Qaizar Ahmed1, Fida Mohammad2, Hidayat-ur-Rahman2, Sheraz Ahmed2* and Fakharuddin2
...ations to generate 7 x 7 diallel crosses. In 2008 and 2009, all F1 hybrids along with their parent cultivars were planted in randomized complete block (RCB) design with four replicates at Tobacco Research Station Mardan (plain) and Tobacco Research Substation Mansehra (hilly). Data for all traits were analysed in pooled analysis and individual environments. Heterosis over better parent was determined for all traits across environments. Heterobeltios...
Muhammad Jurial Baloch1*, Ghulam Murtaza Channa2, Wajid Ali Jatoi2, Abdul Wahid Baloch1, Imdad Hussain Rind1, Muhammad Ahmed Arain1 and Ayaz Ali Keerio1
...f yield traits from half diallel crosses was carried-out. Mean squares due to GCA and SCA were significant for days to 75% maturity, tillers plant-1, spike length, spike density, grains spike-1, grain yield plant-1, seed index and harvest index. Significance of GCA and SCA variances suggested that both additive and non-additive genes were controlling these characters. The magnitude of SCA variances were higher than GCA indicati...
Muhammad Ishaq and Raziuddin
...rmined in an 8 × 8 diallel intra specific F1 crosses in rapeseed (Brassica napus L.) during 2011-2013 to scrutinized potential lines, hybrids, and nature of gene action involved in the inheritance of maturity and plant architecture traits. Analyzed data revealed highly significant differences among the genotypes for days to flowering, maturity, plant height, primary branches plant-1 and main raceme length. Analysis of combining ability revealed highly si...
Mian Ahmad Raza*, Ghulam Hassan and Naqib Ullah Khan
...e important traits using diallel mating design in wheat at Peshawar Pakistan. Eight wheat genotypes viz. Janbaz (JNB), Fakhr-i-Sarhad (FS), Pirsabak 2005 (PS), AUP-5008 (AUP), Saleem 2000 (S2K), Tatara (TTR), Barsat (BST) and Siren (SRN) were crossed in all possible combinations during 2011-12 cropping season. The resultant F1 hybrids were planted following a randomized complete block design using three replications in the subsequent wheat growing season of 20...
Shengyan Su, Zaijie Dong*, Wenbin Zhu, Lanmei Wang and Jianjun Fu
...atch-up like growth from diallel cross-breeding due to its similarity with high growth speed in the later period for common carp Cyprinus carpio L cross-breeding. A compensatory index matrix for 3×3 full diallel cross combinations used for selection was built to investigate compensatory like growth of each combination. Yes/No(Y/N) effect was determined for specific combination dyads, which there were significant...
Barkat Ali*, Muhammad Shahid Iqbal, Muhammad Kausar Nawaz Shah, Ghulam Shabbir** and Nasir Mahmood Cheema***
...> -A 6 x 6 complete diallel mating design was used to study the inheritance of different plant traits in upland cotton (Gossypium hirsutum L.). Six genotypes viz., BJA-592, ACALA-SJ-4, 4-F, CP-15/2, CIM-497 and PB-899 were included in diallel crosses. Results revealed that over-dominance type of gene action was controlling the inheritance of monopodial and sympodial branches plant height number of bolls and boll weight....
Muhammad Arifullah, Muhammad Munir*, Abid Mahmood**, Saifullah Khan Ajmal and Ghulam Shabbir*
COMBINING ABILITY ANALYSIS OF SOME YIELD ATTRIBUTES IN INDIAN MUSTARD (BRASSICA JUNCEA L.)
...inations using 8×8 diallel system for combining ability analysis. Data was recorded for seed yield and some important yield attributes. The results for combining ability analysis indicated significant general combining ability for most of the traits except plant height and siliqua length. UCD-8/4, KJ-119 and BRS-2 were good general combiners for yield related traits. A cross BRS-2 × UCD-8/4 showed best desired SCA for number of primary branches and...
Syed Asif Imran Shah*, Shah Jehan Khan**, Abdul Aziz Baloch*** ,
Obaid Ullah Sayal**, Kalim Ullah* andShujaat Ali**
COMBINING ABILITY ANALYSIS IN VARIOUS INBRED LINES OF MAIZE (ZEA MAYS L.)
...ects through 6 × 6 diallel model in maize inbred lines, was laid out in randomized complete block design with three replications at Agricultural Research Institute, Dera Ismail Khan, Pakistan, during 2012. Variance analysis exhibited highly significant (P≤0.01) variation among genotypes for days -1 -1 -1 to 50% silking, ear length, kernel rows ear , kernels row , kernels ear and grain yield. Mean square values due to general combining ability were -1 ...
Sher Nawab Khan* and Ghulam Hassan
...rossed in 8×8 full diallel pattern to identify aphids resistant genotypes under irrigated and rainfed conditions. Number of aphids tiller-1 revealed highly significant differences (P ≤ 0.01) among the genotypes. Under irrigated condition genotypes PJ-11×Lal-13, Tat-96×Lal-13, JB×Lal-13, AH×PS-05 and PS-13×Lal-13 were comparatively resistant with low aphids density while genotype PJ-11×PS-05 and KW were most suscepti...
Monsif Ur Rehman1*, Hidayat-ur-Rahman1, Muhammad Iqbal2, Iftikhar Hussain Khalil1 and Zahir Shah3
...ons were crossed in half diallel design and the resulting 45 cross combinations were further explored for their use as source of elite inbred line development in a line × tester experiment conducted at Cereal Crops Research Institute, Pirsabak and Maize and Millet Research Institute, Yousaf wala during Kharif 2016. A total of 164 testcrosses from four testers were evaluated for yield and other traits (days to anthesis, kernels ear-1, 100-grains weight) i...
Sher Nawab Khan* and Ghulam Hassan
...rossed in 8×8 full diallel fashion during 2014-15 wheat growing season. In the succeeding crop season all the 56 F1 hybrids and their parents were evaluated during 2015-16 to study inheritance pattern of yield and yield related traits at Peshawar-Pakistan. Data were generated on spikelets spike-1, spike length (cm), days to heading and grain yield plant-1. Significant differences were present for all the studied parameters. In di...
New Diallel Cross Designs Through Resolvable Balanced Incomplete Block Designs for Field Experiments
Ijaz Iqbal1, Maqsooda Parveen1 and Zafar Mahmood2*
...s presented to construct diallel cross design through resolvable balanced incomplete block design, which is established via cyclic shifts. Construction of diallel cross designs using the proposed approach is illustrated with an example. A list of efficient diallel cross design under resolvable balanced incomplete block design designs for 4≤v≤18 and 2≤ k ≤8 is advocate here. &nb...
Zakiullah1, Muhammad Farid Khan1*, Muhammad Mohibullah3, Muhammad Iqbal2, Irfanullah3, Faheemullah3, Madiha Urooj1 and Uzma Arif1
...ng ability through 6 x 6 diallel mating design. The research was laid out in randomized complete block design with three replications at Cereal Crop Research Institute (CCRI) Pirsabak, Nowshehra (K.P.K) Pakistan during the year 2015. The results displayed highly significant (P≤0.01) variation among above six OPVS for days to germination, plant height, leaf area, number of grains ear-1, grains moisture % at harvest, grain yield and biological yield. Mean squ...
Qaizar Ahmed1, Fida Mohammad2, Sheraz Ahmed2*, Sultan Akbar Jadoon2, Imtiaz Ali2 and Ajmalud Din2
... were hybridized in full diallel mating system at the Tobacco Research Sub-station, Mansehra, Pakistan during 2007. Thereon, seven parents and their forty-two F1 hybrids were sown during 2008 and 2009 at the Tobacco Research Station, Mardan (plain) and the Tobacco Research Sub-station, Mansehra (hilly). Locations in each year were considered as independent environments: Mardan 2008 as environment-1; Mansehra 2008 as environment-2; Mardan 2009 as environment-3 ...
Wajid Khan* and Raziuddin
...-21 were crossed in full diallel fashion to generate 56 F1 crosses. These parental genotypes and their F1 hybrids were evaluated during 2015/16 in the field at the University of Agriculture, Peshawar, Pakistan. Mean squares revealed significant genetic variability among parents and their F1 crosses for days to maturity, primary branches plant-1, pods main raceme-1, 1000-seed weight and seed yield plant-1, signifying the occurrence of considerable variability i...
Muhammad Ali Shah, Faiz Ur Rehman, Abbas Mehmood, Fareed Ullah, Sayed Irfan Shah and Syed Majid Rasheed*
Combining Ability, Heritability and Gene Action Assessment in Rapeseed (Brassica napus L.) for Yield and Yield Attributes
...derived from 5 × 5 diallel, was studied to estimate combining ability, heritability and gene action of morphological and yield associated traits, utilizing randomized complete block design (RCBD) with two replications, at Bacha Khan Agricultural Research Farm (BARF), Charsadda, Khyber Pakhtunkhwa, Pakistan during the growing season of 2017-18. The data were collected for pods related traits and total yield. The results of the study showed significant dif...
Abdul Haleem1*, Ghulam Hassan1, Arshad Iqbal2, Fahim Ullah Khan3, Muhammad Sajid3, Farhad Ahmad4, Rafi Ullah Khan5 and Mohammad Ilyas2
...segregating derived from diallel cross provides an opportunity to identify potential transgressive segregant in early generation. To assess genetic variability, broad sense heritability and traits varied from, 36 lines of wheat were field tested in RCBD with three replications. The experimental materials include twenty eight F2 population and eight parents. Data showed considerable genetic variation amongst the studied lines, parents, F2 progeniessand parent v...
Syed Majid Rasheed1*, Tauseef Ali1, Saad Jan1, Faiz ur Rehman2, Muhammad Ali Shah3, Zahid Hussain1 and Abdul Waheed4
...ight okra genotypes (5x5 diallel crosses) and checks were screened for high yield and early maturity in a randomized complete block design. Highly significant differences were observed for most traits, except stem diameter and marketable fruit diameter. Among genotypes, G10 flowered earliest (41.5 days), G22 had longest internodes (3.59cm), G16 had heaviest fruits (9.65g), and G14 had longest and thickest marketable fruits (13.8 cm, 1.74cm). Combing ability an...
