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      • Open Access Article

        1 - Investigating the Stability of Lentil Genotypes Using Parametric Statistics in Rainfed Conditions
        Mohammad Rasouli Fariborz Inanloo Meranloo
        In order to evaluate the stability of the performance of lentil ecotypes in Qazvin province, an experiment in the form of a randomized blocks design was carried out in six planting dates with three replications at the soil and water conservation research station of Tehr More
        In order to evaluate the stability of the performance of lentil ecotypes in Qazvin province, an experiment in the form of a randomized blocks design was carried out in six planting dates with three replications at the soil and water conservation research station of Tehran University in Kohin rainfed lands. The results of composite variance analysis showed a significant difference between the environments, genotypes and the genotype × environment interaction. The results of parametric statistics analysis showed that According to the berhart and Russell method, the Pardis green genotype with the highest yield and line slope has special adaptability to Autumn planting, and the FILIP 2004-31L genotype with a line slope close to one was a desirable and stable genotype. Based on Rick's equivalence and stability variance of Shukla, FILIP 2004-31L genotype was the most stable and Sabz Pardis were the most unstable genotype .According to Plaisted Peterson parameters θᵢ, genotypes 7, 14, 5, and 6 with the lowest amount of θᵢ are more stable and in terms parameter Plaisted θ₍ᵢ₎ and genotypes 7, 14, 5,and 6 are more stable with the highest amount of GE variance. Also, according to Francis and Kanenberg CVi parameter, genotypes with low coefficient of variation of environmental variance (EV) and Average high yield seems to be the most desirable. Genotypes 4, 1, and 8 are more stable. In total, genotype 7 having a low regression deviation bi=1.04, Rick's equivalence (Wi2), and Romero's environmental variance, Peterson's plastid θᵢ is low and relatively favorable performance is considered as a stable genotype. Manuscript profile
      • Open Access Article

        2 - Grain Yield Adaptability and Stability of Quinoa (Chenopodium quinoa Willd.) Genotypes Using Different Stability Indices
        Maryam Etaati Mohammad Reza Ardakani Mahmoud Bagheri Farzad Paknejad Farid Golzardi
        Quinoa is known as a suitable plant in adverse environmental conditions due to its desirable nutritional value and high production potential such a country like Iran, which has a climate diversity, it will create food security, increase farmers'''' incomes and sustainab More
        Quinoa is known as a suitable plant in adverse environmental conditions due to its desirable nutritional value and high production potential such a country like Iran, which has a climate diversity, it will create food security, increase farmers'''' incomes and sustainable production. To study the genotype and environment interaction and determine the stability and adaptability of grain yield of quinoa genotypes in different regions of Iran, ten genotypes were evaluated in a randomized complete block design with three replications in four regions of Karaj, Shahrekord, Urmia, and Kashmar during 2017-2018 cropping season. The studied genotypes included Titicaca, Red Carina, Giza1, Q12, Q18, Q21, Q22, Q26, Q29, and Q31. The results of the combined analysis of variance showed that the effect of environment and the genotype and environment interaction on the grain yield were significant (p≤0.01). The highest grain yield in Karaj and Shahrekord (717 and 2196 kg.ha-1, respectively) was obtained by the Q26 genotype and in Urmia and Kashmar (1614 and 829 kg.ha-1, respectively) by the Q18 and Titicaca genotypes, respectively. According to the results of stability and compatibility analysis with different methods and indices (parametric and non-parametric), the Red Carina genotype was identified as a genotype with suitable and stable yield and compatible with the study areas, with 996 kg.ha-1 grain yield higher than the average yield of all genotypes (939 kg.ha-1), the highest rank of simultaneous selection index for yield and stability, the lowest mean rank (1.56), and the minimum standard deviation of rank (SD = 1.03). Manuscript profile
      • Open Access Article

        3 - Evaluating Quantitative and Qualitative Traits of Promising Potato Clones and Commercial Cultivars Using the GGE Bi-plot and AMMI Models
        داود HassanPanah H. Hassan Abadi
        To evaluate quantitative and qualitative characteristics and stability of marketable tuber yield of 13 promising potato clones, along with three commercial cultivars (Agria, Marfona and Lady Rosetta) as checks, an experiment was based on a randomized complete block desi More
        To evaluate quantitative and qualitative characteristics and stability of marketable tuber yield of 13 promising potato clones, along with three commercial cultivars (Agria, Marfona and Lady Rosetta) as checks, an experiment was based on a randomized complete block design with four replications was carried out at the Agricultural and Natural Resources Research Station of Ardabil during 2011 and 2012. During the growing period and after harvest, attributes like number of main stem per plant, plant height, tuber number and weight per plant, total and marketable tuber yield, dry matter percentage, baking type, hollow heart, tuber inner ring and discoloration of raw tuber flesh after 24 hours were measured. Combined ANONA for quantitative traits showed that there were significant differences among promising clones as to total and marketable tuber yield, tuber number and weight per plant, plant height, mean tuber weight, number of main stem per plant and dry matter percentage and their interactions with year in total and marketable tuber yield and tuber number and weight per plant. The clones 396151-7, 397008-5, 397015-8, 397008-2 and 994001-4 were found to have higher total and marketable tuber yield, tuber number and weight per plant and mean tuber weight. These clones produced high and mid-uniform tuber, yellow skin color, yellow and white flesh color, oval round and round tuber shape, mid and shallow eyes, with no hollow heart, tuber inner crack and tuber inner ring, mid-late maturity and mid and high dry matter percentage as compared with control and other clones. In this experiment, GGE Bi-plot and AMMI models were found to be proper methods for selection of 397008-2, 397008-5 and 994001-4 as being high marketable and stable yielding clones. Manuscript profile
      • Open Access Article

        4 - Evaluation of Quantitative, Qualitative and Tuber Yield Stability of 18 Promising Potato Clones in Ardabil Province
        D. Hassanpanah H. Hassanabadi
        Eighteen promising clones of potato along with four commercial cultivars (Savalan, Agria, Marfona and Lady-Rozeta) in randomized complete block design with three replications were evaluated at Agricultural and Natural Resources Research Station of Ardabil during 2010 an More
        Eighteen promising clones of potato along with four commercial cultivars (Savalan, Agria, Marfona and Lady-Rozeta) in randomized complete block design with three replications were evaluated at Agricultural and Natural Resources Research Station of Ardabil during 2010 and 2011. Prior to and after harvest, traits like main stem number per plant, plant height, tuber number and weight per plant, total and marketable tuber yield, dry matter percentage, baking type, hollow heart, tuber inner ring and discoloration of raw tuber flesh after 24 hours were measured. Combined ANONA for quantitative traits showed that there were significant differences among promising clones and their interactions with year as to total and marketable tuber yield, tuber number and weight per plant, plant height, tuber average size, main stem number per plant and dry matter percentage. The results also showed the clones 397003-7, 396151-27, 397045-100 and Savalan (check) produced higher total and marketable tuber yield, tuber number and weight per plant, plant height, main stem number per plant, tuber size average and stable tuber yield. These clones produced high and mid-uniform tuber, yellow skin and flesh color, oval round, shallow eyes, very little hollow heart, tuber inner crack and tuber inner ring, mid-late maturity and mid and high dry in comparison to those of check. Based on results of this experiment, the clones 397003-7, 396151-27 and 397045-100 could be selected for Ardebil region. Manuscript profile
      • Open Access Article

        5 - Factor Analysis, AMMI Stability Value (ASV) Parameter and GGE Bi-Plot Graphical Method of Quantitative and Qualitative Traits in Potato Genotypes
        Davood Hassanpanah Hassan Hassanabadi Amiraslan Hosseinzadeh Bita Soheili Raouf Mohammadi
        Quantitative and qualitative traits and stability of marketable tuber yield of 14 promising potato clones, along with three commercial cultivars (Agria, Marfona and Savalan) as checks, were evaluated at the Ardabil Agricultural and Natural Resources Research Station dur More
        Quantitative and qualitative traits and stability of marketable tuber yield of 14 promising potato clones, along with three commercial cultivars (Agria, Marfona and Savalan) as checks, were evaluated at the Ardabil Agricultural and Natural Resources Research Station during 2013 and 2014. The experiment was based on a randomized complete block design with four replications. During growing period and after harvest, traits like main stem number per plant, plant height, tuber number and weight per plant, total and marketable tuber yield, dry matter percentage, baking type, hollow heart, tuber inner ring and discoloration of raw tuber flesh after 24 hours were measured. Combined ANONA for quantitative traits showed that there were significant differences among promising clones as to total and marketable tuber yield, tuber number and weight per plant, plant height, tuber mean weight, main stem number per plant and dry matter percentage and their interactions with year in total and marketable tuber yield. The clone 9 (397078-3) with the least amount of marketable tuber yield had significant difference with clones 4 (397045-13), 1 (397031-16), 3 (397031-11), 6 (397009-8) and 12 (397067-6) in 2013 and with clone 4 (397045-13) and Agria cultivar in 2014. The clones 4(397045-13), 1 (397031-16) and 12 (397067-6) had uniform tuber, yellow to dark-yellow skin and light-yellow to yellow flesh color, tuber shape of oval round and round, shallow to mid shallow eyes, no tuber inner ring, hollow heart and tuber inner crack and mid-late maturity. They were selected for home consumption of chips, french-fries and frying. Based on the results of factor analysis, "tuber yield", "number of tuber" and "plant structural and quality "were named as first, second and third quality determining factors respectively. In this experiment, GGE Bi-plot model and AMMI Stability Value (ASV) parameter, were acceptable methods for the selection of marketable tuber yield stability which found to be simultaneously could introduce clones 1 (397031-16), 3 (397031-11), 4 (397045-13) and 12 (397067-6) to be selected as stable clones with high marketable tuber yield. Manuscript profile
      • Open Access Article

        6 - Effects of climate change on growth stages of broad leaf vetch (Vicia narbonensis L.) and barley (Hordeum vulgare L.) (Case study: Khorramabad)
        Khosro Azizi Ali Reza Daraeimofrad Behrouz Nasiri Mohammad Feizian
        The experiment, is based on the standard scenarios, loaders case IPCC (B1, A2, A1B) by general circulation model (HadCM3) with the use of fine scale model (LARS-WG) with the aim to evaluate the effect of climate change on the phonological stages answer C3 plants, in res More
        The experiment, is based on the standard scenarios, loaders case IPCC (B1, A2, A1B) by general circulation model (HadCM3) with the use of fine scale model (LARS-WG) with the aim to evaluate the effect of climate change on the phonological stages answer C3 plants, in research farm of agricultural college of Lorestan University in cropping years 2014-15 and 2015-16 With, in two consecutive years and rain fed conditions was conducted in one place. Complementary components of intercropping of broad leaf vetch and barley in 5 levels, weeds and compost as well as four levels, respectively. in 4×5 factorial experiment with in a randomized complete block design was used for the target year 2055 AD (1445 Shamsi) in dry land conditions. Climatic factors as temperature, precipitation and daily radiation in period of study with simulation used LARS-WG modeling. Thus, min and max temperature oscillation in the future desirable for growth of C3 plants (broad leaf vetch and barley). Also, average precipitation is slightly more and will reduce the length of the period of growth and failure to deal with the above optimal temperatures and drought stress and escape from the end of the season due to being the period in accordance with growing season, reduce the risk of environmental hazards in the upcoming years due to performance and stability have been achieved fitted. Manuscript profile
      • Open Access Article

        7 - The effect of planting date on yield and yield components of wheat cultivars base GGE Biplot in Gonbad
        zeinab taghizadeh Hossein Sabouri Hossein Ali Fallahi Ahmad Reza Dadras AbdolRahim Taghizadeh,
        The current study was conducted to evaluate determination of best cultivars and planting date of wheat (Triticom aestivum L.) using GGE biplot method in the research field of Faculty of Agriculture, University of Gonbad Kavous in 2013. The experiment was carried out in More
        The current study was conducted to evaluate determination of best cultivars and planting date of wheat (Triticom aestivum L.) using GGE biplot method in the research field of Faculty of Agriculture, University of Gonbad Kavous in 2013. The experiment was carried out in split-plot base on randomized complete block design in three replications. Sowing dates of January 15 and 29 and February 11 assigned in main plots and cultivars including Akbari, Arge, Sistan, Superheah, Bam, Gonbad, Morvareed and N-87-20 in sub plots. The traits of number of total spike, spike length, number of grains in spike, weight of grains in spike, number of spikelets in spike, grain yield and thousand grain weight were measured. The effect of planting dates was significant on studied traits. The interaction of planting date in cultivars was significant on all studied traits but weight of grains in spike and 1000 seed weight. The result of biplot and Mean comparison of cultivars and different planting deta showed that Gonbad had the highest yield and stability. Morvareed and N-87-20 with 2684.6 and 2761.1 yield respectively after gonbad had the highest yield but showed little stability. Correlation coefficients showed positive and significant correlation between grain yield with number of total spike and weight of grains in spike. Therefore, planting of Gonbad cultivar of on January 1 is recommending in Gonbad Kavous region climate condition. Manuscript profile
      • Open Access Article

        8 - A study on grain yield and adaptability and stability of barley genotypes in cold dryland areas
        غلامرضا  خليل زاده
        In order to determine the high yielding, the grain yielding stability , 24 promising barley lines and cultivars, a study was carried out based on RCB – design with four replications in three years ( 2011 to 2014 ) in 6 cold and moderate cold rainfed regions of Maragheh, More
        In order to determine the high yielding, the grain yielding stability , 24 promising barley lines and cultivars, a study was carried out based on RCB – design with four replications in three years ( 2011 to 2014 ) in 6 cold and moderate cold rainfed regions of Maragheh, Kurdestan, Zanjan, Urmia, Sararud and Ardabil. After testing of error uniformity, a combined analysis was carried out in three years for each location. Also, final combination of ANOVA was performed for all environments (3 years and 6 locations ). Results of combined ANOVA analysis showed that locationgenotype and year×location×genotype were significant. The highest average green yield belonged to Sararud with ( 2893kg/ha ) and the lowest one belonged to Ardabil satation ( 1524kg/ha . Lines number 12 with with ( 2471kg/ha ) and 22 with 2499kg/ha ) had the highest average grain yield among genotypes in 3 3 years and 6 locations. Results of stability analysis using Lin and Binns, CV% and rank methods showed that line number 14 ( Schuyler //Alpha/ Durra/3/… ) had the highest stability and lines number 11 and 12 showed relatively stable genotypes in comparison with other ones. Manuscript profile
      • Open Access Article

        9 - Genotype ×environment interaction effect and grain yield stability of barley genotypes
        behrouz vaezi rahmattolah mohammadi asghar mehraban tahmaseb hossienpour narges rahmani moghadam
        Genetic× environment interaction for genetic, plant breeder and animal breeding is very important. Insight of G×E helps to plant breeders for genotypes evaluating precisely until select the best genotypes and release the stable genotypes for general and spec More
        Genetic× environment interaction for genetic, plant breeder and animal breeding is very important. Insight of G×E helps to plant breeders for genotypes evaluating precisely until select the best genotypes and release the stable genotypes for general and special environments. Present study in order to achievement to high yield and yield stable in the different years, was done on the 20 advance barley lines with Mahoor and Khorram cultivars as checks in the 2010-2013 growing season at the 4 stations namely; Gachsaran, Moghan, Gonbad and Lorestan. Each genotype was planted in 6 rows with 7.03 meters length, 17.5 cm spacing from each other by cereal seed planter device based on RCBD design with 4 replications. During growing season recording data was done from agronomic and morpho- physiological characters. Combine analysis of variance was accomplished and yield stability was surveyed by parametric, nonparametric and multivariate analysis. Combine analysis of variance was done by general linear models (GLM) and mix models so that all of effects such as Environment, genotype and genotype* environment interaction effects were significant at probability levels (P<0.001). Grain yield ordered form 3.536 tha-1 to 4.148 tha-1 for G7 and G3 respectively with 87.6% and 102.6% relative preference to checks cultivars. In addition to G17 and G9 about yield was sorted at the next steps.Stability parameters results showed that G17 and G9 detected as the stable and yielded cultivars. Site regression (SREG) and AMMI analysis showed that 47.7% and 85.6% of G×E justify which was may be due to high efficiency of AMMI analysis for this study. Site regression analysis (GGE) showed that all environments and barley genotypes were placed at 3 and 4 groups. For this reason could be said that we have a high G*E interaction effects. According to GGE results, G1, G18 and G3 having high stability and yielded more than checks among barley genotypes. Manuscript profile