The term ideotype, literally meaning a form denoting an idea, was first coined by donald 1968, who described it as a biological model which is expected to perform or behave in a predictable manner within a defined environment. Instead, ideotype models should be thought of as a complement to, not a replacement for, traditional breeding methods 3,14. Morphological acclimation to agronomic manipulation in. Plant breeding is a technique through which genetic traits of a plant are changed. Click download or read online button to get history of plant breeding book now. A ray of sunshine for sunflower breeding how a government agency, an agricultural trade group, and a biotech company came together to bring sunflower breeding into the genomics era. Dec 06, 2017 plant breeding is a technique through which genetic traits of a plant are changed. Current lines are early maturing, uniculm, sixrow barleys, of medium height, high harvest index, and moderate resistance to lodging. Progress in ideotype breeding to increase rice yield. It also explains the difference between traditional plant breeding and marker assisted. Breeding for yield in dry bean phaseolus vulgaris l. Crop science abstract an evaluation of ideotype breeding1. Donalds ideotype breeding approach was intended to break yield barriers.
Download free sample and get upto 48% off on mrprental. Some desirable traits are incorporated to produce a new variety. Breeding vegetable crops download ebook pdf, epub, tuebl. An ideotype is a hypothetical plant described in terms of traits that are thought to enhance genetic yield potential. Heterosis breeding is a significant genetic tool that can encourage yield upgrade from between 30 to 400% and improves numerous other desirable qualitative traits in crops srivastava, 2000. The ideotype concept and its application to the selection of cultivars of trees providing agroforestry tree products article pdf available in forests trees and livelihoods 161 january. Assessing yield gap in high productive countries by. A barley breeding programme based on an ideotype the.
Ideotype definition is a specimen collected from other than the type locality but identified as belonging to a particular taxon by the author of that taxon. However, they have lax leaves of medium length, in contrast to the short, erect leaves of the ideotype. Jan 17, 20 the scd ideotype is focused on a particular crop, maize, since the ideotype can be more specific in the context of a given crop and its agroecology. Strategies employed by dry bean breeders to improve yield include early generation testing, ideotype breeding, selection for physiological efficiency, and selection based on genotypic performance and combining ability across gene pools of phaseolus vulgaris. Ideotype breeding has been successfully deployed to improve yield in navy, pinto and great northern seed types. A common misconception about ideotype breeding is that it exists in opposition to traditional methods of breeding and selection. The ideotype approach has been used in breeding programs at the international rice research institute irri and in china to improve rice yield potential. Economic use the ideotype also differ according to the economic use of the crop, for example, dwarf types are useful in sorghum and pearl millet when the crop is grown for grain purpose. For example, donald 1968 proposed an ideotype for wheat, which has become a paradigm for wheat breeding in australia, containing a number of attributes based on the relationship between these traits and yield in relevant environments and our knowledge of the physiology of the. Interdisciplinary approach ideotype breeding is in true sense an interdisciplinary approach, it involves scientist from the disciplines of genetics, breeding, physiology, pathology, entomology etc. C h a p t e r 6 breeding objectives o u t l i n e introduction 97 interspecific interactions 107 plant ideotypes and ideotype breeding 101 r.
The role of nutrient efficient crops in modern agriculture. A plant breeders experience with ideotype breeding. Features of ideotype breeding ideotype breeding or plant type breeding can be defined as a method of crop improvement which is used to enhance yield potential through genetic manipulation of individual plant characters are chosen in such a way that. The purpose of this discussion paper is to facilitate a broad discussion with organic farmers and other stakeholders, such as breeding companies, interest groups and policymakers.
But when these crops are grown for fodder purpose, tall stature is desirable one. Morphological acclimation to agronomic manipulation in leaf dispersion and orientation to promote ideotype breeding. This video lecture about the planned biotechnology explains about the different methods of plant breeding. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. These are as yet but faint and uncertain indices of the attributes of suc cess, and the maize breeding programmes of the united states, other than those aimed at defect elimination, continue to be based principally on inbreeding, hybridisation. Information and translations of ideotype in the most comprehensive dictionary definitions resource on. Crop ideotype its features and steps in ideotype breeding authors. Download pdf plant breeding for pest and disease resistance. New zealand nz, australia and the usa, including freeair co2. Pdf history of plant breeding download full pdf book. Everything you need to know about ideotype breeding.
To accelerate breeding, wheat ideotypes can provide the key traits for. One of the main advantages of sem is that it can be used to study the relationships among latent constructs. Buy essentials of plant breeding by k v mohanan pdf online. History of plant breeding download ebook pdf, epub. View plant ideotype concept ppts online, safely and virus free. Firstgeneration new plant type npt lines developed from tropical japonica at irri did not yield well because of limited biomass production and poor grain filling. Morphological acclimation to agronomic manipulation in leaf. An ideotype is presented of a spray chrysanthemum for summer flowering in allyearround schedules. Introduction to ideotype breeding in broad sense an ideotype is a biological model which is expected to perform or behave in a predictable manner within a defined environment. Breeding objectives c h a p t e r 6 breeding objectives o u t l i n e introduction 97 interspecific interactions 107 plant ideotypes and ideotype breeding 101 r. Slow progress ideotype breeding is a slow method of cultivar development, because incorporation of various desirable characters from different sources into a single genotype takes long time.
Moreover, less leafy types are desirable for grain purpose and more leafy genotypes for fodder purpose. Download pdf history of plant breeding book full free. Breeding vegetable crops download ebook pdf, epub, tuebl, mobi. Multitrait index based on factor analysis and ideotype. Progress has been made in secondgeneration npt lines developed by crossing. Most plant breeding is based on defect elimination or selection for yield. This method differs from other multivariate approaches in plant breeding, such as smith. You must there are over 200,000 words in our free online dictionary, but you are looking for one thats only in the merriamwebster unabridged dictionary. Moreover, sometimes undesirable linkage affects the progress adversely. Download essentials of plant breeding by k v mohanan pdf. Agronomy free fulltext domestication of perennial flax. A ray of sunshine for sunflower breeding how a government agency, an agricultural trade group, and a biotech company came together to.
Pdf history of plant breeding download full pdf book download. A breeding programme based on ideotype focuses on multitrait simultaneously. Based on these approaches the organic farming system is described and a general crop ideotype is defined. Sandeep kumar bangarwa and ashwani kumar the concept of ideotype in plant breeding was introduced by donald in 1968 to describe the idealized appearance of a plant variety. In systematics, an ideotype is a specimen identified as belonging to a specific taxon by the author of that taxon, but collected from somewhere other than the type locality the concept of ideotype in plant breeding was introduced by donald in 1968 to describe the idealized appearance of a plant variety. The tools outlined herein should prove useful to other breeders and especially for undomesticated crops. Eventually most plant breeding may be based on ideotypes. The idea behind ideotype for climate change is to adapt agriculture to global. Ideotype breeding main features of ideotype breeding features of ideotypes of wheat, rice, maize, barley and cotton. Evidence from 3d visual modeling of super rice oryza sativa l. An increase in productivity is always one of the main goals of any crop breeding program including rice. Pdf the ideotype concept and its application to the. Progress in ideotype breeding to increase rice yield potential. It refers to ecological and ethical principles, including the nonchemical and agroecological approach, and also taking the integrity of life into account.
A biological mode which is expected to perform or behave in a predictable manner within a defined environment is known as ideotype. Click download or read online button to get breeding vegetable crops book now. Plant breeding and applied genetics plant breeding and applied genetics ute achenbach summer, 2008 course. For example, reduced plant height in wheat and reduced plant height coupled with erect leaf in rice are well known cases. History of plant breeding available for download and read online in other formats. Grain yield is the direct or indirect product of individual plant traits.
Strong apical dominance whilst growing vegetatively, and rapid and widespread release of axillary meristems from apical dominance after the removal of the vegetative terminal meristem or after the. Crop science abstract an evaluation of ideotype breeding 1. The following lessons should be remembered when the ideotype breeding approach is used in other crops. The ideotype specific phenes that may contribute to rooting depth in maize include a. Increase in grain yield potential is the major goal of almost all rice breeders programs. It is essential to develop varieties free from toxic compounds in some crops to make them safe for human consumption. Whether the ideotype concept is applied as a framework for selection or simply as a means of generating hypotheses, applying this approach can provide structure to breeding programs with complex objectives. Ideotype breeding is defined as a method of breeding to enhance genetic yield potential based on modifying individual traits where the breeding goal phenotype for each trait is specified. Some instances of the successful use of model characters of this kind are quoted. An attempt has been made to produce barley lines in accordance with an ideotype designed in 1968. A textbook which addresses both conventional and modern means of plant breeding like. A case study on maize, computers and electronics in agriculture on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. History of plant breeding download ebook pdf, epub, tuebl, mobi. Read optimization of sourcesink dynamics in plant growth for ideotype breeding.
For example, removal of neurotoxin in khesari lentil. Selection in ideotype breeding selection is focused on individual plant character which enhance the yield 6. Read ideotype breeding for submergence tolerance and cooking quality by markerassisted selection in rice, field crops research on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. The concept of ideotype in plant breeding was introduced by donald in 1968 to describe the idealized appearance of a plant variety. Hazel classical index, which tends to focus on few traits and not on the underlying plant morphology and physiology. This site is like a library, use search box in the widget to get ebook that you want. Pdf physiological approaches for ideotype breeding in rice. In some cases this extension has involved a breeding approach based explicitly on the design and selection of model plants or ideotypes. Introduction to ideotype breeding in broad sense an ideotype is a biological model which is expected to perform or behave in a.
This paper provides an account of my research experience with ideotype traits, including discussion of challenges and opportunities afforded by ideotype breeding. The success of super hybrid rice breeding in china and progress in npt breeding at irri suggest that the ideotype approach is effective for breaking the yield ceiling of the irrigated rice crop. Donald waite agricultural research institute, the university of adelaide, south australia received i7 november, 1967 summary most plant breeding is based on defect elimination or selection for yield. Dec 09, 2015 this video lecture about the planned biotechnology explains about the different methods of plant breeding. Dec 03, 2017 features of ideotype breeding ideotype breeding or plant type breeding can be defined as a method of crop improvement which is used to enhance yield potential through genetic manipulation of individual plant characters are chosen in such a way that each character contributes towards increased economic yield. A barley breeding programme based on an ideotype volume 93 issue 2 c m. Breeding tools improving yields in current climate scenarios might contribute. Domestication of perennial flax using an ideotype approach. However, many goals can be identified for this crop varying in importance from region to region, country to country, and even within a given country.
Dwarf breeding based on ideotype breeding began in china in 1956 using the sd1 gene from aizizhan huang, 2001. Department of genetics and plant breeding breeding. In systematics, an ideotype is a specimen identified as belonging to a specific taxon by the author of that taxon, but collected from somewhere other than the type locality. As discussed, the ideotype model should never be static but should change as more knowledge. A valuable additional approach is available through the breeding of crop ideotypes, plants with model characteristics known to influence photosynthesis, growth and in cereals grain production. Information and translations of ideotype in the most comprehensive dictionary definitions resource on the web. Click download or read online button to plant breeding for pest and disease resistance book pdf for free now. Pdf yield potential of irrigated rice has experienced two quantum leaps chen et al. It is also known as ideal plant type or model plant type. Pdf the breeding of crop ideotypes septian p academia. Plant breeding for pest and disease resistance download plant breeding for pest and disease resistance ebook pdf or read online books in pdf, epub, and mobi format.
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