Effect of Root Age, Size and Stecklings Planting Dates on Seed Production in Carrot (Daucus Carota L.)cv PDF Download
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Author: Baljit Singh Saharan
Publisher:
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Category :
Languages : en
Pages :
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Author: Baljit Singh Saharan
Publisher:
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Category :
Languages : en
Pages :
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Author: Leslie Rushton Hawthorn
Publisher:
ISBN:
Category : Carrots
Languages : en
Pages : 28
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Author: Leslie R. Hawthorn
Publisher: Forgotten Books
ISBN: 9780331928945
Category : Business & Economics
Languages : en
Pages : 26
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Excerpt from Cultural Studies on Carrot Stecklings in Relation to Seed Production Stock seed of Red Core Chantenay carrot was sown in a series of experiments from 1945 to 1949 at Logan, Utah, to determine the effect Of rate of seeding, time Of planting, and width of planting shoe on the numbers and distribution by Size of the stecklings produced. Many Of the same stecklings were later used in other experiments to determine the effect of steckling size on stand, rate of plant develop ment, height, branching habit, seed yield, and viability. A time-of harvest treatment was also combined-with some of the studies. From these experiments, the following conclusions have been drawn. Within practical limits, it is almost impossible to produce in an nu thinned seedbed a crop of carrot stecklings of uniform size. Although the proportion Of medium-size roots may remain relatively stable within a series Of treatments, greater numbers Of larger roots are Obtained only at the expense Of producing fewer smaller ones. The reverse is also true. The largest numbers of suitable stecklings were Obtained by sowing at about 14 pounds per acre in rows a foot apart in early to mid-june. Plantings as late as July 29 prevented the development of many large stecklings, but plantings as early as June 4 did not prevent the appearance of some small stecklings at harvesttime. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
![Effect of Plant Density, Steckling Size, Pruning and Growth Regulators on Seed Crop of Carrot ( Daucus Carota L.) [with CD Copy]. PDF](https://books.google.com/books/content/images/frontcover/kv6kYgEACAAJ?fife=w80-h100)
Author: Kuldeep Kumar
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Author: Syed Moazzem Hossain
Publisher: LAP Lambert Academic Publishing
ISBN: 9783847372431
Category :
Languages : en
Pages : 92
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Carrot (Daucus carota L.), herbaceous biennial plants, belongs to the genus Daucus, species Daucus carota L. and the member of Apiaceae family (Peirce, 1987). It is said to be originated in Mediterranean region. It produces an enlarged fleshy tap root that is edible and possesses high nutritive value.The popularity of carrot is increasing day by day in Bangladesh especially among the urban people because of its high nutritive value and possible diversified use in making different palatable foods. Plant spacing and Sowing time is one of the important factors for the increased production of carrot. To extend the availability of carrot during the early and late period of growing season and sowing time may play a critical role. Also quality of the roots depends on the harvesting time under Bangladesh condition. There is also a significant interaction between plant spacing and sowing date.
Author: Thomas Wallace Whitaker
Publisher:
ISBN:
Category : Carrots
Languages : en
Pages : 44
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![Standardisation of Steckling Size and Plant Spacing on Seed Production of Carrot (Daucas Carota L. ) [With CD Copy] PDF](https://books.google.com/books/content/images/frontcover/d8bSzgEACAAJ?fife=w80-h100)
Author: Monika Yadav
Publisher:
ISBN:
Category :
Languages : en
Pages : 41
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Author: Buford Reid Holt
Publisher:
ISBN:
Category : Carrots
Languages : en
Pages : 186
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Author: Balwant Rai Batra
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Category :
Languages : en
Pages :
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Author: Andrey Alonso Vega Alfaro
Publisher:
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Category :
Languages : en
Pages : 0
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This study investigated the genetic basis and influence of planting density on carrot (Daucus carota var sativus) root shape traits associated with market class. In carrot breeding and economics, a market class refers to a group of carrot cultivars with similar attributes that are categorized together to facilitate trade. These attributes include root shape, size, and intended use. Market classes are not rigid categories but rather quantitative in nature and guide plant breeders in developing new cultivars with desired traits tailored to market preferences and demands. Five carrot cultivars representing distinct market classes were grown at various planting densities (ranging from 0.5 million to 4.5 million plants/ha) in three environments. A Generalized Complete Block Design with a two-way factorial treatment arrangement was employed to assess the effects of genotype and density on root shape traits, which were phenotyped using a digital imaging pipeline. Results indicated that planting density had minimal impact on root shape, and each market class maintained its characteristic shape regardless of density. However, planting density did affect root size, with some classes showing up to a 50% reduction in size at higher densities. Linkage mapping in two biparental populations identified reproducible quantitative trait loci (QTLs) on chromosomes 2 and 6 associated with root shape traits, with some QTLs coinciding with previously reported findings. Broad-sense heritability estimates were high for length-to-width ratio, emphasizing the genetic influence of root morphology and market class. Additionally, QTLs for length-to-width ratio collectively explained a substantial proportion of phenotypic variance (73%) but only one QTL was reproducible in a second population. The occurrence of gene family members, OFP-TRM (OVATE Family Proteins - TONNEAU1 Recruiting Motif), and IQD (IQ67 domain), within QTL support intervals could imply a potential expansion of this fruit shape model to include carrot storage roots. This study highlights the influence of genotype on carrot root shape and provides insights into the genetic mechanisms underlying market class traits.
