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The journal AGRICULTURA (A) publishes scientific works from the following fields: animal science, plant production, farm mechanisation, land management, agricultural economics, ecology, biotechnology, microbiology
ISSN 1581-5439

Valiollah RAMEEH

pp. 9-16


Information on estimates of combining ability of the promising lines of breeding material is important for evolving higher yielding varieties of oilseed rape (Brassica napus L.). An experiment was conducted to quantitatively examine the genetic parameters of phenological traits, plant height, pods on main raceme, pods per plant and seed yield for eight oilseed rape genotypes using a half-diallel crosses. The result of the diallel analysis revealed significant mean squares of general and specific combining abilities (GCA and SCA) for all studied traits, indicating the importance of additive and non-additive genetic effects for these traits. On the other hand estimation of high narrow-sense heritability estimates for days to flowering, duration of flowering and pods on main raceme, indicated the prime importance of additive genetic effects for these traits. L420 and L401 with significant negative GCA effects for days to flowering and days to maturity were suitable for yielding early maturity combinations. L41, Zafar and L22 with significant positive GCA effects for seed yield were superior parents for increasing seed yield. The crosses with significant positive SCA effects for seed yield had at least one parent with significant positive GCA effects for this trait. The crosses including L41×L22, L41×LF2, Zafar×L22 and Zafar×L420 with seed yield of 3421.7, 3400, 3348.1 and 3311.3 kg ha-1 could be promising for determination of superior recombinants for high seed yield coupled with other growth characters in advanced generations of segregation.

Key words: Additive genetic effects, Brassica napus, degree of dominance, combining ability, heritability, oilseed rape, yield


Potencial razmnoževanja selekcioniranih linij oljne repice na nekatere pomembne kvantitativne lastnosti

Informacije o ocenah združevanja lastnosti potencialnih linij plemenskega materiala so pomembne za razvoj boljših sort oljne repice (Brassica napus L.). S preiskavo smo proučevali kvantitativne genetske lastnosti fenološko pomembnih lastnosti (višina rastlin, št. strokov na socvetju/rastlino in pridelek semena za osem genotipov polovično dialelnih križancev oljne repice. Rezultat dielektrične analize je pokazal značilne srednje kvadratne odklone splošnih (SPLO) in specifičnih (SPEC) lastnosti za vse proučevane lastnosti. To kaže na pomembnost delovanja aditivnega in ne-aditivnega učinka na proučevane lastnosti. V ozkem smislu je pokazala heritabiliteta za število dni do cvetenja, trajanja cvetenja in strokov na glavnem socvetju, da je glavni aditivni učinek na proučevane lastnosti. Liniji L420 in L401 sta z značilnimi negativnimi učinki na SPLO lastnosti za število dni do cvetenja, starosti ko rastline doseže zrelost sta bili primerni za tvorjenje zgodaj zrelih kombinacij oljne repice.
Linije L41, Zafar in L22 z značilno pozitivnimi učinki na SPLO lastnosti za količino semena so bili primerni za starševsko linijo za povečanje količine semen. Križanci s statistično značilnim pozitivnim SPEC lastnostmi imajo vsaj enega starša z značilno pozitivno lastnostjo za to SPLO lastnost. Možne najboljše kombinacije križanj so se pokazali križanci L41×L22, L41×LF2, Zafar×L22 in Zafar×L420, ki so imeli pridelek semena 3421,7, 3400, 3348,1 in 3311,3 kg ha-1. Omenjeni križanci so najboljši rekombinanti za visok pridelek semena in druge rastne lastnosti v naslednjih generacijah segregacijske selekcije.

Ključne besede: oljna repica, križanci, aditivni učinki, stopnja dominantnosti, sposobnost združevanja lastnosti, heritabiliteta, pridelek


1. Amiri Oghan H, Sabaghnia N, Rameeh V, Fanaee HR, Hezarjeribi E. Univariate stability analysis of
genotype×environment interaction of oilseed rape seed yield. Acta. Univ. Agric. Silvic. Mendel. Brun., 2016; 64(4):1-10.
2. Brandle JE, McVetty PBE. Geographical diversity parental selection and heterosis in oilseed rape. Can. J. Plant Sci., 1990;70:935-940.
3. Diepenbrock W. Yield analysis of winter oilseed rape (Brassica napus L.): A review. Field Crops Res., 2000; 67:35-49.
4. Downey RK, Rimer SR. Agronomic improvement in oilseed brassicas. Adv. Agron., 1993; 50:1-66.
5. Enqvist GM, Becker HC. Heterosis and epistasis in oilseed rape estimated from generation means. Euphytica, 1991;58:31-35.
6. Faraj A, Latifi N, Soltani A, Shirani Rad AH. Effect of high temperature and supplemental irrigation in flower and pod formation in two canola (Brassica napus L.) cultivars at Mediterranean climate. Asian. J. Plant Sci. 2008;7(4):343-351.
7. Griffing B. Concept of general combining ability in relation to diallel crossing system. Aust. J. Biol. Sci. 1956; 9:463–493.
8. Habekotte B. Evaluation of seed yield determining factors of winter oilseed rape (Brassica napus L.) by means of crop growth modeling. Field Crops Res. 1997;54:137-151.
9. Huang Z, Laosuwan P, Machikowa T, Chen Z. Combining ability for seed yield and other characters in oilseed rape. Suranaree J. Sci. Technol. 2010;17:39-47.
10. Ishaq M, Raziuddin D. Combining ability analysis for maturity and plant architecture traits in intra-specific crosses of rapeseed (Brassica napus L.). Sarhad J. Agric. 2016; 32:168-176.
11. Liton MM, Rashid Bhuiyan MS, Harunur Rashid M, Estimation of Heterosis for Yield and Its Attributes in Brassica rapa L. Asian Res. J. Agric. 2017; 4(4):1-13.
12. Mahmood T, Ali M, Iqbal S, Anwar M. Genetic variability and heritability estimates in summer mustard (Brassic juncea). Asian J. Plant Sci. 2003;2(1): 77-79.
13. Marjanović – Jeromela A, Radovan J, Miladinović D. Combining abilities of oilseed rape (Brassica napus L.) varieties. Genetika 2007;39(1):53-62.
14. Nassimi AW, Raziuddin Sardar A, Naushad A. Study on heterosis in agronomic characters of oilseed rape (Brassica napus L.) using diallel. J. Agron. 2006a;5:505-508.
15. Nassimi AW, Raziuddin Sardar A, Ali N, Ali S, Bakht J. Analysis of Combining ability in Brassica napus L. lines for yield associated traits. Pak. J. Biol. Sci. 2006b; 9:2333-2337.
16. Qian W, Sass O, Meng J, Li M, Frauen M, Jung C. Heterotic patterns in oilseed rape (Brassica napus L.): I. Crosses between spring and Chinese semi-winter lines. Theor. Appl. Genet. 2007;115:27-34.
17. Rameeh V. Combining ability and factor analysis in F2 diallel crosses of oilseed rape varieties. Plant Breed. Seed Sci. 2010; 62: 73-83.
18. Rameeh V. Heritability and other genetic parameters as-assessment for flowering associated stress indices in oil seed rape varieties. Int. J. Plant Breed. Genet. 2011; 5(3):268-276.
19. Rameeh V. Heritability, genetic variability and correlation analysis of some important agronomic traits in rapeseed advanced lines. Cercetari Agron. Moldova 2015;48:71-80.
20. Rameeh V. Hybrid performance and combining ability analysis in rapeseed using line×tester mating design. Int. J. Res. Agric. and Forestry 2017;4(8):22-28.
21. Sabaghnia N, Dehghani H, Alizadeh B, Mohghaddam M. Diallel analysis of oil content and some agronomic traits in oilseed rape (Brassica napus L.) based on the additivedominance genetic model. Aust. J. Crop Sci. 2010; 4: 609-616.
22. Shen JX, Fu TD, Yang GS. Heterosis of double low selfincompatibility in oilseed rape (Brassica napus L.). Agric. Sci. China,2002; 1:732-737.
23. Singh M, Singh L, Srivastava SBL. Combining ability analysis in Indian mustard (Brassica juncea L. Czern & Coss). J. Oilseed Brassica 2010;1(1):23-27.
24. Teklwold A, Becker HC. Heterosis and combining ability in a diallel cross of Ethiopian mustard inbred lines. Crop Sci. 2005;45:2629-2635.
25. Wang JS, Wang XF, Zhang YF, Zhang Z, Tian JH, Li DR. Study on heterosis among subspecies or varieties in B. campestris L. Proceedings of the 12th International Oilseed rape Congress Wuhan, (TRCW’07), China: Science Press USA 2007; PP:108-110.
26. Yasari E, Patwardhan AM. Physiological analysis of the growth and development of canola (Brassica napus L.) under different chemical fertilizers application. Asian. J. Plant Sci. 2006;5:745-752.
27. Zhang G, Zhu W. Genetic analyses of agronomic and seed quality traits of synthetic oilseed Brassica napusproduced from interspecific hybridization of B. campetris and B. oleracea. J. Genet. 2006;85:45-51.
28. Zhang Z, Kang SK. A SAS Program for Griffing’s Diallel Analyses. Agron. J. 1997; 89:176-182.

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