By Tapan Kumar Mondal
Tea is a vital non-alcoholic beverage plant of the realm. Cultivation of tea is essential because it earns profit for the tea turning out to be international locations particularly the constructing international locations resembling India. even if traditional breeding is well-established and has contributed considerably for varietal development of this plant and different Camellia species with decorative worth, but functions of biotechnology are required to interfere the various concerns the place traditional breeding is specific quite for woody crops corresponding to tea. it truly is note-worthy to say that a few quantities of biotechnology works in numerous aspects of tea and its wild species have additionally been performed. within the current publication, a cutting-edge on quite a few facets of breeding and biotechnology has been complied in 8 chapters. they're: i) starting place and outlines of overall healthiness merits in addition to morphological class as first bankruptcy, ii) Breeding and cytogenetics that include with a number of traditional methods of varietal development of tea in addition to their genetic assets, iii) Micropropagation which bargains with in-depth research of clonal propagation, iv) Somatic embryogenesis besides replacement suggestions akin to suspension tradition, cry-preservation and so forth. v) Molecular breeding that offers with software of varied DNA-based markers, linkage map etc., vi) Genetic transformation and linked elements, vii) pressure body structure complied with quite a few works performed in tea besides its wild kin on abiotic in addition to biotic tension, and viii) useful genomics that describe many of the works of molecular cloning and characterizations, differential gene expression, high-throughput sequencing, bioinformatics and so on. Importantly, the writer has made unique tables in lots of the chapters that come with the precis of the works specifically subject. In a nutshell, the publication compiles the paintings already been performed, identifies the issues, analyzes the gaps on breeding and biotechnological works of tea in addition to its wild species and discusses the longer term scope as end. each attempt has been made to incorporate all of the released works until June 2013. The publication can be an invaluable source for post-graduate, doctoral besides post-doctoral scholars engaged on tea in addition to different woody vegetation. it will even be beneficial for the scientists operating within the components of lifestyles sciences, genomics, biotechnology and molecular biology.
Read or Download Breeding and Biotechnology of Tea and its Wild Species PDF
Similar botany books
This publication presents updated assurance of fossil vegetation from Precambrian lifestyles to flowering crops, together with fungi and algae. It starts with a dialogue of geologic time, how organisms are preserved within the rock list, and the way organisms are studied and interpreted and takes the coed via all of the appropriate makes use of and interpretations of fossil crops.
Horticultural reports provides cutting-edge reports on subject matters in horticultural technology and expertise protecting either uncomplicated and utilized study. themes coated comprise the horticulture of culmination, greens, nut vegetation, and ornamentals. those evaluate articles, written by way of global experts, bridge the space among the really good researcher and the wider group of horticultural scientists and academics.
- Fragrance Technologies and Applications
- Pollination Biology
- Introduction to Forest Genetics
- Alternative Respiratory Pathways in Higher Plants
- Plant genes, genomes, and genetics
Extra info for Breeding and Biotechnology of Tea and its Wild Species
Colchicine inhibits mitosis in cells by interfering with the structure of the mitotic spindle, thus resulting in formation of cells with a doubled chromosome number. 5). In Sri Lanka, Sebasthiampillai (1976) produced five tetraploid plants, namely TRI 2023, 2024, 2025, 2026 and DT 95, by treating the meristematic tissues of the terminal bud for 2–7 days with colchicine impregnated in agar. Although he found the differential response of tea genotypes with the colchicine treatment, his ploidy plants were tetraploid as he confirmed through the cytological examination of root-tip cells.
The conventional method of producing triploids is through artificial induction of tetraploids, followed by hybridization with diploid cultivars. For example, out of 238 hybrids produced through hybridization between tetraploids and diploids at TES, Assam, India, only 79 hybrids were found to be triploids (Barbora et al. 1996). Since induction of diploid was time consuming, Osone (1958) used diploidized pollen of immature flowers to pollinate diploid plants for producing triploids. However, there is no evidence that this method had been widely practised in polyploid breeding programmes.
Between 1828 and 1833, Mr. 3 Breeding objectives of tea. (Adopted from Mondal 2009 with modification) Objectives Importance Regions Improving quality Directly linked to the profitability Black tea producing countries such as India, East-Africa, Sri Lanka, Bangladesh and Indonesia Increasing yield Horizontal increase of production by Worldwide extension planting is limited Drought tolerance Reduce productivity and occur all Worldwide where tea grown as raintea-growing regions of the world fed crop Tea plantation near the equator Reduce winter dormancy No leaf production during winter months and occurs in North-East India, Japan and China, etc Hilly region of the tea-producing Hail/frost resistance Causes economic loss as young countries leaves during rainy season are mostly affected North-East India Water log tolerance Reduce productivity during rainy season.