PDF | Horticultural commodities are highly perishable in nature thus there may be a glut of Post Harvest Technology of Horticultural Crops. PDF | ADEL A. KADER and others published POSTHARVEST HANDLING AND PHYSIOLOGY OF HORTICULTURAL CROPS A LIST OF. safety and for extending the postharvest- life of fresh horticultural and safety of horticultural crops and their products. .. datastorefiles/pdf). Kitinoja.
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POST-HARVEST LOSSES. • Poor temperature and humidity control around the crops. • Lack of appropriate post- harvest treatments. • Unsuitable use of. Post-Harvest Technology in Horticultural Crops for Executives of African and Asian Countries. November , , ICAR - IIHR, Bengaluru. 8 Post-harvest Technology of Horticultural Crops Fruits and vegetables can be pre-processed via scalding to eliminate enzymes and microorganisms.
It causes shriveling, wilting, softening, poorer texture, loss in weight, and lower quality.
It can be reduced in storage by 1 raising the relative humidity, 2 reducing the air movements, 3 lowering the air temperature, 4 using protective coverage, i. Ethylene: Ethylene gas C2H4 is a colorless, odorless, natural hormone produced by some fruits climacteric and vegetables as they ripen and promotes additional ripening of produce exposed it [ 6 ].
This can lead to the premature ripening of produce in storage facilities.
Ethylene is capable of stimulating many reactions within plants. It is involved in the normal ripening process in many fruits, such as apples and bananas.
Ethylene can also have undesirable effects on fruits, i. The presence of CO2, lack of O2, and low temperatures can inhibit ethylene production on fruits, while on the other hand ethylene production is higher at injured produce. Ethylene can also be produced artificially and used as an environmental factor to stimulate ripening.
An important point here is that the plants which produce ethylene, i. It may cause injuries on produce, loss of quality, and reduce shelf life. Postharvest diseases: Stored products are subject to a variety of rots and decay caused by fungi or bacteria. Most known fungus are Penicilliumexpansum, Botrytis cinerea, Alternaria alternata, Rhizopus stolonifer, Phytophthora infestans and Fusarium spp and the bacteria are Ervinia carotovora and Pseudomona spp.
Post harvest Management of Horticultural Crops (2+1)
These diseases might cause light brown and soft spots on fruits and vegetables. Infection of diseases may start before or after harvest.
When products transferred to storage, infections continue to develop. Mechanical damages, wounds or bruises are known to be the common entry points for bacteria and fungi.
To prevent postharvest diseases, careful monitoring and management of diseases need to be started during growing period and continue in the storage. Preventing mechanical damage and harvesting the products during the cool times of the day are crucial points.
chapter and author info
Preharvest and postharvest application of suitable fungicides, bactericides might be helpful in managing disease problems. However, it must be kept in mind that environmental conditions are highly important for the development of diseases.
This new book, Postharvest Biology and Technology of Horticultural Crops: Principles and Practices for Quality Maintenance, describes the above-mentioned advancements in postharvest quality improvement of fresh horticultural produce.
This book will be a standard reference work for postharvest management for the fresh produce industry. It presents important new advances that will extend the shelf life of fresh produce by retaining its safety and nutritional or sensory quality. Das, S. Sultana, and A.
Sultana, S. Das, and A. Mohammed Wasim Siddiqui is an assistant professor and scientist in the Department of Food Science and Post-Harvest Technology at Bihar Agricultural University in Sabour, India, and is the author or co-author of 30 peer-reviewed journal articles, 18 book chapters, and 18 conference papers. Recently, Dr. Crisosto and Jeffery P.
Mitchell 6. Maturation and Maturity Indices; Michael S.
Reid 7. Harvesting Systems; James F. Thompson 8. Preparation for Fresh Market; James F. Thompson, Elizabeth J. Mitcham, and F.
Gordon Mitchell 9. Thompson Packages for Horticulture Crops; James F. Gordon Mitchell Cooling Horticulture Commodities; James F. Thompson, F. Gordon Mitchell, and Robert F. Kasmire Storage Systems; James F.
Psychrometrics and Perishable Commodities; James F. Kader Ethylene in Postharvest Technology; Michael S. Reid Sommer Sommer, Robert J.
Fortlage, and Donald C. Edwards Handling at Destination Markets; James F.It might simply be defined as the reverse of photosynthesis.
Requirement for an ideal package Page. Preventing mechanical damage and harvesting the products during the cool times of the day are crucial points. Topic 26 part 2- Packaging of horticultural crops. Postharvest diseases: Stored products are subject to a variety of rots and decay caused by fungi or bacteria.
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