Incorporation of Resistance to Fruit Cracking in a bacterial Wilt Resistant Genetic Background in Tomato (Record no. 25714)

000 -LEADER
fixed length control field 02451nam a2200181Ia 4500
003 - CONTROL NUMBER IDENTIFIER
control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20220819153815.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 151218b xxu||||| |||| 00| 0 eng d
082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 635.6
Item number SAD/IN
100 ## - MAIN ENTRY--PERSONAL NAME
Personal name Sadhan Kumar P G
245 ## - TITLE STATEMENT
Title Incorporation of Resistance to Fruit Cracking in a bacterial Wilt Resistant Genetic Background in Tomato
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc. Vellanikkara
Name of publisher, distributor, etc. Department of Olericulture, College of Horticulture
Date of publication, distribution, etc. 1995
502 ## - DISSERTATION NOTE
Degree type PhD
520 3# - SUMMARY, ETC.
Summary, etc. An investigation on “Incorporation of resistance to fruit cracking in a bacterial wilt resistant genetic background in tomato” was undertaken in the Department of Olericulture, College of Horticulture, Vellanikkara during the period from January, 1991 to March, 1994. The findings are succinctly mentioned below.
Evaluation for bacterial wilt resistance revealed that Sakthi and LE 79 – 5 are consistently resistant to bacterial wilt. Four addition sources of bacterial wilt resistance were identified viz., LE 214, CAV – 5, LE 415 and LE 382 – 1. Resistances to bacterial wilt in these lines was governed by recessive genes.
Screening for resistances to fruit cracking resulted in the identification of fifteen tomato genotypes which were found to be resistant to both radial and concentric cracking. Resistances to concentric fruit cracking in these lines were found to be dominant.
All the bacterial wilt resistant genotypes had a higher content of total phenols, O.D. phenol and ascorbic acid than the susceptible line pusa Ruby.
The crack resistant varieties had a higher content of insoluble solids and pectin, lower content of acidity, total sugar and reducing sugar in fruits, thick fruit skin and pericarb as compared to susceptible variety. The elasticity of skin was also higher in crack resistant genotypes. Crack resistant varieties had a compact arrangement of parenchymatous cells when compared with crack susceptible variety. The resistant lines had a thicker cuticle also.
The F1 S developed by line x tester crossing were susceptible to bacterial wilt. All the same, they were resistant to both radial and concentric fruit cracking indicating dominant gene action for crack resistance. The F2 segregants with combined resistance to both bacterial wilt and fruit cracking were selected for further improvement.


700 ## - ADDED ENTRY--PERSONAL NAME
Personal name Rajan S (Guide)
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier https://krishikosh.egranth.ac.in/handle/1/5810155534
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme
Koha item type Theses
Holdings
Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Permanent Location Current Location Shelving location Date acquired Full call number Barcode Date last seen Price effective from Koha item type
          KAU Central Library, Thrissur KAU Central Library, Thrissur Theses 2014-03-18 635.6 SAD/IN 170759 2014-03-18 2014-03-18 Theses
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