Jagadeesha Rc

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D. Satish

Indian Institute of Horticultural Research

Lakshmidevamma TN

University of Horticultural Sciences Bagalkote

Rohini K Patil

Shantappa Tirakannanavar

University of Horticultural Sciences Bagalkote

G Prkash

P. M. Gangadharappa

University of Horticultural Sciences Bagalkote

Shivanand Hongal

Krishi Vigyan Kendra, Ghatkhed Amravati

M Ratnakar Shet

SM Veeresha

Hanchinamani Cn

Cooperative Institutions

University of Horticultural Sciences Bagalkote

Kerala Agricultural University

University of Agricultural Sciences, Dharwad

Rani Channamma University, Belagavi

University of Agricultural Sciences, Bangalore

Sam Higginbottom Institute of Agriculture

Krishi Vigyan Kendra, Ghatkhed Amravati

Central Institute of Post-Harvest Engineering and Technology

Nanjing Institute of Vegetable Science

Institute of Crop Science

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Genetic correlation and path coefficient analysis in chilli (Capsicum annum L.) genotypes for growth and yield contributing traits

Journal of Pharmacognosy and Phytochemistry (2018)

Shweta Shweta Basavarajappa Hr D. Satish Jagadeesha Rc Hanachinmani Cn

Forty two genotypes of chilli were used to study the correlation and path analysis for growth and yield contributing characters. The experiment was laid out in randomized block design with three replication at Kittur Rani Channamma College of Horticulture Arabhavi during Kharif season, 2016. The results revealed that plant height had positive and significant correlation with number of secondary branches, fruit length, green fruit weight and green fruit yield per plant. The path coefficient analysis brought out the number of fruits per plant, fruit width and average fruit weight as major yield components, which could be considered as selection indices for improvement. The results suggested that due emphasis should be on to the genotypes that are having maximum number of fruits per plant, fruit length, fruit girth and fruit weight in the selection process due to their high positive direct effect on green fruit yield.

Path coefficient

Kharif crop

Genetic correlation

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Citations (1)

Survey, Collection and Preliminary Observation of Culinary Melon Germplasm from Southern India

Indian Journal of Plant Genetic Resources (2022)

M Ratnakar Shet Shivanand Hongal T Shantappa SM Veeresha Jagadeesha Rc

Germ plasm

Melon

10.5958/0976-1926.2022.00013.4

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Genetic variability and correlation studies in intervarietal hybrids of Mangalore melon (Cucumis melo var. acidulous) for productivity traits

Deleted Journal (2021)

Shivadatta Kumbar Shantappa Tirakannanavar Ratnakar M. Shet D. Satish Jagadeesha Rc

Sixteen intervarietal hybrids of Mangalore melon (Cucumis melo var. acidulous) were developed and evaluated at college of horticulture, Sirsi (Karnataka) to study the genetic variability and correlation present among the hybrids. Results revealed that significant genetic variability present among hybrids for almost all traits. A high range of variation, high PCV, GCV and high heritability observed for all the traits studied. However, high heritability coupled with high genetic advance was recorded for average fruit weight, vine length, days to first harvest, fruit diameter and fruit length it indicates less environmental influence, broader genetic base and also it depicts presence of additive gene action. Rest of the traits showed high heritability with low to moderate genetic advance indicates presence of dominant gene action. Further correlation study reveals that at genotypic level, fruit yield per plant had a highly significant and positive correlation with vine length, number of primary branches, number of fruits per plant, fruit length, fruit width, fruit diameter, average fruit weight, flesh thickness and seed cavity length and at phenotypic level, fruit yield per plant had a highly significant and positive correlation with vine length, number of primary branches, number of fruits per vine, fruit length, fruit diameter, average fruit weight, flesh thickness and seed cavity length.

Cucumis

Melon

Vine

Genetic Variability

Flesh

Genetic correlation

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Citations (2)

Correlation and path analysis for growth, yield and quality traits in F3 population of Cherry tomato (Solanum lycopersicum L. var. cerasiforme)

International Journal of Chemical Studies (2019)

M. B. Doddamani Jagadeesha Rc Rosemol Baby G Prkash

The genetic parameters were studied to elucidate the genetic variability, heritability and genetic advance in cherry tomato (Solanum lycopersicum L. var. ceraciformae). Evaluation of thirty six genotypes of cherry tomato was done in randomised complete block design (RCBD). Yield per plant was positively and significantly associated with plant height at 90 DAT, number of secondary branches at 90 DAT, number of primary branches at 90 DAT and TSS at genotypic level and also positively and significantly associated with number of fruits per plant at genotypic and phenotypic level. Highest positive direct effects on total yield per plant was shown by number of fruits per plant, days to 50 per cent flowering, plant height at 90 DAT, average fruit weight, equatorial diameter, number of secondary branches at 90 DAT. Days to first flowering, polar diameter, plant spread from east to west at 90 DAT and plant spread from north to south at 90 DAT had negative direct effects on yield per plant. Characters having high positive direct effects along with positive significant correlation with yield per plant can be directly selected, and simultaneously the characters which show high positive indirect effects can also be selected for the improvement of yield.

Cherry tomato

Path coefficient

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Genotype x environment interaction and stability analysis in Recombinant inbred lines of French bean for growth and yield components

Journal of Pharmacognosy and Phytochemistry (2017)

D. Satish Jagadeesha Rc Rohini K Patil Dileepkumar Masuthi

The phenotypic stability of nine recombinant inbreed lines of French bean were tested for growth and yield components by growing them in four different environments. Results revealed highly significant difference among the genotypes for all the traits studied except for pod weight, days to 50 percent flowering and days to maturity. Significant variation among the environments was observed for almost all the characters studied except for pod weight and days to maturity. Genotype x environmental interaction were significant for pod length, pod weight and green pod yield per plant, which indicates differential performance of genotypes under different environments. Among the recombinant inbreed lines tested for stability, inbreed line, 6-1 had maximum green pod yield per plant and is most stable over different environments with high mean values, regression coefficient around unity and non-significant deviation from regression.

Inbred strain

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Citations (3)

Genotypic, phenotypic correlation and path analysis studies in Chilli (Capsicum annuum)

International Journal of Chemical Studies (2021)

Lakshmidevamma TN Jagadeesha Rc Hanchinamani Cn

Field experiment was conducted at the college of Horticulture, Bidar University of Horticultural Sciences, Bagalkot (Karnataka) to know the genotypic, phenotypic and Path association between ten yield and yield attributing characters in green chilli. Correlation coefficients indicated that fruit yield per plant was significant and positively correlated with number of fruits per plant and number of branches per plant. Incidence of leaf curl showed highly significant and negative correlation with yield per plant at both phenotypic (-0.606) and genotypic (-0.747) leavel.

Capsicum annuum

Path coefficient

Positive correlation

10.22271/chemi.2021.v9.i1ae.11548

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Citations (1)

Genetic variability and correlation studies in onion (Allium cepa L.) genotypes

Journal of Pharmacognosy and Phytochemistry (2019)

Udachappa U. Pujar Jagadeesha Rc P. M. Gangadharappa M. L. Chavan Sridhara Shankarappa

Onion (Allium cepa L.) is one of the most valuable vegetable cum spice crop belongs to the family Alliaceae with chromosome number 2n=16. The existing knowledge about onion genetic diversity and resources is limited or one has to review periodically which helps in the efficient management of germplasm and selection of parents for crossing. Hence the present investigation was carried out with 40 onion genotypes for genetic variability which revealed that the environmental influence was very less on expression of these characters as it was evident by narrow gap between genotypic and phenotypic coefficients of variation. Genotypic and phenotypic coefficients of variation were moderate to high, for all the characters studied except for days to first flowering, days to 50 per cent flowering and TSS. Moderate to high heritability was observed for all characters and high genetic advance as per cent mean indicating that simple selection would be sufficient for these traits to bring genetic improvement. Individual bulb weight had positive and highly significant association with plant height, number of leaves, neck thickness and bulb diameter. Strong association of these traits revealed that selection based on these traits would ultimately improve the individual bulb weight per plant and it is also suggested that hybridization of genotypes possessing combination of such characters is most useful for obtaining desirable high yielding segregants.

Germ plasm

Bulb

Genetic Variability

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Assessment of genetic diversity in different Chilli (Capsicum annuum L.) genotypes

International Journal of Chemical Studies (2021)

Lakshmidevamma TN Jagadeesha Rc Imamsaheb SJ P Vijalaxmi

Fort five genotypes of chilli (Capsicum annuum L.) were investigated to understand the extent of genetic diversity through ten growth and yield attributing characters. Genetic diversity in chilli genotypes based on ten characters was estimated using Mahalanobis’s D2 statistics. The genotypes were grouped into six different clusters. Cluster I is the largest cluster having 29 genotypes, followed by cluster II with 12 genotypes, cluster III, V and VI cluster had one genotype each. The highest mean for Days to 50 per cent flowering was observed in the cluster VI (105) followed by cluster II (103.50), cluster I (102.64), cluster IV (101.00). The lowest mean was observed in the Cluster V (95.00). The highest mean for Days to first picking was observed in the Cluster IV (152.00). The lowest mean was observed in the Cluster V (137.50). The highest mean for Yield per plant was observed in the Cluster VI (279.75) and lowest mean was observed in the cluster I (259.33). The highest mean for Incidence of leaf curl was observed in the Cluster III (2.50) followed by cluster I (2.38). The lowest mean was observed in the Cluster IV and Cluster VI (1.50).

Capsicum annuum

Mahalanobis distance

10.22271/chemi.2021.v9.i1ae.11547

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Genetic diversity analysis among banana cultivars through ISSR markers

Journal of Pharmacognosy and Phytochemistry (2018)

Babu Ag G. Prabhuling Rashmi S Karani D. Satish Rohini K Patil

In Karnataka, several landraces of banana are cultivated in different parts, known by different local names. Eight banana cultivars (Sugandhi Bale, Rajapuri Bale, Nanjanagud Rasbale, Sakkare bale, Basrai dwarf bale, Hanuman bale, Kalyani bale and Kari Bale) from Karnataka state were selected for genetic diversity study. Genetic variations and relationships among ten important banana cultivars were evaluated using 20 Inter Simple Sequence Repeat (ISSR) primers. The ISSR-PCR technique was used in the present study for the evaluation of genetic diversity within the Banana cultivars. Among 20 ISSR primers representing tri-, tetra, Penta and other repeats 12 primers revealed polymorphic patterns. Using those 12 primers, 72 bands in total were obtained, out of which 42 were polymorphic and scored giving an average of 3.5 bands amplified per primer. The used primers produced specific patterns for each banana cultivar. This study reveals there is a huge genetic dissimilarity among banana cultivars reveals their different genomic constitution and different evolutionary pattern of the cultivars. Hence need for cultivar wise cultivation, conservation, propagation and commercial production.

Primer (cosmetics)

Germ plasm

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Citations (6)

Genetic variability, heritability and genetic advances in chilli (Capsicum annuum)

International Journal of Chemical Studies (2021)

Lakshmidevamma TN Jagadeesha Rc CN Hanchinamani Arunkumar KT

The present investigation was carried out to find out the variability, heritability and genetic advance in chilli (Capsicum annuum L.) at the College of Horticulture, Bidar. The experiment was laid out in randomized block design. All the treatments were randomly distributed among the plots and were replicated two times. Transplanting of seedlings was done at spacing of 60x45 cm. The observations were recorded on five plants per plots for days to 50 per cent flowering, days to maturity plant height, number of branches per plant, number of fruits per plant, fruit length, fruit width, test weight and yield per plant. The genotypes GCA-1 has recorded significantly higher yield per plant of 638 g, while lower yield per plant was recorded in GPM-41 of 79 g. Number of branches per plant (13) was noticed in Pant C-1 and maximum number of fruit per plant was noticed in genotype Nalchatii (37.50).

Capsicum annuum

Transplanting

Genetic Variability

10.22271/chemi.2021.v9.i1ae.11546

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