STABILITY ANALYSIS OF EXPERIMENTAL HYBRIDS FOR SEED YIELD AND ITS COMPONENT CHARACTERS IN SUNFLOWER (Helianthiis animus L.)
| dc.contributor.advisor | GIRIRAJ, K. | |
| dc.contributor.author | KALLENNAVAR, LAXMAN S. | |
| dc.date.accessioned | 2019-09-27T07:17:31Z | |
| dc.date.available | 2019-09-27T07:17:31Z | |
| dc.date.issued | 2001-08-07 | |
| dc.description.abstract | The investigation was undertaken to analyse the stability of 15 experimental hybrids and four checks for seed yield and its component characters over three locations, viz., Bheemarayanagudi, Bagalkot and Dharwad during kharif 1998. Stability analysis was carried out by adopting the model of Eberhart and Russell (1966). Two-way analysis of variance revealed significant differences between genotypes and also environments for all the characters except 100 seed weight indicating GxE interactions which was further confirmed by significant variance due to GxE interactions for all the characters. The variance due to genotype x environment (linear) were non-significant for all the characters studied. The mean sum of squares due to pooled deviations were found to be highly significant for all the seven characters, indicating predominance of unpredictable portion of GxE interaction. The overall performance of hybrids over locations revealed that Dharwad location was the most favourable environment for the expression of plant height, head diameter and seed yield, while Bagalkot location was favourable for the expression of characters like 100 seed weight, volume weight and oil content. Bheemarayanagudi location was favourable for the expression of early flowering of genotypes. Taking into consideration the three stability parameters, viz., mean performance over three locations, regression coefficient (hi) and deviation from regression (S2di), the single-cross hybrid VRF-21 was rated as the best for earliness and oil content. PAC-36 ranked first for plant height over three locations. The single-cross hybrid DSH-255 was found to be the best for seed yield and head diameter. The hybrid RSH-1 had maximum 100 seed weight, while MSFH-17 recorded maximum volume-weight. Considering mean performance over three locations, DSH-255 was the most promising hybrid for seed yield and oil content. | en_US |
| dc.identifier.other | Th-5962 | |
| dc.identifier.uri | http://krishikosh.egranth.ac.in/handle/1/5810129535 | |
| dc.keywords | STABILITY ANALYSIS OF EXPERIMENTAL HYBRIDS FOR | en_US |
| dc.language.iso | en | en_US |
| dc.pages | 137 | en_US |
| dc.publisher | UNIVERSITY OF AGRICULTURAL SCIENCES GKVK BANGALORE | en_US |
| dc.sub | Genetics and Plant Breeding | en_US |
| dc.subject | null | en_US |
| dc.theme | SEED YIELD AND ITS COMPONENT CHARACTERS IN SUNFLOWER (Helianthiis animus L.) | en_US |
| dc.these.type | M.Sc | en_US |
| dc.title | STABILITY ANALYSIS OF EXPERIMENTAL HYBRIDS FOR SEED YIELD AND ITS COMPONENT CHARACTERS IN SUNFLOWER (Helianthiis animus L.) | en_US |
| dc.type | Thesis | en_US |