ADAPTABILITY AND PATH ANALYSIS IN AMERICAN COTTON (Gossypium hirsutum L.)
| dc.contributor.advisor | Yadav, M.D. | |
| dc.contributor.author | Khedkar, A.R. | |
| dc.date.accessioned | 2018-07-12T06:32:14Z | |
| dc.date.available | 2018-07-12T06:32:14Z | |
| dc.date.issued | 1996 | |
| dc.description.abstract | The present investigation entitled "Adaptability and path analysis in American cotton (Gossypium hirsutum L.)" were conducted to study G x E interaction, nature of stability of different genotypes of cotton and direct and indirect contribution of various components towards yield. The field experiments comprising of sixteen genotypes were conducted in R.B.D. with three replications at Cotton Improvement Project. M.P.K.V., Rahuri during 1995 under three environments (sowing dates) viz., 5th May (E1), 5th June (E2) and 5th July (E3). The observations were recorded on sixteen important yield components and quality characters. G x E interaction was detected for all the sixteen characters studied. Linear component contributed major portion of the total G x E for height of the plant, number of monopodia per plant, days to 50 per cent flowering and boll weight, where as non-linear component was found to be significant for all the characters except number of monopodia per plant. Linear component was also important for the expression of all the characters except number of bolls per plant. Estimates of environmental indices (Ij) indicated 5th June sowing (E2 environment) as the most favourable environment for yield and its components, followed by E^ and E3 environments. Considering the nature of stability, no genotype was observed to be high yielding and stable. Further, RHC-0890 was stable for monopods, sympods, early flowering, and early boll bursting, while RHC-1189 for sympods, early flowering and early boll bursting, lint yield and maturity coefficient and PKV-081 for early flowering, and early boll bursting, ginning percentage and mean fibre length. The genotype CNH-36 had above average stability for sympodia per plant and early flowering, while RHC-1190 for sympodia per plant and boll weight. The genoytpes PH-23, PKV-081. RHC-2688 and CNHPT-203 exhibited above average stability for plant height, monopodia per plant, late flowering and boll weight, respectively. The genotype GB-20 showed below average stability for monopodia per plant, late flowering, boll number per plant and seed cotton yield per plant, while genotype 6 3302 for plant height and monopodia per plant. The genotypes CNH-36, CNHPT-203, NH-262-1 and KOP-498 showed below average stability for monopodia per plant, late flowering, early flowering and boll weight, respectively. | en_US |
| dc.identifier.uri | http://krishikosh.egranth.ac.in/handle/1/5810059321 | |
| dc.keywords | Path Analysis, Cotton | en_US |
| dc.language.iso | en | en_US |
| dc.pages | 119pp | en_US |
| dc.publisher | Mahatma Phule Krishi Vidyapeeth, Rahuri. | en_US |
| dc.sub | Botany | en_US |
| dc.subject | null | en_US |
| dc.theme | Botany | en_US |
| dc.these.type | M.Sc | en_US |
| dc.title | ADAPTABILITY AND PATH ANALYSIS IN AMERICAN COTTON (Gossypium hirsutum L.) | en_US |
| dc.type | Thesis | en_US |