Their genetic variety

Xem 1-20 trên 61 kết quả Their genetic variety
  • Forty seven landraces of rice collected from different agro-climatic zones of Himachal Pradesh along with three check varieties were used in the present investigation for the diversity studies using molecular markers to know the their genetic relationship. Higher level of polymorphism was detected by both RAPD and ISSR analysis but the ISSR polymorphism percentage was higher than that of RAPD. Using fifteen RAPD and eleven ISSR primers, 81.2 and 86.4 percent of DNA polymorphism could be detected among these genotypes.

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  • The study of genetic behaviour of awning character in Rice genotypes on the basis of morphological characteristics was carried out at Instructional cum Research farm of IGKV, Raipur. Expression of long and fully awned trait suggested the presence of two independent genes, one dominant and another one recessive in the accession of wild species O. officinalis.

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  • The pod yield was significantly and positively correlated with pod weight, pod girth, pericarp thickness, seed weight per pod, number of pods per plant and weight of 100 seeds. The path coefficient analysis using the phenotypic correlation coefficient among the pair of characters showed that number of pods per plant had the highest positive direct effect on yield. At last it could be concluded that PSM-3 and PSM5 are best performing varieties for this region according to green pod yield.

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  • Edible oils are mainly vegetable oils which have been subjected to several processes to removed undesirable constituents. In order to make them suitable for human consumption, most edible oils are subjected to refining processes, such as neutralization, bleaching and deodorization. Among edible oils, only virgin olive oil (a natural juice obtained by olive pressing), can be consumed without refining. Edible oils are characterized by a wide range of physical and chemical prop-erties, since their composition depend on the type of oil (Rossell1991).

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  • The book "The Mediterranean Genetic Code - Grapevine and Olive" collects relevant papers documenting the results of research in grapevine and olive genetics, as a contribution to overall compendium of the existing biodiversity for both species with insight into molecular mechanisms responsible for their desirable and important traits. Book encompasses a broad and diverse palette of different topics related to grapevine and olive genetics, with no areal or any other strict limitation, keeping the title as a loose frame for borderless science.

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  • The ATP-binding cassette (ABC) transporters are a superfamily of mem-brane proteins that are best known for their ability to transport a wide variety of exogenous and endogenous substances across membranes against a concentration gradient via ATP hydrolysis.

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  • In this study, persimmon genetic resources collected from Turkey and preserved ex situ with commercial cultivars in a germplasm orchard located at Çukurova University, Turkey, were characterized based on their morphological traits.

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  • Dianthus L. is one of the highly valued plant species in the family Caryophyllaceae. More than 30,000 cultivars of commercial carnations have been recorded and there is a need for an effective and cheap method to reveal their genetic diversity and identify the cultivars.

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  • Lupinus montanus subsp. montanus var. montanus Kunth is a widespread taxon occurring throughout the highlands of Central Mexico and Guatemala. Populations of this variety show little variation in plant morphology, but their highly disjunct islandlike distribution suggests that genetic differentiation between populations should be expected.

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  • The molecular evaluation of twelve chickpea (Cicer arietinum L.) varieties (screened for their resistance to fusarium wilt) at the Department of Plant Pathology and Agriculture Microbiology in 2014-15 was conducted to assess the genetic diversity and relationship of chickpea genotypes using RAPD. Twenty five primers of RAPD were used of which 15 primers gave amplification products. A total 349 amplicons were obtained of which 331 amplicons were polymorphic with 93.64 % level of polymorphism was observed.

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  • The experimental material comprised of 27 advance breeding lines and six varieties including ‘Surajmukhi’ as standard in randomized complete block design with three replications during summer- rainy season 2017. Genetic diversity studies grouped 33 chilli genotypes into six clusters. Maximum genotypes were placed in cluster I (16 genotypes) followed by cluster II (7 genotypes). Highest intra-cluster distance was observed for cluster IV followed by cluster II while maximum inter-cluster distance was observed between cluster V and VI followed by IV and V.

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  • Cultivated species of jute (Corchorus olitorius L. and Corchorus capsularis L.) are distinct in their growth and characteristics related to dry matter and fibre yield. The present study was planned to evaluate 77 varieties of jute including two checks, each of C. capsularis and C. olitorius. Characterizations of genotypes of both the species were also carried out on the basis of five marketable traits with their correlation and cluster analysis of them to study the diversity pattern, based on these characters.

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  • Investigations aiming at genetic improvement in Adenium obesum, a popular flowering pot plant were carried out at Advance Technology Centre of soilless system, department of Floriculture and Landscape Architecture, NAU, Navsari. Hybridization was initiated with ten parents (seven females and three males) in 2014 and their crosses were studied during 2015 to 2016. Among the crosses studied, a germplasm viz., SDSH1 (Sudarshan x Double Sweet Heart) showed novel morphological character for multipetalous form having attractive bright red coloured fifteen petals.

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  • An investigation had been taken up to assess few rice genotypes for their inclusion in breeding programme to develop varieties suitable for aerobic cultivation. The experiment was carried out at the experimental field of Sarat Chandra Sinha College of Agriculture, Assam Agricultural University, Dhubri. Evaluation of fifteen rice genotypes, comprising ten traditional cultivars and five high yielding varieties both in aerobic and irrigated lowland situations revealed sufficient variability and interaction of the genotypes with the environment.

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  • The exploration of genetically variable accessions is the key source of germplasm conservation and potential breeding material for the future. The more diverse group of cultivars provides an ample opportunity to breeders for re-leasing new and superior varieties, considering their quality traits for direct commercial utilization. In this study, we analyzed genetic structure, diversity and relationships in 66 accessions of Cicer arietinum using SSR molecular markers. A total of 44 PCR based SSR primers were used for molecular characterization of 66 accessions.

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  • Cotton is an important fiber cash crop of India and cotton leaf curl disease is the major biotic constraint that can significantly reduce the production and productivity of the crop. Gossypium hirsutum L. suffered losses in Northern part of India mainly in Haryana due to high incidence of cotton leaf curl disease (CLCuD) and “whitefly” which is the vector of this disease. Development of resistant variety to this disease is most effective, long term and safe method to tackle with this problem.

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  • The experiment on sixty genotypes including four check varieties (G-50, G-41, G-282 and Punjab Garlic) of garlic (Allium sativum L.) was conducted to work out the genetic variability, heritability and genetic advance effects of their various attributes on yield per plant. The maximum bulb yield per plant was observed in NDG-26 (29.97 g) followed by NDG-41 (29.30 g) and NDG-5 (28.22 g) against the general mean 23.40 g. While the minimum bulb yield per plant was recorded in NDG-31 (15.13 g). The high estimates of genotypic and phenotypic coefficient of variation were recorded as 28.74 and 28.

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  • Eighteen germplasm lines with two check varieties of Faba bean (Vicia faba L.) assessed to work out the genetic variability, heritability and genetic advance on different seed yield traits and divergence analysis of their various attributes on seed yield. The observations were recorded on eleven quantitative characters namely days to 50% flowering, days to maturity, plant height (cm), number of branches per plant, number of pods per plant, number of seeds per pods, 100-seed weight (g), biological yield per plant (g), protein content (%), harvest index (%) and seed yield per plant (g).

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  • An experiment was made to assess extant of genetic variability among fifty germplasm accessions of Indian mustard with three check varieties for various quantitative characters, heritability and genetic advance also estimated for such characters. Analysis of variance revealed highly significant differences for all the characters. The genotypes showed moderate to high level of genotypic coefficient of variance (GCV) and phenotypic coefficient of variance (PCV).

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  • The evaluation study was conducted for different potato varieties and local genotypes collected from different parts of Chhattisgarh and screened against bacterial wilt and viral diseases complex. The locally collected genotypes have been further categorized on the basis of their distinct growth, yield, quality and disease and insect pest reactions behaviour. The study was carried-out at Department of Vegetable Science, IGKV, Raipur, Chhattisgarh in consecutive years i.e. 2013-14 to 2018-19.

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