Showing posts with label food security. Show all posts
Showing posts with label food security. Show all posts

Sunday, 5 February 2023

23. Maize Production Technology

 Maize



Scientific Name:

Zea mays

Economic Importance of Maize:

Right here are some of the important thing economic advantages of maize:

  1. Food: Maize is a staple meal for thousands and thousands of people internationally, offering critical vitamins and calories.
  2. Feed: Maize is a primary feed supply for cattle, along with hens, farm animals, and pigs, offering important vitamins for their boom and manufacturing.
  3. Biofuels: Maize can be processed into ethanol, and used as a biofuel in the transportation region, decreasing dependence on petroleum-primarily based fuels.


  4. Industrial use: Maize is used within the production of diffusion of commercial merchandise, inclusive of adhesives, cosmetics, and paper.
  5. Export: Maize is a main export commodity for many countries, producing extensive revenue through exports to different countries.
  6. Rural development: Maize manufacturing provides employment and profit possibilities for small farmers and rural communities, contributing to financial development in these regions.
  7. Food security: Maize is an essential crop for food security, ensuring ok meal substances and lowering the threat of food shortages.

Production Technology of Maize:

Sowing methods:

  • Drill sowing: A distance of 75 cm is maintained between rows and 15-20 cm between adjacent plants depending upon the range requirements. 
  • Ridge sowing: Seeds are dibbled 15-20 cm aside on ridges spaced at 75 cm.

Seed Rate in drill sowing:

12-15kg/acre

seed rate in Ridge Sowing:

8-10 kg/Acre

Sowing time in the spring season:

A) past due hybrids/types = Mid Jan. To Mid Feb.

B) Early hybrids/varieties = Mid-Feb. To Mid Mar

Sowing time in the Autumn season:

A) past due hybrids/varieties = Mid-July to Early August.  

B) Early hybrids/varieties = 2nd & 3rd week of August.

Fertilizer Application:

N=92, P=46, K=25 kg/acre

Irrigation:

                            Spring season Autumn season

Drill sowing     8-10                         6-8

Ridge sowing     10-12                         8-10

Weed Control:

  • Manual/mechanical weeding.
  • Utility of appropriate weedicide.

Insect Pest Management (IPM):

Here are a few techniques for insect pest control in maize:

  • Cultural practices: Crop rotation, planting ailment-resistant types, and proper irrigation and fertilization can lessen the impact of insect pests.
  • Monitoring: Regular tracking of the crop for insect damage and presence is essential to ensure early detection and well-timed control.
  • Physical control: Handpicking and putting off bugs, using sticky traps, and using row covers can assist in controlling bugs.
  • Biological Control: the usage of herbal predators, together with ladybugs and lacewings, to govern insect pests can be an effective and eco-friendly choice.
  • Chemical Control: software of pesticides may be used to manipulate insect pests, needs need to be used as a last motel and only after careful attention to the capacity environmental effects.
  • Integrated Pest Management (IPM): imposing an IPM application, which involves the use of an aggregate of cultural, bodily, biological, and chemically manipulate strategies, can be an effective way to control insect pests in maize.

Diseases and their control:

  • Maize Rust: its miles result from the fungus Puccinia sorghi. Control measures include planting resistant types, crop rotation, and applying fungicides.
  • Maize Smut: it is a result of the fungus Ustilago maydis. Manipulate measures include planting resistant types and the usage of fungicides.
  • Maize Ear Rot: it's far caused by numerous fungi consisting of Fusarium verticillioides and Aspergillus flavus. Control measures include planting resistant varieties, using crop rotation, and applying fungicides.
  • Maize Bacterial Wilt: it's miles due to the bacterium Xanthomonas vasicola pv. Vascular. Control measures encompass planting resistant types and heading off overhead irrigation.
  • Maize Mosaic Virus: A set of RNA viruses causes Maize Mosaic Virus. Control measures encompass planting resistant sorts, averting over-fertilization, and casting off inflamed flowers.


Harvesting and Storage:

Here are some steps for harvesting and storage of maize:

  • Harvesting: Maize is generally harvested when the kernels have reached adulthood and the husks have turned brown. The first-rate time to harvest maize is when the moisture content of the seeds is between 20-30%. The crop may be harvested either manually or routinely.
  • Drying: After harvesting, the maize must be dried to lessen its moisture content to a safe stage for storage. This could be done by spreading the maize in a thin layer and allowing it to air dry in the solar or using mechanical dryers.
  • Cleansing: earlier than storage, the maize must be wiped clean to get rid of any dust, leaves, or other debris.
  • Grading: Grading involves keeping apart the maize-based on high quality and length. This ensures that the fine first-class maize is stored and bought first.
  • Packaging: The maize can be packaged in bags, packing containers, or bulk containers for storage.
  • Storage: Maize ought to be stored in a dry and properly-ventilated place to prevent moisture buildup and save you from spoilage. The temperature of the storage region has to be saved between 10-15°C to keep away from insect infestations and mold growth.
  • Monitoring: Ordinary tracking of the maize in the garage is necessary to check for any signs and symptoms of spoilage or insect infestations. If any troubles are determined, the maize ought to be eliminated and disposed of straight away to prevent the spread of contamination.

References:

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Sunday, 29 January 2023

11. Food science and technology and its Importance

 Definition of Food science:

    Food science is the basic science and applied science of food; its scope starts at overlaps with agricultural science and nutritional science and leads through the scientific aspects of food safety and food processing, informing the development of food technology.



Food technology:

       The production, preservation, quality assurance, and research and development of food items are all topics covered in the area of food technology, which is a subfield of food science.

Scope of Food Science:

    The study of microorganisms that cause food to decay, preservation and processing, chemical reactions, food degradation in storage, and the characteristics and structure of certain foods are only a few of the many issues covered by the field of food science and technology.

    Product testing and product development are both included in the field of food science (quality control). Assuring that the food supply complies with national safety regulations is another concern. What sets it apart from other sciences like chemistry or agriculture is the application of biological, physical, and chemical concepts to every stage of food production.

    A wide range of industries, including agriculture, medicine, biotechnology, and nutrition, employ food scientists. They can study how nutrition impacts health, or they might use their understanding of food processing to create new foods or enhance ones that already exist.

Fields of Food Science:

1. Food microbiology:

    Food microbiology, which basically examines how microbes interact with food, focuses on bacteria, molds, yeasts, and viruses. Food quality and safety are important factors in product creation. Food pathogen prevention is the focus of food safety. Microorganisms cannot be completely removed from food, but there are several ways to inhibit their growth or render them inactive. Food science involves creating packaging and processes that impede pathogenic microorganisms' growth and lower their rate of survival, as well as particularly sensitive and quick methods to identify the poisons that these microbes release in meals. Some bacteria ruin food, albeit not all of them are dangerous.

2. Food engineering and processing:

    When it comes to creating new products, food engineers create the ideas that processors utilize to turn uncooked ingredients into wholesome, long-lasting foods. Engineers may not have a direct part in menu formulation, but processors will. The flavor, color, safety, and shelf life of food can all be dramatically impacted by the processing methods used for a component. Think about the impact of high-pressure processing on the fresh fruit and vegetable juice market. To generate fruit and vegetable juices without any of the negative consequences of heat treatments, such as changes in flavor, texture, or color, HPP, also known as "cold pasteurization," was invented. Since the method does not change the juices' nutritional composition, fortification is not required.

3. Nutrition:

    Developing savory dishes with fewer calories while still satisfying the client is a significant problem for product and menu producers. Identification and characterization of the biological effects of purported nutraceuticals and functional foods have received significant attention from the food science community. Product designers are using this knowledge as inspiration as they try to include these foods or the particular bioactive components in them in new products. Consumers are getting more informed in this area and will eventually demand the same health advantages from the foods that they eat outside the home as they do from foods they eat inside the home.



Importance of Food Science and Technology:

1. Ensuring food security and safety.

2. Innovation in the food industry. 

3. Provides workers in the field with a variety of job opportunities.

4. Prevents food processing companies from losing money.

5. Make raw produce into a completed, mouthwatering, and attractive final product.

6. Finding the most cost-effective, the safest method to feed society the finest nourishment will help to reduce the need for medical intervention.

7. It aids in our understanding of how to safely produce and ferment food and beverages.

8. Utilizing more of our food resources and minimizing waste is made possible by food science. Foods are primarily biological in origin. It is a complicated matter to determine how they act during manufacturing, distribution, processing, and harvesting. It takes extensive training to fully comprehend all of the problem's main components.

9. Food-borne viruses are more likely to be present in the supply because a big portion of our food is generated commercially in enormous amounts. This increases the importance of food science. More food is transported and kept than in the past, which increases the risk of contamination. Fewer people were impacted when contamination occurred in the distant past since there was less contaminated food available and it was also less widely distributed. It became crucial to prevent food contamination as a result of the large-scale production of food since if it happened, many more people would be harmed.



10.  I gained a lot of insight into roasting and grilling after learning about the Maillard Reaction. The chemical reaction between amino acids and reducing sugars known as the Maillard process is what gives browned food its characteristic flavor. Many different foods experience this reaction, including grilled steaks, fried dumplings, bread, toasted marshmallows, cookies, and other types of biscuits. It was first described in 1912 by French chemist Louis Camille Maillard as he attempted to mimic the synthesis of biological proteins. Maillard is the name of the process. The process, which is a non-enzymatic browning reaction, normally moves quickly from about 140 to 165 °C. Many recipes specify an oven temperature that will guarantee the Maillard reaction takes place.

References:

1

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Friday, 13 January 2023

7.Plant Breeding and Genetics and their Importance

Definitions and brief introduction:

    Plant breeding is the science-driven innovative technique of growing new plant types that goes by way of numerous names such as cultivar improvement, crop improvement, and seed improvement. Breeding entails the creation of multi-era genetically multiple populations on which human choice is practiced to create tailored flowers with new combos of particularly applicable trends. The choice process is pushed using biological evaluation in relevant goal environments and knowledge of genes and genomes.   Development is classified primarily based on advantage underneath selection, which is a characteristic of genetic version, selection intensity, and time.

    Plant breeding is the application of genetic ideas to produce plant life that is of greater benefit to humans. This is finished by way of deciding on flowers located to be economically or aesthetically appropriate, first by way of controlling the mating of decided on people, after which through choosing sure individuals the various progeny. Such procedures, repeated over many generations, can exchange the hereditary makeup and price of a plant populace a long way beyond the herbal limits of previously present populations.

 "Plant Breeding is the artwork and science of the genetic development of plant life."

“Plant Breeding is the art and science of converting vegetation developments to produce desired characteristics."

 "Plant Breeding is the genetic development of flora for human advantage." 

https://youtu.be/OGfuWsb9nFw

By watching this video you can easily understand the concept of Plant breeding and genetics.



Grand Challenge:

    Human life depends on flora for food, feed, fiber, fuel, aesthetics, and environmental offerings consisting of recycling carbon dioxide (CO2). Some of humanity’s grand challenges are met, as a minimum in part, through stepped-forward plants: feeding and nourishing a growing human population, helping a biobased economic system, managing and assisting in mitigating climate alternate, and maintaining the surroundings. Looking pragmatically at the beyond and strategically to destiny, this paper specializes in the role and important importance of innovation in plant breeding to satisfy the grand undertaking of being able to provide meals and nutritional protection to humankind a long time in advance. Improved vegetation also is used as the source of fiber, timber, and amenity plant life including flora and turf grasses.

How Plant Breeder works:

    There is an urgent need to increase agricultural productivity to satisfy humanity's grand challenges. Indeed stated, cutting-edge upgrades in crop production thru genetics and agronomy are not sufficient (less than half of what is needed) to guide the human activities anticipated because of population growth and increased prosperity by way of 2050 (e.g., the predicted nine billion human beings of 2050 will eat the rural products equal to twelve billion humans of today. Furthermore, while superb development is being made in a few crop plants, now not all crops currently proportion similarly in those advances, which may add significantly lessen the diversity of picks that human beings can have within their destiny. Really believe a salad of the future with its various veggies, culmination, and nuts if the maximum of the scientific advances is made simplest inside the principal crops of the world (e.g., maize, wheat, rice).



    The domestication of crop vegetation has provided sustainable meals and feed delivery to meet the challenges of a growing international populace as civilization advanced over the last 8,000– 10,000 years. Plant breeding has persisted and improved that technique to address present-day demanding situations. The process of enhancing crop development, concerning a given species, generally involves numerous steps: 

(1) defining the trends to be progressed.

(2) identifying germplasm with preferred developments and favorable genes that can make a contribution to a progressed cultivar (i.e., figuring out parents); 

(3) crossing/intermating selected mother and father.

(4) comparing and choosing the notable progeny of intermated plant life (which may be repeated for numerous generations). 

(5) discipline checking out in the potential market location to determine if the overall performance of any selected progeny is sufficient to warrant the release of an advanced cultivar. 

    Depending on the breeding or propagation system for the crop, a new excessive-acting line can be used immediately as a new cultivar, as a factor determining a hybrid crop or populace, or as parental breeding stock to increase further improved germplasm. The ultimate purpose of plant breeding is to enhance crop overall performance for developments or defined traits of a plant that can be under genetic control. Features contributing to a selected product target might encompass the ones crucial for crop productivity (e.g., yield; adaptation to specific local surroundings; disorder and pest resistance; tolerance to abiotic pressure factors like drought, warmth, or bloodless), for crop processing and marketing (e.g., milling or baking/cooking/fermentation best, biofuel yield, visible enchantment, postharvest garage capability, shelf existence), and for client nice (e.g., flavor, protein content material, oil profile, fiber excellent, nutritional values.

Scope of Plant breeding and genetics:

I) Genetic manipulation of the populace by way of increasing the frequency of ideal alleles in pass-pollinated plants and introducing male sterile in self-pollinated crops like wheat and Rice.

II) intensive breeding of pulses and oil seed vegetation because it turned into finished cereals and other crops.

III) right breeding methods with stepped-forward crop management practices.

IV) Use of heritability strategies with advanced crop management practices.

V) improvement of progressed high-yielding kinds of vegetable and seed plants.

VI) best development in Oil seed and greens.

VII) Use of transgenic vegetation as a medication. e.g. Potato.

VIII) development of types that are appropriate for mechanical threshing and cultivation.

https://youtu.be/iCTky-jgEAQ

Importance of Plant breeding:

 To feed the people and the planet.

 To adapt plant varieties too:

1.         New desires:

•           purchaser’s flavor (bitter, seedless)

•           food diversity

•           New intake habits

•           growing location (rural vs. City or urban)

•           Mechanization.

2.         New uses:

•           electricity Biofuel

•           industry e.g. Sugar, oilseed rape

•           environment (e.g. Water performance, phytoremediation)

•           To sell, inspire and protect innovation

•           impact on breeder’s network (variety – resident/non‐resident, range, funding in R&D)

•           switch generation and innovation to all (for the benefit of society)

•           Farmers (ensuring exceptional of the product)

•           purchasers (e.g. Flower enterprise)

References:

https://www.plantbreeding.org/content/what-is-plant-breeding

https://www.cast-science.org/wp-content/uploads/2018/12/CAST_IP57_Plant_Breeding_and_Geneti_3AD033F3C1763.pdf

https://www.upov.int/edocs/mdocs/upov/en/upov_trainer_en_16/upov_trainer_en_16_world_cafe_1.pdf

 

Thursday, 29 December 2022

5. Horticulture and Its Importance

 Horticulture:

    It is a science and art of the development, sustainable production, marketing, and use of high-value, intensively cultivated food and ornamental plants. 

    Horticulture additionally contributes to the great of life, and the splendor, sustainability, and rehabilitation of our surroundings and the human condition.

    Plants, vegetation, and inexperienced areas preserve and increase our lives with the aid of using presenting nutritious food, improving the splendor of our houses and groups, and lowering our carbon footprint.

https://youtu.be/8HOcJNe6ALQ 

Through this video, you can easily understand the concept of horticulture.

    Horticulture is a section of the agriculture industry. The period horticulture literally
method the subculture of a garden. However, the period has taken on a broader context. Horticulture consists of the manufacturing and use of vegetation for food, comfort, and beautification.
    Direct 
courting exists in horticulture and technology. The region of technology most
intently related to horticulture is botany. Botany is the examination of vegetation and plant processes. The discipline of technology that offers the cultivation of horticultural vegetation is understood as
horticulture 
technology.
    Science is 
carried out throughout the horticulture industry. The utility of technology to horticulture is referred to as horticulture technology. Successfully elevating horticultural vegetation takes more than simply day-by-day watering. Time, patience, and know-how of numerous clinical processes are had to produce the most beneficial plant growth. The horticulture enterprise is a mixture of scientific, technological, and production sports that make certain the pleasure of the consumer. The horticulture enterprise may be divided into 3 areas: pomology, olericulture, and decorative horticulture. Each location is specific and consists of many professional opportunities.

Pomology:

    Pomology is the planting, harvesting, storing, processing, and advertising of fruit and nut plants. Fruit plants encompass each big and small culmination. Examples of big culmination are peaches, apples, and pears. Small culmination encompasses strawberries, raspberries, and blueberries. Almonds,
pecans, and walnuts are 
famous nut plants. 

https://youtu.be/nMt5VEqYYP8



Olericulture:

The vicinity of horticulture that entails the manufacturing of vegetable meals vegetation is olericulture. Olericulture consists of the planting, harvesting, storing, processing, and advertising of vegetable vegetation. Sweet corn, tomatoes, snap beans, and lettuce is examples of vegetable vegetation.

https://youtu.be/r0wJCip_sHk



Ornamental horticulture:

    The boom and use of vegetation for her splendor is the place of horticulture referred to as decorative horticulture. Ornamental horticulture entails the manufacturing and use of woody and herbaceous vegetation. Because of using inexperienced vegetation, the decorative horticulture enterprise is regularly referred to as the “inexperienced enterprise.”Ornamental horticulture is divided into categories. These are floriculture and landscape horticulture. Both contain the use of flowering and foliage vegetation. Foliage vegetation is the one used for her colorful greenery or leaves.
Floriculture is the place of decorative horticulture related to the manufacturing and use
of flowers, potted vegetation, and annual bedding vegetation. It consists of using floral merchandise withinside the florist's trade. Poinsettias, carnations, philodendrons, and petunias are not unusual place vegetation associated with floriculture.
    The manufacturing and use of vegetation to decorate the outdoor surroundings is panorama horticulture. Landscape horticulture consists of designing plans for landscapes, putting in landscapes detailed withinside the plans, and preserving the landscapes. Maples, oaks, forsythia, honeysuckle, English ivy, peonies, and Kentucky bluegrass are not unusual place landscape plant materials.

Horticulturists work:

  • Work and behavior studies withinside the disciplines of plant propagation and cultivation, crop production, plant breeding, genetic engineering, plant biochemistry, and plant physiology.
  • Generally paintings with fruits, berries, nuts, vegetables, flowers, trees, shrubs, and turfs.
  • Work to enhance crop yield, great, dietary value, and resistance to insects, illnesses, and environmental stresses.
  • Work in putting up harvest shelf lifestyles and great control of reduced flowers, in vitro development of flower plants in addition to in defensive cultivation of flower plants.
  • Maintenance of parks, public gardens, legitimate lawns, etc. They paint in botanical gardens and supervise the entire operation. They determine what, while, and in which to plant and decide the perfect techniques for planting and preservation.

 Specialization:

    Some horticulturists specialize withinside the cultivation of flora and increasing new varieties. Many concentrates on ornamental plant cultivation, withinside the manufacturing of saplings of flower and fruit trees, retaining orchards, and vineyards.

Importance of Horticulture:

These are following are given below:

1. Importance for daily nutrition in the human body:

    According to a few nutritionists’ points of view, horticulture performs a crucial function in human day-by-day residing due to the fact the human frame wishes for a particular amount of minerals nutrients carbohydrates, and proteins as nicely in a day-by-day routine diet. The horticulture end result and veggies comprise those important factors of the frame which offer the desired amount of nutrients for healthful residing.

2. Horticulture increases food security:

    There are many under-developed countries life African regions that are facing food scarcity. Those region’s people even did not get one-time meals properly. But Horticulture increases food scarcity to fulfill the needs of the population of the country.

    It increases the production of various seasonal fruits and vegetables which can be easily accessible to everyone for consumption with low prices by using new methods of technology.

 3. Enhance healthy production of vegetables and fruits:

    Horticulture complements the productiveness degree of various culmination and greens which offers simple healthful vitamins to the frame and a balanced food regimen. This is the predominant aspect to know why horticulture is important?

Low food regimen culmination and greens considerably make contributions to a number of the world’s maximum large and debilitating nutrient-associated disorders.

 4. Essential for the cure of many acute diseases:

    Horticulture vegetation is very beneficial for the therapy of many acute illnesses. Many of the flowers are used to therapy exceptional illnesses and those use them as medicine. It is an excellent supply of manufacturing uncooked substances for natural medicine.

The use of inexperienced vegetables, sparkling juices, and fruits prevent the human frame from severe acute illnesses.

5. Source of Herbal medication:

    Horticulture isn't always the most effective essential for the cultivation of natural end results and vegetables. It has identical significance in cultivating natural drugs. There are many nations in which horticulture consists of cultivation and dealing with of herbaceous and woody flora which are essential for the medication. Many pharmacist industries increase such flora and plant homes to make their very own manufacturing individually.



    Most importantly those horticulture vegetation is the number-one supply of uncooked fabric in making ready natural drugs and those natural drugs are loose from all forms of facet consequences on human as properly as animal bodies.

    Nowadays, maximum human beings opt to use such natural drugs rather than different scientific medications.

References:

https://www.canr.msu.edu/hrt/about-us/horticulture_is#:~:text=Horticulture%20is%20the%20science%20and,Decorative%20indoor%20plants%20and

https://www.senecahs.org/pages/uploaded_files/Introduction%20to%20Horticulture.pdf

https://www.eduvision.edu.pk/careers/?id=41

https://curiousdesire.com/why-horticulture-is-important/

 

 

 




40. Production Technology of Stevia

Stevia  Introduction:      Stevia is a plant species native to South America, particularly Paraguay and Brazil. It is a member of the sunfl...