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Rice (Oryza sativa L.) genotypes
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Seed-borne rice endophytes are capable of disseminating into host plant tissues as well as to their rhizosphere. Here, we investigated the occurrence of siderophore-producing bacteria (SPB) in the seed endospheres of two distinct rice (Oryza sativa L.) cultivars, TK8 (ssp. japonica) and TCN1 (ssp. indica), and their dissemination into the rhizospheres through culture-dependent methods.
13p
viengels
25-08-2023
6
2
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Poor grain plumpness (GP) is one of the main constraints to reaching the yield potential of hybrid rice. In this study, the GP of 177 rice varieties was investigated in three locations across 2 years. By combining the genotype data of 261 simple sequence repeat (SSR) markers, association mapping was conducted to identify the marker-GP association loci.
9p
vinarcissa
21-03-2023
2
1
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Acceptance of new rice genotypes demanded by rice value chain depends on premium value of varieties that match consumer demands of regional preferences. High throughput prediction tools are not available to breeders to classify cooking and eating quality (CEQ) ideotypes and to capture texture of varieties.
12p
viginny
30-12-2022
7
2
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Quantum of genetic variability and the extent to which heritable and nonheritable variations are related to the characters, determines the extent of genetic amelioration. The present investigation was carried out in kharif, 2019 to understand the clustering pattern and correlation for yield attributing traits in aromatic landraces of rice. Here 90 aromatic rice landraces along with six check varieties were evaluated for 10 quantitative characters. Cluster analysis divided these 96 rice genotypes into 4 clusters.
8p
chauchaungayxua12
29-07-2021
22
1
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The objectives of this study were to identify promising rice genotypes and evaluate the genetic variance and effectiveness of selection of the rice varieties for several yield attributing traits. A varietal trial of fifteen rice genotypes was laid out in a randomized complete block design (RCBD) with three replications in a farmer’s field in Sundarbazar, Lamjung, Nepal during the rainy season of 2018.
13p
chauchaungayxua12
09-07-2021
16
1
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The present investigation was carried out during Kharif 2019-2020 at the Research Farm, S.G. College of Agriculture and Research Station, Jagdalpur (C.G.). The experiment was laid out with 37genotypes and 6 check varieties in randomized block design.
9p
trinhthamhodang11
27-04-2021
14
2
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The sensitivity of rice to high temperature varies with growth phase, an increase in day/night temperature and genotype (Yoshida et al., 1981). Planning and execution of any breeding program for improvement on quantitative traits depends on magnitude of genetic variability.
7p
caygaocaolon11
21-04-2021
14
1
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Twelve genotypes of rice (Oryza sativa L.) were evaluated during Kharif 2015 to study the nature and extent of correlation among yield and yield attributing characters, number of tillers per plant, plant height, panicle length, number of grains per panicle, 1000-grain weight, days to first flowering, days to 50 per cent flowering, days to maturity, grain yield per plant.
6p
caygaocaolon11
21-04-2021
13
1
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This information in mind a study was formulated to assess the character association in a set of rice genotypes for the traits contributing to yield under sodic soil condition.
6p
chauchaungayxua11
23-03-2021
12
1
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The present investigation was undertaken with 30 rice genotypes to estimate the nature and magnitude of genetic divergence for yield and nutritional traits. The 30 genotypes were categorized into six clusters based on D² values using agglomerative hierarchical clustering complete linkage based on Mahalanobis distance. Cluster I was largest comprising of nine genotypes followed by cluster III and IV comprising of seven and six genotypes respectively.
13p
chauchaungayxua11
23-03-2021
14
2
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The present research work was conducted at high and normal salt stress soil condition to study the inherent genetic variation existing among the 78 accessions including seven standards (checks) varieties viz., CSR36, CSR10 , CST7-1, CSR27, Usar Dhan 3 for salinity and alkalinity tolerant, while Sambha Sub1 as for general stress, and PUSA 44 as salt stress sensitive were grown in Augmented Randomized Block Design as parents for developing new rice varieties to break the yield barrier under sodic land.
15p
chauchaungayxua10
18-03-2021
11
3
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A field experiment was conducted in kharif season of 2015 to investigate the influence of silicon solublizer on different rice genotypes namely PA-6129, PA-6201, PA-6444, PHB71, US-312, and BPT-5204. Soil application of silicon solubilizers was given at the time of maximum tillering, panicle initiation and 50% flowering stage. The experiment was arranged as split plot design with three treatments and three replications.
12p
trinhthamhodang1218
26-02-2021
5
2
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The primary step to biofortify rice can be successfully achieved after screening the folate distribution in rice germplasm accessions. The extent of natural variation in folate content needs to be determined to employ selection of genotypes or breeding for enhancement of folate levels. As such, there is very limited study in India on the genetic variation in rice germplasm for folate content. Selection of rice genotypes with higher folate content is the first step towards enhancement of folate levels in rice based foods.
19p
trinhthamhodang1218
26-02-2021
5
1
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In the present study, an attempt was made to understand the association and path analysis of quality and component characters for grain yield in rice genotypes.
6p
cothumenhmong9
18-01-2021
19
2
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The present investigation was carried out in rice to measure the character association and direct and indirect effects of component characters on yield using 33 genotypes. The experiment was laid out in a randomized complete block design with two replications at the Agricultural College Farm Bapatla during kharif 2015.
8p
cothumenhmong9
18-01-2021
20
1
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A set of 48 rice genotypes were subjected to Mahalanobis D2 analysis to assess the genetic diversity. All these genotypes were grouped into seven clusters with maximum inter cluster distance between cluster IV and cluster VII (55.28) and minimum inter cluster distance between cluster II and cluster IV (16.14).
5p
gaocaolon9
22-12-2020
12
2
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The present investigation was carried out for two years during kharif season (2012 and 2013) of 28 rice genotypes including 2 local checks and layout in Randomized Complete Block Design (RBD) with 3 replications under irrigated condition. Nature and magnitude of genetic divergence was assessed using Mahalanobis D2 statistics through which the genotypes were grouped inti 6 clusters.
8p
trinhthamhodang9
16-12-2020
11
2
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The panel comprises of landraces, improved varieties, interspecific derivatives (Oryza glaberrima× Oryza sativa), aromatic and japonica rice etc. were evaluated during Kharif 2019 used for studying genetic variability, heritability and genetic advance for yield and its related traits in rice.
7p
trinhthamhodang9
16-12-2020
19
2
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This study was undertaken to develop and analyze β-carotene rich upma supplementing with curry leaves powder (5, 7.5 and 10 %). Leaves were blanched for 15 seconds and dried using freeze drier. Developed upma were subjected to sensory evaluation by a panel of semi-trained judges. Proximate composition, dietary fibre and β-carotene were analysed in developed upma.
7p
trinhthamhodang1216
19-11-2020
20
2
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A field screening of thirty four drought tolerant rice genotypes was conducted during Kharif 2017 and Kharif 2018 with the objective to identify different genotypes under drought stress condition. Significant variation was observed among genotypes for all studied traits including leaf rolling, leaf drying and relative water content.
8p
trinhthamhodang1216
19-11-2020
6
1
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