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Home > Genomic and Proteomic Analysis of Common Wheat for Rust Resistance and Baking Quality

Genomic and Proteomic Analysis of Common Wheat for Rust Resistance and Baking Quality

Thesis Info

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Author

Begum, Khaist

Program

PhD

Institute

Hazara University

City

Mansehra

Province

KPK

Country

Pakistan

Thesis Completing Year

2019

Thesis Completion Status

Completed

Subject

Genetics

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/12246/1/khaist%20begum%20genetics%202019%20hazara%20uni%20prr.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676726330931

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Triticum aestivum L. comprising essential nutrients, production and utilization on high scale in Pakistan is the reason of conducting the presence research of 40 local wheat cultivars at Cereal Crop Research Institute Pirsabak, Nowshehra. The wheat cultivars were evaluated for agronomical characters, protein content, baking quality and the screening for leaf rust resistance genes in these cultivars. Results showed that Serin-10 followed by Bakhtawar-92 and Aas-81 wheat cultivars showed overall better agronomical characteristics including days to heading, days to maturity, plant height and grain yield in three years. Days to heading showed significant positive correlation with days to maturity and negative correlation with grain yield. However, grain yield showed weak positive correlation with plant height. Among the wheat cultivars, Hasham, Pak-81 and Suleman-96 were found with superior baking qualities. All loci of glutenin genes i.e. GluB3bcf, GluB3i and GluA3e were confirmed through PCR using specific primers. The highest frequency of glutenin gene GluA3e was observed 85%, followed by GluB3i (82.50 %) and the least frequency was observed in GluB3bcf (50 %) in all forty local wheat cultivars. Four cultivars (Bathoor-08, Chakwal-50, Khyber-87 and Punjab-11) was confirmed with presence of all the l leaf rust resistance genes. Lr36 leaf rust resistance gene was confirmed in most of the wheat cultivars. Response of participants to all organoleptic factors in ascending order was observed as Pak-08 followed by Upaq, Barsat, Nowshera and Serin-10 wheat cultivar. Further it was recommended that other environmental factors including soil type, humidity, temperature, light and others studied for their effect on wheat cultivars physiological characters and yield of these cultivars. Other sub-units of glutenin and leaf rust resistance genes should be screen in these cultivars. Also minerals analysis study can help in true fortification in baking that can help reduce the mal-nutrition problems in the region.
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تمام انسانیت کے محسنؐ، سلام انؐ پر درود انؐ پر

تمام انسانیت کے محسنؐ ، سلام اُنؐ پر درود اُنؐ پر
سماں ہو راتوں کا یا کہ ہو دن، سلام اُن ؐ پر درود اُن ؐ پر

یہ بوندا باندی جو ہو رہی ہے ، ہمارے اشکوں کو دھو رہی ہے
اُنہی کی رحمت کی ہے یہ کِن مِن، سلام اُنؐ پر درود اُنؐ پر

پہنچ رہی ہے حضورؐ ڈالی ، سلام والی ، درود والی
نہیں ہے شک اِ س میں کوئی ممکن ، سلام اُن ؐ پر درود اُن ؐ پر

جو اُن ؐ کی رحمت کی حد نہیں ہے ، تمیزِ نیک اور بد نہیں ہے
تو لوگ کیوں بھیجتے ہیں گِن گِن ، سلام اُن ؐ پر درود اُن ؐ پر

کوئی حسد سے جو جل رہا ہے ، زباں سے آتش اُگل رہا ہے
ہمارا اُس کو جواب لیکن، سلام اُنؐ پر درود اُنؐ پر

درود حالِ نبی ؐ پہ بھیجو ، سلام آلِ نبی ؐ پہ بھیجو
کبیر سن ہوں کہ یاہوں کم سن ، سلام اُن ؐ پر دروراُن ؐ پر

ہزار اپنی ریاضتیں ہوں ، ہزار عابدؔ عبادتیں ہوں
ہمارا کوئی نہیں ہے اُن ؐ بِن، سلام اُن ؐ پر درود اُن ؐ پر

The Role Of Attachment Style And Marital Quality In Attachment Injury Couples

The attachment system is thought to facilitate relationship goals by motivation seeking and bonding activities with significant others, particularly under times of stress (Bowlby, 1982). Attachment theory has also contributed to further understanding the marital relationship in terms of profound psychological and physiological interdependence. It is perhaps this interdependence that causes damage to the quality of attachment relationship. Hence, attachment injury is defined as “a specific incident or event in which one partner is unresponsive and inaccessible when one partner cries out for help in extreme need” (Johnson & Makinen, 2001). Therefore, marital distress or breakup in couple’s relationships does not happen suddenly, so understanding of attachment injury in relation to individual’s marital quality and attachment style would help practitioners to be equipped for appropriate and effective inventions. Further it would also help counsellors and mental health professionals to be familiar with the complexities of the topic by dealing with consequences of an attachment injury ethically and competently.  Therefore our study aimed at examining the prevalence and nature of attachment injury and its effect on marital quality, in a group of married heterosexual couples. It also attempted to associate attachment styles with and without attachment injury in couples. The study employed cross-sectional exploratory design with a set of self-administered measures. The sample comprised of 400 married individuals from urban Bangalore. Statistical results showed those individuals who were experiencing attachment injury are associated with poor marital quality. It was also seen that attachment injury was found to be associated with gender and insecure attachment style. Therefore our findings suggest that poor marital quality with insecure attachment style plays an important role in attachment injury over time. Based on the attachment style, further intervention strategies and effective programs should be designed for marital counselling. And marital enrichment programs may be useful to enhance marital quality to prevent the marital distress or breakups.

Morpho-Genetic Analysis and Exploitation of Heterosis Among Hip Bearing Hybrid Roses

Roses have contributed to our social, economic and religious life hence they are called “Index of Civilization”. Presently in Pakistan most of the rose cultivars have been ixintroduced from other countries hence they fail to fit in new environmental conditions of the country. Keeping in view the importance of this issue present study was aimed to get insight into the breeding procedure, complexities and tactics leading to achieve hybrid progenies and to study the magnitude of hybrid vigor inherited in the next generation of parent roses. For this purpose, comparatively well acclimatized and hip producing cultivars including “Autumn Sunset”, “Iceberg”, “Paradise”, “Angel Face”, “Casino”, “Louise Odier”, “Grand Margina”, “Handel” and “Gruss an Teplitz” were selected for crossing. They were planted in the Rose field of Institute of Horticultural Sciences, university of Agriculture, Faisalabad, Pakistan. Morphological description of all cultivars revealed various blends of color of flowers, foliage and leaf hairiness, petiole pubescence and inflorescence types. Data regarding flowering and yields traits also varied in all varieties, however over all better performance was exhibited by the cultivars Iceberg and Gruss an Teplitz scoring 2.5 points each. Poor performance was exhibited by the cultivar Louise Odier. The genotypic and phenotypic and environmental coefficients of variations varied for all quantitative traits. Strong positive correlation was exhibited between number of flowers per plant and overall performance of bushes, flower diameter and petal length, bush shape and height of the plant however fragrance was negatively correlated to flower persistence life. Cluster analysis of the parent on the basis of quantitative traits revealed four major clusters which predicted the different performance for some traits but same for other. Within the individual cluster all the cultivars almost behaved similar. Results about pollen vigor parameters indicated that great variations in pollen quality, quantity, and viability and germination % ages. Maximum number of pollens per anther were exhibited by the cultivar Handel (1612.3) followed by cultivar Angel face (1588.7). Minimum numbers of pollens per anther were counted in the cultivar Iceberg. On average basis the performance of Angel face and Handel was better with respect to both number of anther per flower and number of pollens per anther. Pollen size (L: D) was almost same in all cultivars hence no significant differences were observed. Comparison of means of viability %age revealed that maximum number of viable pollens in term of viability %age were possessed by cultivar Handel (70%) followed by ‘Gruss an Teplitz’ (64%). The minimum viability of pollens was exhibited by the Cultivar ‘Autumn Sunset’ having pollen viability of 35%. Germination medium having 15% sucrose proved very effective for optimum germination results as compared to 10% and 20% sucrose. On average basis the cultivar ‘Grand Margina’ yielded maximum pollen tube length of 46.556 μm followed by ‘Gruss an Teplitz’ having pollen germination of 40.333 μm. The minimum pollen tube length of 9.222 μm was observed in cultivar ‘Iceberg’. Cluster analysis of cultivars on the basis of pollen quality and vigor parameters revealed three main groups. A strong correlation among pollen germination %age and pollen tube length (r = 0.77) and pollen germination %age and pollen viability %age (r = 0.731) was exhibited. Pollen germination is also strongly correlated with pollen size (r =0.738) The comparison of various fertility parameters in vitro and in vivo revealed that cultivar “Handel” showing its maximum pollen viability in vitro performed well with respect to giving more crossing success in field as compared to its average pollen germination %age invitro conditions followed by the cultivar Autumn Sunset. Cultivar Ice Iceberg did not yielded any successful cross. Maximum hip setting %age (83) was observed in for the cross combinations Iceberg x Gruss an Teplitz and Iceberg x Casino and minimum (30%) in Louise Odier x Paradise. Number of seed per hip also varied from 33 to 15 in all cross xcombinations. Response of seeds with respect to germination also varied significantly after treating the seed with various storage temperatures and acid treatments. Results indicated that germination period (F= 89.95, F<0.05), germination %age (F=67.16, P<0.05), imbibition period (F=26.13, P<0.05) and seed vigor index (F= 112.2, P<0.05) was affected significantly by all treatments accordingly. All the treatments also affected morphological traits of seedlings as well. Evaluation of hybrida in the field revealed that all the F1 hybrids produced showed significant variations in qualitative and quantitative traits over their parents. Data regarding heterosis and heterobeltiosis %ages showed also negative and positive results for various traits over their parents. Variations were observed for flower color and diameter, prickles, bush shape and overall performance of all F1 hybrid progenies. Performance of F1 progenies was evaluated in the field conditions while having comparison with their respective parents and data was analyzed by ANOVA to check the significance of variations in the parents and progenies and comparison of means. Further, more hybrid vigor estimation (Heterosis and Heterobeltiosis) proved a useful tool to check the superiority and inferiority of progenies over their parents. Cluster analysis of the parent cultivars and progenies was useful to develop realation on the basis of similarity index among parent and hybrid progenies. Hybrid identification and genetic diversity studies among parents and progenies evaluated by SSR markers also confirmed the contribution of both parents for the development of F1 hybrids. For genetic diversity study SSR loci proved very effective to amplify across parent cultivars, hybrids and to assess their polymorphic contents. Ten of the SSR primers exhibited similar sequence with known gene. Estimates of genetic diversity varied remarkably among loci. Observed heterozygosity (Ho) based on Nei’s estimation revealed that the locus H10, CL9 and RW54 contributed equally for generating more variation and scored maximum number of alleles for respective locus. Allele fixation trends were also observed for different loci and individual groups. Total gene diversity (Ht) was calculated and mean for all loci was 0.852 while the average gene diversity (Hs) for all loci was calculated as 0.768. It was clear from the dendrogram that parent cultivars compiled themselves into four main groups. Little differences were observed within the groups of parent cultivars. Confirmation of hybrids was done by comparing the common alleles between parent and hybrid against all primers. More over phenatic relationship was developed among hybrid progenies and parents to confirm the extent of contribution of each parent for genetic makeup of hybrid. All other hybrids were identified in the same method. It is concluded from the present study that hybrid cultivars have varying level of fertility and it is necessary to evaluated them in search of vigorous pollen donor parent. It is concluded from the result that diallel was not possible as most of the crosses failed. However ANOVA, comparison of means and Cluster analysis aided by SSR fulfilled the objective. Hybrid progenies exhibited vigor over parents for some traits but for other traits they remained uneffective in the climate of Faisalabad city. SSR markers proved helpful tool for confirmation of F1 hybrids and discriminating the parent cultivars and progenies.