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Stability analysis of Lemongrass genotypes

KrishiKosh

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Title Stability analysis of Lemongrass genotypes
 
Creator Anumol.T.
 
Contributor C.K.Venugopal
 
Subject Horticulture
 
Description An experiment was conducted during June, 2008-09 to May, 2009-10 at three
different environments viz. Medicinal and Aromatic Plants Unit, Saidapur Farm, Dharwad;
Agricultural Research Station (ARS) Paddy, Sirsi and Kittur Rani Channamma College of
Horticulture, Arabhavi, Karnataka to find out the stable genotypes of lemongrass
(Cymbopogon flexuosus) over locations and to characterize the genotypes based on
morphological characters. The treatments included seven genotypes of lemongrass OD-440,
Cauvery, Krishna, Pragati, Praman, OD-19 and CKP-25.
Genotype ? environment interactions were significant for most of the characters
indicating differential response of the genotypes in different environments. On the basis of
stability parameters it was revealed that genotypes Krishna, OD-19, Praman, CKP-25 and
Cauvery were more stable for majority of characters over all three locations. On the basis of
stability analysis of individual characters, genotype Krishna was found to be stable for as
many as five characters followed by genotypes OD-19, Praman, CKP-25 and Cauvery (four
characters) and Pragati (three characters). Among all the genotypes, OD-440 was found to be
stable for only two characters. The genotypes Cauvery, Praman showed stability for herbage
yield per plant and total herbage yield, while genotypes Cauvery and CKP-25 were more
stable for oil yield per plant. With respect to citral content OD-19, CKP-25 and Krishna were
more stable.
For characterization based on colour of leaf, genotypes were grouped into pale green
and green; based on colour of leaf sheath as red, light red, greenish red and ashy green. The
tillers have divergent growth for only one genotype whereas six genotypes have compact
growth. Among the tested genotypes all possessed hairs on leaf blade. There was no
difference among genotypes for leaf arrangement and all the genotypes were grouped under
alternate category.
 
Date 2016-11-07T19:04:54Z
2016-11-07T19:04:54Z
2010
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/84319
 
Format application/pdf
 
Publisher UAS, Dharwad