Line Xtester Analysis for Hybrid Performance , Heterosis and Combining Ability in Tomato [ Solanum Lycopersicum L] PDF Download
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![Line Xtester Analysis for Hybrid Performance , Heterosis and Combining Ability in Tomato [ Solanum Lycopersicum L] PDF](https://books.google.com/books/content/images/frontcover/BThttwAACAAJ?fife=w150-h200)
Author: Pooja Kapur
Publisher:
ISBN:
Category : Vegetable Science -Tomato
Languages : en
Pages :
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![Line Xtester Analysis for Hybrid Performance , Heterosis and Combining Ability in Tomato [ Solanum Lycopersicum L] PDF](https://books.google.com/books/content/images/frontcover/BThttwAACAAJ?fife=w80-h100)
Author: Pooja Kapur
Publisher:
ISBN:
Category : Vegetable Science -Tomato
Languages : en
Pages :
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Author: Jadav Niteshbhai Karamchandbhai
Publisher: LAP Lambert Academic Publishing
ISBN: 9783330351318
Category :
Languages : en
Pages : 196
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Book Description
The present investigation was carried out to study the magnitude of per se performance, heterosis and combining ability for fruit yield, its related component traits and quality in tomato. The experimental material consisting of 11 parents (3 females and 8 males), its 24 hybrids produced through Line × Tester mating design and standard check (Abhinav). The experiment was laid out in a randomized block design with 3 replications at Regional Horticultural Research Station, Navsari Agricultural University, Navsari, during late kharif 2015. The data were obtained for 23 characters including fruit yield, its components and quality traits.
Author: A H. Sonone
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Author: S. K. Yadav
Publisher: LAP Lambert Academic Publishing
ISBN: 9783846502075
Category :
Languages : en
Pages : 108
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This is a reference book which describes importance, use and basic information relevant to application of heterosis breeding in tomato for yield and quality contributing traits. Tomato is a tropical day neutral plant. It is self-pollinated crop but a certain extent of cross pollination may take place. It is a warm loving crop so easily tolerate heat and drought stress. India is the second top tomato growing country after China contributed about 11% of the World tomato production. Tomato is a rich source of antioxidants (mainly lycopene and -carotene), Vitamin A, Vitamin C and minerals like Ca, P and Fe in diet. Magnitude of heterosis, combining ability effects and its variances were estimated by line x tester analysis including 30 F1 cross combinations using 13 parents after selfing. These genotypes were evaluated for growth, yield and quality contributing traits. Ratio of general combining ability (GCA) and specific combining ability (SCA) variance revealed preponderance of non- additive genetic variances for all studied traits. Present book is basically written for Vegetable Science Scholar and persons interested in tomato improvement programme."
Author: Mofidul Hannan
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659214417
Category :
Languages : en
Pages : 180
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Book Description
Ninety F1 hybrids obtained by diallel cross involving ten tomato genotypes displayed wide range of variation and heterosis for ten characters studied. Heritability was the highest for no. of fruit/cluster, fruits/plant, fruit yield/plant and no. of seeds/fruit. The highest genetic advance and genetic advance expressed as percentage were recorded for the characters no. of fruits/plant and no. of seeds/fruit. The genetic advance, coefficient of variability and heritability indicated that selection of superior parents based on these characters might be effective in hybridization programme to develop high performing tomato hybrids. Combining ability analysis showed that yield and yield component characters were found to be controlled by both additive and non-additive genes. Good combiner genotypes Japany, Epoch, Namdahri, Ratan and Legend possessed mostly dominant genes for all the characters. For QTL analysis F2 population was developed from a cross between two tomato genotypes Dynasagor and Bari-4. Five QTLs were identified with fruit yield/plant. Of five, three QTLs were contributed by the parent Dynasagor and two were contributed by parent Bari-4.
Author: Puja Rattan
Publisher: LAP Lambert Academic Publishing
ISBN: 9783838336824
Category : Tomatoes
Languages : en
Pages : 228
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Study was carried out at Palampur and Bajaura in India.7 lines, 4 testers & their 28 hybrids were evaluated in RBD with 3 replications in line x tester mating design. ANOVA revealed significant differences among genotypes and GxE interactions, the line x tester analysis revealed significant differences due to line x location, tester x location & line x tester x location interactions (tested against error mean squares) at both locations and pooled analysis for most of the traits. GCA effects revealed that the lines BT-18 and Rodade and tester Hawaii-7998 and EC-392698 at Palampur;lines BL-333 and CLN-2123 and testers EC- 191536 and EC-392698 at Bajaura were good general combiners for yield and its contributing traits. However, BT-18 and BL-333 among lines and EC-392698 and Hawaii-7998 among testers were good general combiners for maximum traits studied in over all pooled analysis. Based on combing ability, heterosis and mean performance, crosses BT- 18xHawaii-7998, RodadexEC-392698 and BL-333xEC- 191536 in overall pooled analysis had great promise for further exploration. Preponderance of non additive gene action was fond in most of the traits.
Author: Gajanan Katkar
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659309403
Category :
Languages : en
Pages : 240
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Book Description
Tomato [(Solanum lycopersicum Mill.) Wetted] is one of the most important vegetable crops grown in India. However, modern cultivars of tomato have a limited genetic diversity further the demand for high yielding disease resistant hybrids is alarming. In this study an effort was made to increase genetic variability for development of ToLCV resistant high yielding varieties and hybrids by utilizing exotic tomato breeding lines. Diversity analysis of 19 exotic tomato breeding lines and popular varieties viz., Pusa Ruby (P20), Vaibhav (P21) and Arka-Vikas (P22) was made with the D2 analysis, PCA, RAPD and SRAP markers, which revealed that exotic lines are diverse from popular varieties. Nineteen exotic tomato breeding lines and cultivars viz., P20, P21 and P22 were crossed in line x tester design to assess the combining ability and heterosis. A perusal of the results indicated that P21 x PT4227A, P22 x CLN2123E, P21 x CLN2768A, P21 x CLN2777F, P21 x CLN2400B, P22 x CLN2460E, P22 x CLN2777B, P20 x CLN2498E and P20 x CLN2777F showed significant heterosis over the best check hybrid. Further these hybrids could be used to develop mapping population and breeding for hybrid development.
![Studies on Heterosis and Combining Ability in Tomato (Solanum Lycopersicum L.) [With CD Copy] PDF](https://books.google.com/books/content/images/frontcover/oZ7PjgEACAAJ?fife=w80-h100)
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 98
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Author: PRASHANTH H
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ISBN:
Category :
Languages : en
Pages : 116
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Author: S.B. Nayak
Publisher:
ISBN:
Category :
Languages : en
Pages : 119
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