Fig 1 - uploaded by Manoj Tripathi
Content may be subject to copyright.
Source publication
Chickpea (Cicer arietinum L.) is a leguminous self-pollinating crop belongs to family-Leguminosae (Fabaceae). The aim of a plant breeder is to identify or develop high yielding cultivars. In the present investigation, 83 genotypes grown during Rabi 2021-22 to investigate genetic variability, heritability and genetic advance, correlation, direct and...
Contexts in source publication
Context 1
... the relationship between these independent characters and seed yield results from their direct influence on yield or from their indirect impact through other accrediting characters. In the present investigations, path coefficient analysis has been performed at genotypic and phenotypic levels taking yield as a dependent variable (Table 6, Table 7, Fig. 1, Fig. 2). In general, genotypic direct and indirect effects were somewhat higher in magnitude when equated to the phenotypic effects. ...
Context 2
... the relationship between these independent characters and seed yield results from their direct influence on yield or from their indirect impact through other accrediting characters. In the present investigations, path coefficient analysis has been performed at genotypic and phenotypic levels taking yield as a dependent variable (Table 6, Table 7, Fig. 1, Fig. 2). In general, genotypic direct and indirect effects were somewhat higher in magnitude when equated to the phenotypic effects. ...
Citations
... India spearheads global chickpea cultivation, contributing a substantial 73.78% (10.943 million hectares) of the total global chickpea acreage and 73.45% (11.91 million metric tonnes) of production [13]. This underscores the pivotal role of India in sustaining global chickpea production and emphasizes the imperative to address challenges threatening its cultivation [14][15][16][17]. Despite its nutritional significance and adaptability, the cultivation of chickpea has encountered setbacks in recent times, marked by a decline in acreage and production [18][19][20][21][22]. ...
In the realm of plant breeding, genetic diversity stands as a pivotal factor for advancing crop improvement initiatives. Morphological characterization assists as a critical role, allowing for the scrutiny of discernible traits in crop plants as this facilitates the identification, classification, and comprehension of genetic variations present among diverse genotypes. The objective of this Original Research Article Yadav et al.; Curr. 21 investigation was to scrutinize the morphological traits of 71 chickpea genotypes, with a particular emphasis on 10 selected qualitative traits, in adherence to the DUS testing guidelines. The experimental design employed was the randomized complete block design (RCBD) with three replications at the Research Farm, Department of Genetics & Plant Breeding, College of Agriculture, RVSVV, Gwalior, Madhya Pradesh, India during Rabi 2021-22. Among the parameters investigated, three exhibited a consistent dimorphic phenotype, six displayed three distinct phenotypes (trimorphic), and only one trait manifested more than three phenotypic variations (polymorphic). The diverse chickpea genotypes showed a substantial amount of genetic variability, demonstrating the potential for assigning distinct morphological profiles for varietal identification and characterization. Remarkably, for traits such as the foliage and flower color and seed shape, a high level of diversity within the chickpea genotypes was investigated employing Shannon's diversity indices. This comprehensive morphological characterization not only contributes to the understanding of the genetic landscape of chickpea genotypes but also provides valuable insights for varietal identification and selection in breeding programmes in future.
... Chickpea are a strong source of protein (20-22% by weight) and are also high in dietary fibre, carbs (around 60%), minerals, and vitamins [4][5]. Chickpeas are grown in over 57 countries throughout the world under a wide range of environmental conditions [6][7][8]. India produces 60-65% of the world's chickpea output and is also its greatest consumer [9][10]. The primary goal of modern India is to achieve selfsufficiency in pulse productivity. ...
Chickpea (Cicer arietinum L.) stands as a prominent legume crop globally, renowned for its elevated protein content. The primary challenges to chickpea cultivation emanate from abiotic stressors, with drought reigning as the most pivotal contributor to diminished growth and production output. To select putative drought tolerant genotype (s), an in vitro screening method was Original Research Article Asati et al.; Int. 2156 deployed, utilizing different concentration of Polyethylene Glycol (PEG 6000) as selecting agent along with control. Seeds of twenty different genotypes were treated with different concentrations of PEG6000 and observations were recorded for shoot length (cm), root length (cm), germination percentage, relative water content, seedling vigour index and stress tolerance index (STI). Evidently, all assessed attributes exhibited a significant reduction commensurate with the augmentation of PEG6000. This trend detrimentally influenced germination and the entirety of seedling growth-related metrics. Furthermore, the distinction in variability across genotypes concerning germination percentage, vigour index, and stress tolerance index (STI) emerged as vigorous and informative standards for discriminating drought-tolerant chickpea genotype (s) during both germination and seedling phases. Investigative findings spotlighted the drought-tolerant disposition of genotypes, where genotypes viz., SAGL152252, ICC4958, and JG315 found to be putative drought tolerant based on different parameters investigated.
... Chickpea (Cicer arietinum L.), commonly known as garbanzo bean or Bengal gram, is an ancient and globally significant leguminous crop cultivated for its nutritious seeds [1][2]. Belonging to the Fabaceae family, chickpea holds historical and cultural importance, being cultivated and consumed across various regions for millennia [3][4]. It is a self-pollinated crop [5] and known as King of pulses. ...
... Assessing genetic diversity through the measurement of genetic distance proves to be an invaluable tool in crop breeding [25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41] including chickpea [4][5], aiding in the selection of suitable parent plants to facilitate novel genetic recombination and enhance grain yield [42]. The presence of genetic diversity stands as a pivotal factor in the formulation of effective and fruitful breeding initiatives [23]. ...
... This method facilitates the identification of hierarchical patterns within the analyzed accessions. By grouping these accessions based on specific traits, it enables the identification of promising pairs for crossbreeding purposes in the context of chickpea studies [4][5]. This approach serves to assess both the likeness and distinctiveness among different accessions, while also quantifying the extent of a particular trait's expression. ...
The present investigation was conducted at the Agriculture Research Farm, Department of Genetics and Plant Breeding, College of Agriculture, Rajmata Vijyaraje Scindia Krishi Vishwa Vidyalaya, Gwalior, Madhya Pradesh, India. The objective of the investigation was to assess the genetic diversity among 71 different chickpea genotypes in relation to their yield and its attributing traits. The experimental design employed was a complete randomized block design with two replications. A comprehensive set of observations was made on twelve distinct yield accrediting traits from five randomly selected plants within each genotype. Based on D 2 Statistics analysis, the 71 chickpea genotypes were classified into 26 distinct clusters. Conspicuously, the cluster with the highest numbers of genotypes was designated as cluster 1. A remarkable finding emerged from the analysis of intra-cluster distances, with cluster 16 displaying the greatest distance within its Original Research Article Yadav et al.; Int. 1599 constituents. The evaluation of inter-cluster distances revealed significant dissimilarity between clusters 22 and 26, suggesting presence of considerable genetic variation between these clusters. Conversely, the inter-cluster distance was minimal between clusters 2 and 4, indicating a closer genetic relationship between genotypes ICCV 201109 and SAGL-162387. In terms of the genetic diversity analysis, it became evident that the yield related traits exerting the most substantial influence on the overall genetic divergence among the 71 chickpea genotypes were biological yield per plant, 100-seed weight, and the numbers of pods per plant. In contrast, the numbers of effective pods per plant contributed minimally to the overall genetic divergence. Based on the findings from both inter-cluster distances and individual performance assessments (per se performance), two specific genotypes viz., ICCV 201207 and SAGL 22-121, were short out as promising for inclusion in a hybridization programme. These findings contribute to a deeper understanding of chickpea genetic variability and lay the groundwork for further breeding programmes aimed to enhance chickpea crop productivity.
... Numerous biotic and abiotic factors contribute to the reduced productivity of chickpea [9][10][11][12][13][14][15][16][17][18]. A comprehensive survey conducted in 1995 across 55 countries revealed the presence of 172 pathogens causing various diseases in chickpea. ...
Fusarium wilt caused by Fusarium oxysporum f. sp. Ciceris is one of the economical important
vascular root diseases affecting chickpea which can cause up to 90% yield loss during crop growth
stages. In the present investigation, 71 chickpea genotypes including two controls viz., JG315(highly resistant) and JG 62 (highly susceptible) were screened by artificial inoculation of pathogen
causing Fusarium wilt under controlled conditions in poly house using Completely Randomized
Design with two replications during Rabi 2022 with intention to identify potentially wilt resistant
genotype (s). Disease incidence was evaluated across distinct developmental phases, specifically
the seedling and reproductive stages, employing the metric of percent disease incidence. At the
seedling stage, out of the 71 entries, 24 genotypes displayed resistance to the disease, 38
genotypes exhibited moderate resistance, five genotypes found to be moderately susceptible, three
susceptible, and only one genotype showed high susceptibility. Upon reaching the reproductive
stage, the disease reactions changed drastically as only one genotype was found resistant, 14
genotypes moderate resistance, 17 moderately susceptible, 25 susceptible and 14 highly
susceptible.
... This process contributes to the overall improvement of soil health and productivity [4]. It is highly nutritious encompassing of vitamins, minerals, and vital amino acids, including lysine, methionine, threonine, valine, and leucine, as well as ßcarotene, calcium, phosphorus magnesium, and potassium" [5][6][7][8][9][10]. It is currently cultivated in more than 50 countries across the globe. ...
... Morphological descriptors are not only valuable for DUS testing and varietal classification nonetheless also for assessing diversity and revealing phylogenetic relationships among different lines. By conducting morphological characterization, breeders can identify recurring parents and gain insights into the genetic diversity of chickpea germplasm limes [8][9]. This information proves valuable for developing improved varieties with a broader genetic base [41]. ...
The cultivated chickpea (Cicer arietinum) holds great importance as a pulse crop in India. The identification and classification of diverse genotypes are crucial for implementing effective strategies to improve this crop. This study was conducted to get a comprehensive morphological characterization of desi chickpea genotypes using the DUS (Distinctness, Uniformity, and Stability) descriptors suggested by the Protection of Plant Varieties and Farmer's Rights Authority, Government of India, in 2018. Environmental conditions, such as temperature, light, humidity, and nutrient availability, can influence plant variability. Different environments impose selective Original Research Article Asati et al.; Int. 1322 pressures on plants resulting in variability within plant populations. The objective of the investigation was to identify and classify diverse chickpea genotypes based on 17 different qualitative traits observed in a field experiment. Among the 17 DUS traits only one trait exhibited a consistent phenotype (monomorphic), six traits displayed two distinct phenotypes (dimorphic), nine traits exhibited three distinct phenotypes (trimorphic), and only one trait showed more than three phenotypic variations (polymorphic) among all the chickpea genotypes studied. This indicates the presence of significant genetic variability within the chickpea germplasm, offering the potential for assigning different morphological profiles for varietal identification and characterization. In particular, for features like seed and foliar colour, pod size, leaflet size, and seed shape, it was found that a high level of diversity within the chickpea germplasm using Shannon's diversity indices. The characterization of these genotypes enabled the development of distinct profiles for each line, facilitating their identification and evaluation as elite chickpea lines.
... The diverse characteristics found within maize contribute to its extensive range of morphological, physiological, and agronomic traits, making it a valuable crop for plant breeders seeking to enhance its qualities [1]. Variability, heritability, and genetic advance are crucial concepts that aid breeders in comprehending the genetic diversity present in populations and assist in identifying and selecting the most promising individuals for further advancements [9][10][11][12][13]. Breeders utilize these parameters to identify individuals with desirable traits and make informed decisions regarding parental selection, hybridization, and advancement of breeding populations [14][15][16]. ...
... Traits with high GCV values are more likely to respond positively to selection, as they are under strong genetic control. Conversely, traits with high PCV values may require more attention to environmental management and may have limited genetic potential for improvement [9][10][11][12][13][14][15][16]. ...
... Heritability estimates provide breeders with valuable insights into the proportion of phenotypic variation that can be attributed to genetic factors. By accurately estimating heritability, breeders can assess the potential for genetic improvement in specific traits [9][10][11][12]. This knowledge enables them to focus their efforts on traits with higher heritability, increasing the likelihood of success in genetic enhancement [12][13][14]. ...
Understanding the variability, heritability, and genetic advance in maize is crucial for efficient plant breeding and genetic improvement programmes. The present investigation was conducted to evaluate the various parameters related to assessment of genetic variability and nature of associations among traits affecting grain yield in 80 genotypes of maize (Zea mays L.) at the 773 India during the Rabi seasons of 2019-20 and Kharif 2020-21. The analysis of variance revealed that highly significant differences exist among the inbred lines, their hybrids and checks for all the characters. Under irrigated and partial irrigated conditions, traits viz., days to 50 percent tasselling and silking, anthesis silking interval (ASI), plant height and membrane stability index exhibited high GCV and PCV. The characters with the highest heritability coupled with higher genetic advance were found for the traits namely: days to 50% silking and 50% tasselling, anthesis silking interval, plant height, numbers of kernel rows per cob, numbers of kernel per rows, seed yield per plant (g), numbers of cobs per plant, days to maturity, cob girth (cm), turgid weight (g), saturation water deficit and membrane stability index for both under irrigated and partial irrigated conditions. High heritability with higher genetic advance as percent of mean indicated the preponderance of additive gene action in controlling the traits. Hence direct selection of such characters would be effective in improving the yield in maize.
For most of the examined variables, there was significant variation between the germplasm lines. Independent of their breeding locations, the genotypes under study were grouped into seven clusters by genetic diversity analysis. Cluster I contained the most genotypes, 24 and the fewest in clusters V and VII, which were solitary. In contrast, cluster II held 10 genotypes, cluster III had 7, and clusters IV and VI could each hold 4 genotypes. Clusters III and VI had the greatest inter-cluster distance, which indicated that their genotypes had the greatest genetic diversity. According to principal component analysis (PCA), Four of the first fourteen PCs had eigenvalues greater than one. PC 1 alone accounted for the highest variance of 33.1%, followed by PC 2 with 21.7%. The outcomes of this investigation might be used as a foundation for defining and implementing subsequent chickpea breeding initiatives. Seed Yield, Number of Secondary Branches, Harvest Index, and biological yield, test weight, number of seeds per pod, and number of filled pods per plant were all found to be variable in biplot.
