Collection, characterization and evaluation of aloe vera (L) burm. f. germplasm (Record no. 27672)

000 -LEADER
fixed length control field 03456nam a2200181Ia 4500
003 - CONTROL NUMBER IDENTIFIER
control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20220321175538.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 151109b xxu||||| |||| 00| 0 eng d
082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 633.8
Item number ABH/CO PG
100 ## - MAIN ENTRY--PERSONAL NAME
Personal name Abhila S R
245 ## - TITLE STATEMENT
Title Collection, characterization and evaluation of aloe vera (L) burm. f. germplasm
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc. Vellayani
Name of publisher, distributor, etc. Department of Plantation Crops and Spices, College of Agriculture
Date of publication, distribution, etc. 2007
502 ## - DISSERTATION NOTE
Degree type MSc
520 3# - SUMMARY, ETC.
Summary, etc. The present study titles “Collection, characterization and evaluation of Aloe vera (L) Burm.f.germplasm” was conducted at the Department of Plantation crops and spices, College of Agriculture, Vellayani during the period April 2006 – March 2007.


Thirty diverse accessions of aloe were collected from various locations of Kerala and Tamil Nadu> Preliminary evaluation of reference sample plants of each accession were done in terms of morphological and biochemical characters. A final evaluation of morphological, anatomical and biochemical characters were carried out one year after planting in the new environment and association between morphological, biochemical and yield contributing characters were worked out and the accessions were evaluated based on these results.

The accessions recorded significant variation for morphological characters like plant height, plant spread, leaf length, leaf breadth, leaf thickness, leaf weight, leaf shape, leaf colour, phyllocrone and suckering.

Study of the anatomical characters of the accessions like number of stomata, cuticle thickness, epidermal thickness and mesophyll thickness revealed that there was no significant variation among the accessions with regard to number of stomata and epidermal thickness. Significant difference existed in mesophyll thickness and it was the highest for AV-2 and hence maximum gel yield.

Wide variation in biochemical characters such as amino acids, total sugars, fattyacids, vitamin A and C, saponins, minerals such as sodium, potassium, calcium, magnesium and iron content and activity of enzymes like peroxidase and polyphenol oxidase were noticed among the thirty accessions.

Yield analysis of the accessions revealed that AV-16, AV-12, AV-2, AV-6, AV-13, AV-30, AV-29, AV-15, AV-9 and AV-7 had superior yield contributing characters. The accessions having superior biochemical characters are AV-5, AV-25, AV-18, AV-23, AV-11, AV-21, AV-24, AV-27, AV-19 and AV-26, hence are superior in quality. By combining yield contributing and quality characters accessions AV-12, AV-16, AV-13, AV-6, AV-15, AV-2, AV-30, AV-19, AV-29 and AV-14 were found to be superior.

The accessions AV-16, AV-12, AV-2 and AV-6 were found superior based on morphological characters and morphological and biochemical characters together. Association between morphological, biochemical and yield contributing characters revealed that morphological characters like plant height, plant spread, leaf length, leaf breadth, leaf thickness and leaf weight showed positive association with leaf yield and latex yield. So these characters offer good scope for selection among the present collection of aloe accessions. A location specific evaluation had to be carried out with these aloe accessions in areas with diverse agro climatic situations for evolving a suitable variety.
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name Jessykutty P C (Guide)
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier http://krishikosh.egranth.ac.in/handle/1/5810108279
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 2014-03-18 633.8 ABH/CO PG 172731 2014-03-18 2014-03-18 Theses
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