eChapters

Abstract

This chapter explores farm budgeting, a method of evaluating plans for the allocation of agricultural resources at the decision-maker’s level. It involves estimating the income, costs, and profit of different farm activities.

Introduction The ecological stability and food web of intertidal environments are significantly influenced by macroalgae. The majority of marine organisms, including macroalgae, coral reefs, sponges, and the organisms that they are associated with, are well known for producing secondary metabolites and bioactive compounds, which increase their value in a variety of industries, including food, neutraceuticals, pharmaceuticals, and others. Among them, seaweeds play a vital role in promoting health by offering a variety of phytochemicals with antioxidant, antibacterial, anticancer, and antiviral action (Ngo et al. 2012). Worldwide, there have been more than 20,000 macroalgal species identified. In South Asian nations including China, Japan, and Korea, it has been used as sea vegetables. India now has 841 macroalgal species identified,including 434, 191, and 216 species of red algae, brown algae, and green algae, respectively (Oza and Zaidi, 2001).

19.1 Introduction

Quality has been defined as the properties of any given food that have an influence on the acceptance or rejection of this food by the consumer. Egg quality is a general term which refers to several aspects of both internal and external quality. Internal egg quality involves functional, aesthetic and microbiological properties of the egg yolk and albumen. The proportions of components for fresh egg are 32% yolk, 58% albumen and 10% shell. The quality of an egg is at its best when the egg is laid. There is no known method by which this quality can be improved subsequently.

Arrangement of plants and animals into groups according to their close resemblance, naming and describing them is called classification. Classifying the plants into groups is called systematic botany. The main aim of classification is to name the plant to describe them and to bring out their resemblances in order to throw light on their relationship and common ancestor. It is to indicate primitive and advanced plants systematically.

Need for Classification

It is not possible for anyone to study all the organisms. But if they are grouped in some convenient way the study would become easier as the characters of a particular group or a family would apply to all the individuals of that group. Classification allows us to understand diversity better.

Classification of plants

Entire plant kingdom is divided into four main groups.

1. Thallophyta 2. Bryophyta 3. Pteridophyta 4. Spermatophyta or Phenerogams

Types of Chemicals Used in Disease Management
1. Fungicides: Used to control fungal pathogens, fungicides can either prevent infection (protectant fungicides) or cure infections after they
occur (systemic fungicides). Examples include copper-based fungicides like copper oxychloride and sulfur-based compounds.
2. Bactericides: These are designed to control bacterial pathogens. Common examples include streptomycin and copper compounds, which act against bacterial blights and spots. However, bactericides are less widely used than fungicides due to limited availability of effective products.
3. Nematicides: These chemicals target nematodes, which cause root diseases in crops. Carbofuran & oxamyl are commonly used nematicides.
4. Fumigants: These are volatile chemicals applied to soil to kill a wide range of soil-borne pathogens, including fungi, bacteria, and nematodes. Examples include methyl bromide and chloropicrin.
Contact vs. Systemic Chemicals
1. Contact Pesticides: These chemicals remain on the surface of plants and must come into direct contact with pathogens to be effective. They are most effective as preventative measures.
2. Systemic Pesticides: These are absorbed by the plant and move through its tissues, offering protection from within. Systemic fungicides, such as triazoles, are curative, meaning they can halt an infection after it has started.

Impact assessment approaches
Impact assessment approaches can be classified into four broad categories i.e. quantitative, qualitative, participatory and mixed methods.
i. Quantitative impact assessment approaches
• It focuses on assessing the degree and extent of the impacts quantitatively.
• Some degree of quantification may be necessary in all impact assessments, in order to evaluate the success of the Intervention and the extent of any adverse effects.
• Largely depends on micro-economic approaches following econometric models
• Involving baseline studies: The precise identification of baseline conditions, definition of objectives, target setting, rigorous performance evaluation and outcome measurement
• Costly and limited scope: Limited in the types of impacts which can be accurately measured and may pose difficulties for inference of cause and effect.

Genus : Fragaria
Species : ananassa Duch.
Family : Rosaceae 
Chromosome No. : 2n=14, 25, 42, 56

Strawberry is relatively small genus comprising of usually low perennial creeping herbs, wild forms found wide spread in temperate and subtropical parts of the world. Cultivated strawberry is highly polymorphic and wide range of diversity present in the wild germplasm has resulted in the development of present day strawberry. Today it is grown throughout the world and is rated high in the list of liked foods. The breeders have contributed enormously towards the development of cultivars with wide adaptability and through the incorporation of desired traits helped to improve its quality dramatically over its wild forms. Today strawberry is known for its distinct delicate flavour, attractive fruit shape and colour and has made a special niche in the soft fruits culture. The cultivated strawberry Fragaria x ananassa Duch has resulted from the crossing of two local America species F. chiloensis (L) Duch. and F.virgianana, Duch.

ABSTRACT

Though the genetic control of sex determination is being explored in several animal systems, no much information is available on the genetic basis for sex specificities in dioecious or sexually polymorphic plant species. Date palm is a unique member of the family Palmaceae which exhibits dioecy. Here we report the sex-specific variation in the genomic DNA of male and female date palms as revealed from an extensive study conducted with palms representing different date palm growing regions of the Kingdom of Saudi Arabia. The genomic DNA content in females was less than 60 per cent compared to those of the male genotypes. Polymerase chain reactions carried out to amplify different segments of the alcohol dehydrogenase (AdhA) gene from the date palm genomic DNA yielded two DNA fragments each in the female genotypes where as the same primers amplified a single fragment in male plants. Genomic Southern analysis of Eco R1 restriction digests showed RFLP between the male and female genotypes with the male plants showing a single hybridization signal of approximately 14 kb size and the females showing six additional bands of varying molecular weights. The results of our investigations reveal the potential of molecular biology in differentiating the sex in date palm at DNA level. Further research is needed to develop DNA markers that will help to unequivocally identify the sex of dioecious plants at the seedling stage.

3.1. Downy mildew of peas
It is an important disease of pea crop particularly in those areas where cool and wet climate is prevalent during its cultivation. The disease during favourable weather conditions causes considerable yield losses.
Pathogen: Peronospora viciae (formerly P. pisi)
Host range
Vigna faba, Vigna sativa. Pisum arvensis, P.sativum, Lathyrus sativus, Vicia hirsuta, Vicia sativa, Vicia villosa (Dixon, 1981).
Geographical distribution
Reports of the pathogen are from different countries on different crop host.
On Pea- Berkeley in England first discovered the disease in 1846 (Chupp and Sherf, 1960) and since then it has been found in all parts of the world where the crop is grown intensively. The occurrence of the disease has been reported from Argentina, Australia, Canada, Chile, Denmark, France, Germany, Kenya, Netherland, New Zealand, Rhodesia, Spain, Tasmania, USA, Ukrain, Italy, Poland and Australia (Dixon,1981). In India it is prevalent in Indogangetic plains including Uttar Pradesh and Punjab (Bains and Dhaliwal, 1986).

Introduction

The immense use of chemicals and pharmacological entities has put the public health at brisk of potential health hazards. These substances in modern days are presented in the form of common constituents of food, medicines, beverages and junk foods etc. However, long term consumption of these substances might be responsible for chronic toxicity, but the accidental ingestion of large quantities of these substances may result into adverse acute toxic reactions. Hence an experimenter should have the acumen to develop and perform the acute toxic tests in order to find out the lethal dose 50 i.e. LD50 of the substances.

Acute Toxicity Studies

Acute toxicity studies helps to establish the dose dependent adverse effect including mortalities. The LD50 has been used as a major parameter in screening of pharmacological agents for acute toxic potential. Apart from mortality, other biological effects and the time of onset, duration and degree of recovery on survived animals, are also important in evaluation of acute toxicity. Hence, acute toxicity study solely gives information about LD50, therapeutic index and the degree of safety of a pharmacological agent.

Acute toxicity is defined as adverse effects occur following oral or dermal administration of a single dose of a substance, or multiple doses given within 24 hours, or an inhalation exposure of 4 hours. Oral administration is the most common form of acute systemic toxicity testing.

Abstract

Pulses being nutritionally vital, is an important constituent of diet for a very large number of peoples. A part from being a relatively cheaper source of dietary protein, it is also an important source of calories, certain essential amino acid, minerals and vitamins. Post harvest scenario of pulse shows that 75 per cent of production was milled in pulses with as dehusked split i.e. dal. Traditionally green gram and black gram dal is dehulled manually after soaking in water. Present investigation was carried out to develop the wet type dehuller and study was carried out on water absorption characteristics of green gram and black gram. The result reveals that the dehulling efficiency of abrasion type mechanism was about 95 per cent and 92 per cent in case of shearing type mechanism. It has been observed that rate of water absorption was initially high and then gradually decreases i.e. 0.54 to 0.18 and 0.48 to 0.18 for black and green gram, respectively. 

21.1 Introduction

The egg industry has grown quickly in the last decade as people’s eating habits have become more aware of the importance of good and nutritious diets. Eggs are now widely accepted as a good source of high-quality protein. Increased demand in consumer choice has resulted in a wide variety of egg selection available in the retail market. Eggs of high quality are needed to sustain niche markets for specialty and designer eggs–seeking consumers. Egg quality defines those characteristics of an egg that affect consumer acceptability and preference. The parameters for egg grading include shell cleanliness, strength, texture, and shape; the relative viscosity of the albumen; and the shape and firmness of the yolk.

History and thorough physical examination is crucial procedures in making diagnosis in horses. Mental attitude of a horse may help in understanding whether it has a localized problem or is systemically ill. Horse is better approached by its left side, keeping himself/herself next to the shoulder. Examination of the horse should be started in a non-threatening, easy, and quiet way. Generally physical examination starts at the head to prevent possible injury to unfamiliar examiner. Abnormalities in demeanor and mentation can be assessed by watching the horse’s initial response to the environment. The locomotor and neurologic systems are examined by observing the horse’s movements and gait at walk and trot, both on straight line and in turns, and backing. Horse weight should be taken. General inspection of the horse should be conducted by standing back keeping a safe distance and looking at the horse for it condition, abdominal shape, muscle symmetry,

Genus   : Rubus
Species : idaelus L. (European Red
                Raspberry) strigorus Michx. 
                (Red Raspberry occidentalis L. 
                (Black Raspberry)
Family : Rosaceae
Chromosome No. : 2n = 14 
                            (variable 28, 42, 56, 84)

The blackberries, raspberries, dewberries, boysenberry are collectively referred to as bramble fruits.  Mostly found in the north hemisphere. They belong to the family Rosaceae and genus Rubus. The family has nearly 250 species besides also has large number of apomictic segregates. Usually shrub, the woody species has biennial canes i.e. in the first year remains vegetative and in the second year it fruits and dies. Leaves variable in form from simple leaf to pinnately or palmately compound.  Flowers usually occur in clusters and are variable in colour, white pink to red.  Fruit is an aggregate of number of small drupes.

Green revolution technologies such as greater use of synthetic agrochemicals like fertilizers and pesticides, adoption of nutrient-responsive, high-yielding varieties of crops, greater exploitation of irrigation potentials etc. has boosted the production output in most cases. However, continuous use of these high energy inputs indiscriminately now leads to decline in production and productivity of various crops as well as deterioration of soil health and environments.

22.1 What is Livestock Product Marketing?

Livestock Products Marketing is the change of ownership of livestock derived food products. It links the livestock production and food consumption. There are three aspects of livestock market transactions:

1. Spatial – transactions occur across space

2. Temporal – transactions occur across time

3. Form – transactions occur in a certain form

Primary Dicot Stem

A stem with only primary permanent tissues is called primary stem. It represents a young stem. The different tissues present in dicot stem are arranged in concentric layers. e.g. Sunflower

I) Epidermis

Epidermis is the outermost layer of the stem. It is made up of compactly arranged parenchymatous cell, which look rectangular in transverse section. The cells are transparent and devoid of chloroplasts. The outer walls are convex, thickened and cutinized. On the outer side they possess a layer of cuticle. The internal walls of the epidermal cells are thin. The radial walls are thick towards the outer side and gradually become thin towards the inner side. Pits occur in the radial walls. The epidermis of sunflower bears several unbranched multicellular hair. At place the epidermis contains minute pores called stomata or stoma. Each stomata or stoma has a pair of specialized kidney shaped cells called guard cells. The guard cells have a few chloroplasts. By their swelling, the two guard cells can form a pore between them.

Introduction
The sun is the primary source of energy for all life on Earth. The primary energy source for the majority of ecosystems is limited to this one. Photosynthesis is performed by green plants, certain types of algae, and microorganisms. They utilize solar energy to fuel chemical reactions that combine basic inorganic components to create intricate organic chemicals. Elements undergo a cyclical process as they move through the different compartments of an ecosystem.
Photosynthesis is the process by which solar energy is captured and transformed into food in the form of chemical energy. Food comprises fundamental elements such as carbon, hydrogen, nitrogen, and other necessary elements, along with stored energy. The components present in the food undergo recycling. The flow of energy and nutrients begins with the producers, then moves to the consumers, and ultimately returns to the producers through the activity of decomposers. Energy, in contrast to materials, is not subject to recycling. Food traverses the food web, resulting in energy dissipation. Typically, just a mere 10% of the energy accumulated in a certain trophic
level, such as the producers, is effectively passed on to the subsequent trophic level, such as the herbivores. This is referred to as the energy pyramid. Ultimately, the energy available in the trophic level becomes so depleted that it cannot sustain any higher trophic levels. Consequently, the presence of fourth order consumers in any ecosystem is extremely rare.
The biotic component, often known as the life component of the environment, encompasses a diverse array of plants, animals, and bacteria, which form interconnected communities.