeya, Pectobacterium, Xanthomonas, and 254 A.I. Darras Page 3 Pseudomonas.

How do you control post harvest disease?

Strategies employed to control postharvest diseases include (a) inoculum reduction, (b) prevention and eradication offield infections, (c) inactivation of wound infections, and (d) suppression of disease development and spread.

Which one is post harvest disease among the following?

Most common diseases are cottony rot of lemon, watery soft rot of bean pods, cucurbits etc. Storage diseases like bacterial soft rot of vegetables such as onion, carrot, potato etc. are mainly carried out by different species of Erwinia, such as E. carotovora, E.

What is a harvest Infection?

Postharvest infection commonly occurs through injuries or other breaks in the skin, and is increased if products are wet. Fungal spores are present in the air, on equipment, on containers and on the hands of harvest workers and packers.

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What is the meaning of post harvest losses?

1.1 What is postharvest loss? Postharvest loss can be defined as the degradation in both quantity and quality of a food production from harvest to consumption. Quality losses include those that affect the nutrient/caloric composition, the acceptability, and the edibility of a given product.

Who is a post harvest technologist?

Post harvest technology is inter-disciplinary “Science and Technique” applied to agricultural produce after harvest for its protection, conservation, processing, packaging, distribution, marketing, and utilization to meet the food and nutritional requirements of the people in relation to their needs.

What is one way to restrict postharvest disease of fruits and vegetables?

Traditional postharvest chemical fungicides such as IMZ, TBZ, SOPP and new reduced risk active ingredients such as PYR, FLU or AZX are the principal means used worldwide for effective control of citrus green and blue molds.

What fungicide is used for anthracnose?

The most effective fungicides for control are the protective fungicides containing chlorothalonil e.g., Daconil), copper sprays containing copper diammonia diacetate (e.g., Liquicop), propiconazole (e.g., Banner Maxx II), and the systemic fungicide thiophanate-methyl (e.g., Cleary’s 3336, for professional use only).

What is quiescent infection?

Quiescent: Inactive, resting. For example, tuberculosis can be a quiescent (inactive) infection.

Why do we perform pre harvest operation?

To maintain desirable species composition of the forest after harvesting and a viable residual stand. To minimise canopy openings in areas where they would allow the development of vines, weeds and lower-value pioneer species.

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