eChapters

6.1. Line × tester analysis

A successful approach of crop breeding programme depends on the proper choice of best parents for hybridization and the ideal selection adopted in the early generation. But, the selection of parents for hybridization programme is relatively tough in the case of complex traits like yield and their components as they governed by large number of quantitative genes which are influenced by environments and seasons. Thus, breeders often meet with difficulty to fix in advance the desirable parents which will give superior progenies. In such a situation, knowledge on the nature of gene action on such complex quantitative traits of economic importance is necessary to plan and adopt appropriate selection techniques (Simmonds, 1979) and breeding methodology.

Combining ability analysis gives useful information regarding the selection of parents in terms of the performance of the hybrids. This analysis elucidates the nature and magnitude of various types of gene action involved in the expression of quantitative traits (Dhillon, 1975). Thus, the knowledge of combining ability serves as an useful tool for the selection of plants for hybridization and further exploitation. Combining ability consists of general and specific combining ability.

Sprague and Tatum (1942) defined general combining ability (gca) as the “average performance of a line in hybrid combinations” and specific combining ability (sca) “as those cases in which certain combinations do relatively better of worse than would be expected on the basis of the average performance of the lines involved. The general combining ability provides an indication of the importance of genes of largely additive in nature, while specific combining ability indicates the importance of non-additive gene effects.

Several biometrical techniques are available to estimate the general combining ability of parents and specific combining ability of hybrids. Among them, line × tester analysis is extensively used both in self and cross pollinated crops. The advantage of line × tester analysis is that a large number of inbred lines can be evaluated than diallel analysis. Besides, it provides additional information on the performance of the specific hybrids on gene action in contrast to top cross or polycross. The line × tester analysis is an efficient biometrical approach for assessing the combining ability of parents and hybrids (Kempthorne, 1957).

Introduction

The floriculture industry in India is characterized by growing traditional flowers (loose flowers) and cut flowers under open field conditions and protected environment conditions, respectively. India also has a strong dry flower industry, which contributes a major share to the overall trade. Other segments like fillers, potted plants, seeds and planting material, turf grass industry and value added products also contribute a share in the overall growth of the floriculture sector. 

Area and Production

With the rise in people’s investment in flower purchase for gifts at social ceremonies or for home decoration, the focus shifted to production of cut flowers too. The fresh increase in the area under flowers is more for cut flower production, but not necessarily at the cost of loose flower production.
A large share of the total world production area is in India. With an estimated area of 1,60,000 ha (2007-08), India perhaps is the largest production base in the world. The last decade and a half has witnessed significant increase in the area under flowers, which has tripled from 53,000 ha (1993-94). 
(Fig. 1).

Chocolate is a key ingredient in many foods such as milk shakes, candy bars, cookies and cereals. It is ranked as one of the most favourite flavours in North America and Europe. Despite its popularity, most people do not know the unique or igins of this popular treat. Chocolate is a product that requires complex procedures to produce. The process involves harvesting coca, refining coca to cocoa beans, and shipping the cocoa beans to the manufacturing factory for cleaning, conching and grinding. These cocoa beans will then be imported or exported to other countries and be transformed into different type of chocolate products.

In history, 1828 marked the “modern era” of chocolate making when Dutch chocolate maker Conrad J. van Houten patented an inexpensive method for pressing the fat from roasted cacao beans along with other processes to create a fine powder known as “cocoa”. The powder was then treated with alkaline salt that helped the powder mix with water easily. The creation of powdered chocolate made it easier to mix with water, sugar and a possible combination of other ingredients to make chocolate in solid form. Many other chocolate makers began to build on Van Houten’s success to make a variety of chocolate products. In 1894, English chocolate maker Joseph Storrs Fry produced what was arguably the world’s first eating chocolate”

Introduction

National Commodity & Derivatives Exchange Limited (NCDEX) is a professionally managed on-line multi commodity exchange offering commodity futures trading in a wide range of commodities viz, agricultural, base metals, precious metals, energy, ferrous metal, and others. The shareholders of NCDEX comprises of large national level institutions, large public sector bank and companies. Promoter shareholders of the Exchange include ICICI Bank Limited (ICICI), Life Insurance Corporation of India (LIC), National Bank for Agriculture and Rural Development (NABARD) and National Stock Exchange of India Limited (NSE). Other shareholders are: Canara Bank, Punjab National Bank (PNB), CRISIL Limited, Indian Farmers Fertiliser Cooperative Limited (IFFCO), Goldman Sachs, Intercontinental Exchange (ICE) and Shree Renuka Sugars Limited. NCDEX is the only commodity exchange in the country promoted by national level institutions. This unique parentage enables it to offer a bouquet of benefits, which are currently in short supply in the commodity markets. The institutional promoters and shareholders of NCDEX are prominent players in their respective fields and bring with them institutional building experience, trust, nationwide reach, technology and risk management skills. 

Milk, on reception at the dairy factory is subjected to various unit operations on its way to product manufacture. Processing is applied as a means to convert liquid milk into products or to render the milk (and products) safe from harmful organisms. The basic processing operations to which milk is subjected at processing units have been described in this chapter. The common processing operations employed are depicted in Fig. 4.1. Several of these operations are routine compulsory processes common to all dairies, while certain others are undertaken for specialized purposes in some dairies.

4.1. Filtration and Clarification

At the time of milking various foreign materials such as dirt, feed, manure, dandruff, hair, flies, dust particles, worn out cells, cell debris and many other undesirable substances may find their way into milk. The process of removal of this extraneous matter (solid particles of higher density than that of milk) is called filtration or clarification. This can be achieved either by simple filtration through specially woven filter cloth or continuous process of centrifugal clarification that helps

1. FRUIT CROPS

1.1 Physiological Disorders

A wide variety of physiological disorders are found in apple fruit, but the susceptibility varies with variety, pre-harvest factors and post harvest conditions. Disorders can be considered in three categories:

1. Disorders that develop only on the tree: Most important is watercore in which intercellular air spaces in the core and cortical tissues become filled with liquid, Presence of watercore in fruit at harvest creates problems in certain varieties such as ‘Delicious’ because fruit with moderate or severe watercore can develop breakdown during storage.
2. Disorders that develop on the tree and during storage: Bitter pit is a disorder characterized by development of discrete pitting of the cortical flesh. Rapid cooling, CA storage and application of postharvest calcium drenches may be able to reduce its occurrence.
3. Disorders that develop during storage: Senescent breakdown disorders, chilling disorders and disorders associated with inappropriate atmospheres during storage are common disorders. The most common disorders associated with temperature and atmospheres are superficial scald, soft scald, low temperature breakdown, brown core, internal browning, low O2 injury, and high CO2 injury.

Objectives
• To understand the meaning and importance of communication.
• To explore the basic components and process of communication.
• To identify the different types and forms of communication.
• To recognize barriers to effective communication and strategies to overcome them.
• To develop an appreciation for the role of communication in personal and professional contexts.
Meaning and Importance of Communication
Communication is the process of exchanging information, ideas, emotions, and messages between individuals or groups. It is a fundamental aspect of human interaction and plays a vital role in personal, social, and professional contexts. Effective communication enables understanding, fosters relationships, and facilitates decision-making.

Communication is not merely the transfer of messages between a sender and a receiver. It involves the construction of meaning influenced by the social environment or domain in which it occurs. In both non-work and work domains, communication often has specific intents and purposes. In the workplace, the role of power significantly influences communication, creating opportunities for message distortion.

Power Dynamics in Workplace Communication

In work settings, power dynamics play a crucial role in shaping communication. This power is typically asymmetrically distributed, often leading to the distortion of messages. To distort a message means to alter its original shape, resulting in linguistic abnormalities or deviations from the proper meaning of a sign. Intentional distortion manipulates the perception of a message, facilitating pre-designed and purposive misrepresentations.

Impact of Distortions on Language

Distortions in communication impact the language used in the workplace. Management, which generally has greater access to communication channels and language use, is more likely to construct messages with intentional purposes. These purposes are usually aligned with organizational goals, primarily profit. In hierarchical work structures, management leverages its power to align communication with its objectives, making communication a tool for achieving instrumental purposes.

Language and Power in Workplace Communication

The language used in workplace communication often reflects the superior subordinate relationship. This dynamic is not limited to work-based relations but extends to non-work areas as well. Those with privileged access to media can achieve dominance over others, constructing meanings that subordinates must accept, even if those meanings are against their interests.

Objectives
• Understand the concept of communication gap.
• Identify the reasons behind communication gaps in personal, professional, and organizational settings.
• Explore the effects of communication gaps on relationships and productivity.
• Develop strategies to overcome communication gaps effectively.
Communication Gap
A communication gap occurs when there is a breakdown in the communication process, leading to misunderstandings, incomplete information transfer, or misinterpretation of messages. It can happen between individuals, groups, or organizations, and has significant impacts on relationships, productivity, and decision-making.
Reasons for Communication Gaps
Several factors contribute to communication gaps. These reasons can be categorized into three broad areas: individual, organizational, and technological.

Models Definitions

In social science research a model is a tentative description of what a social process, say the communication process or a system might be like. It is atool of explanation and analyses, very often in a diagrammatic form, to show how the various elements of a situation being studied relate to each other.

What is a Model?

Aristotle, Shannon and Weaver, Schramm, Berlo, Westly and Maclean, Leagan, Rogers and Shoemaker, Littererls model and Dance’s Helical Model-Elements of communication-communication barriers

Introduction

Models are symbolic representation of structures objects or operation. They can be used to show the size shape or relationship of various parts or components of an object or process. It helps to explain the working of a system. A model helps to get a whole idea of the system.

Model help to illustrate, predict and explain the concept

They can be structural or process oriented

Make us to understand the way how to interpret the process

Communication word comes from Latin ‘Communis’ - Common

Communication: The communication is the process of human interaction in

which one person communicates a message/idea to another person.

Diffusion: It is the process by which an innovation/new idea/new technique

spreads.

According to Rogers (1983) ‘Communication is the process by which the

message is transmitted from the source to the receiver’.

Function of communication

1. Informative

2. Instructive/Command

3. Influence/Persuasive

4. Integrative

Communicator: Person who starts the process of communication OR he is the

sender of message

Message: It is the information the communicator wishes his audience to

receive, understand and act upon

Encoding: It is a process of interpreting the message

Decoding: It is a process of receiving the message

 Objectives
• Understand the meaning of the communication process.
• Learn the various types of communication.
• Explore different models of communication.
• Analyze how communication flows in different contexts.
Meaning of Communication Process
The communication process refers to the systematic steps through which a message is conveyed from a sender to a receiver. It involves the transmission of information through a medium, with feedback confirming whether the message has been received and understood correctly.
Elements of the Communication Process
The communication process consists of the following elements:
• Sender: The person or entity initiating the message.
• Message: The content or information to be communicated.
• Encoding: The process of converting the message into symbols, language, or signals that can be understood by the receiver.
• Medium/Channel: The pathway through which the message is transmitted (e.g., face-to-face, email, phone).
• Receiver: The person or entity for whom the message is intended.
• Decoding: The process by which the receiver interprets and understands the message.
• Feedback: The response of the receiver that indicates whether the message was understood

The communication which is the core of the Communication Mix plays an important role in promoting the product to the outside world and especially to the target market. In the marketing of rural products, application of latest, innovative and enhanced technologies is crucial for effective communication with urban consumers. This also helps in conveying the features of rural products. The adoption of the latest technologies ensures the economic well-being of the rural marketers by increasing the reach of the products and in creating awareness about the product. The technology helps in faster dissemination of the rural product information to the consumer.

Origin

The world ‘Communication’ comes from the Latin word ‘communis’, meaning common. This implies that when we communicate, we are trying to establish ‘Commonality’ with someone through a message. Communication, then, is a conscious attempt to establish commonality over some idea, fact, feelings and the like, with others. In essence, it is a process of getting a source and a receiver tuned together for a particular message or a series of messages.

Origin

The term communication stems from the Latin word “Communis” meaning “common”. This implies that when we communicate, we are trying to establish ‘commonality’ with someone through a message. Communication, then, is a conscious attempt to establish ce, it is a process of getting a source and a receiver tuned together for a particular message or a series of message.

Definitions of communication

1.1 Meaning

The English word 'communication' is derived from the Latin communis, which means common sense. In other words, it is the transmission and interaction of facts, ideas, opinions, feelings, or attitudes. Communication is a two-way process that involves transferring info rmation or messages from one person or group to another. This process goes on and includes a minimum of one sender and receiver to pass on the messages. These messages can either be any ideas, imagination, emotions, or thoughts. Communication is a Latin word that means "to share".

Introduction

In the animal kingdom, there are many animals with a concrete social system in their ranks. Animals like lions, wolves, and apes have complex social systems in their lives. And what is the most important thing in a functional social system? It’s communication! Communication is the most important function in any social system, which binds that system.

And what organism has the most complex social system? It’s humans. Thus, the human social system requires a very complex communication system.

Community Development concepts

The United Nations defines community development as “a process where community members come together to take collective action and generate solutions to common problems. It is a broad term given to the practices of civic leaders, activists, involved citizens and professionals to improve various aspects of communities, typically aiming to build stronger and more resilient local communities.

Community development is a process where community members come together to take collective action and generate solutions to common problems. Community wellbeing (economic, social, environmental and cultural) often evolves from this type of collective action being taken at a grassroots level.

Community

1. A community is a group of people, who live in a geographical area and have an interest in each other for the purpose of making a living. It is a form of social organization existing between the family and state.
2. The people with common interests living in a particular area
3. An interacting population of various kinds of individuals (as species) in a common location
4. A group of people with a common characteristic or interest living together within a larger society