2021
DOI: 10.1002/csc2.20483
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Assessment of the genetic diversity of groundnut (Arachis hypogaeaL.) genotypes for kernel yield, oil and fodder quantity and quality under drought conditions

Abstract: The objective of this study was to determine drought tolerance, kernel (KY) and fodder yield and quality amongst diverse groundnut genotypes for direct production or breeding. Hundred genotypes were evaluated at ICRISAT, India during 2018–2019 and 2019–2020 under drought‐stressed (DS) and nonstressed (NS) conditions. Data were collected on KY; oil content (OC); oil yield (OY); protein content; palmitic, stearic, oleic, and linoleic acid contents; haulm yield (HY); and fodder quality parameters such as the cont… Show more

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Cited by 7 publications
(10 citation statements)
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References 39 publications
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“…Considering the overall mean values, seed yield decreased by > 50% in WS treatment. A drastic reduction was also reported in sesame (Boureima et al., 2016; Mensah et al., 2006; Pandey et al., 2021) and other important field crops such as chickpea (Nayyar et al., 2006), rice (Vikram et al., 2011), soybean (Guzzo et al., 2021), and peanut (Abadya et al., 2021) under drought conditions. A significant reduction in the seed yield under WS treatment could be due to less number of capsules, branches, and shorter plant height compared to mean of accessions under NS treatment (Table 1).…”
Section: Discussionmentioning
confidence: 80%
See 1 more Smart Citation
“…Considering the overall mean values, seed yield decreased by > 50% in WS treatment. A drastic reduction was also reported in sesame (Boureima et al., 2016; Mensah et al., 2006; Pandey et al., 2021) and other important field crops such as chickpea (Nayyar et al., 2006), rice (Vikram et al., 2011), soybean (Guzzo et al., 2021), and peanut (Abadya et al., 2021) under drought conditions. A significant reduction in the seed yield under WS treatment could be due to less number of capsules, branches, and shorter plant height compared to mean of accessions under NS treatment (Table 1).…”
Section: Discussionmentioning
confidence: 80%
“…The accession PI 170735, originating from Turkey, was noted as drought tolerant accession with higher yield and more stability between treatments and also had the highest STI value (Table 5). Abadya et al (2021) stated that this type of accession had stable yield values under water stressed and NS conditions which can be used in breeding programs to develop higher yield cultivars with drought tolerance. In addition, multiple trait-based selection for accessions can improve the genetic gains of studied traits (Abadya et al, 2021).…”
Section: Discussionmentioning
confidence: 99%
“…The analyzed peanut varieties encompassed a large range of variability for kernel weight (0.003–2.47 g/pod), shell weight (0.05–1.40 g/pod) and their ratio–shelling % (1.5%–87.8%), sufficiently representing the cultivated South Asian gene-pool [ 50 , 51 ]. In many of the peanut market scenarios, the price incentives are primarily linked to a higher proportion of larger kernels and high shelling percentage (high proportion of kernel mass in total pod mass) in the raw produce [ 44 , 45 , 52 ].…”
Section: Discussionmentioning
confidence: 99%
“…Similarly, crop improvement programs have to breed for the same traits in order to enhance the economics of peanut farming. This is currently difficult because evaluation of these traits in both processes (i.e., market and breeding) relies on manual assessment which is time-consuming and potentially error-prone (e.g., [ 3 , 44 , 51 , 53 , 54 ]. Therefore, assessing the potential of emerging X-ray technology options and advanced data analytics to close these gaps was the main motivation of the presented study.…”
Section: Discussionmentioning
confidence: 99%
“…The difference in pod yield between irrigated and drought-stressed plots is measured as a response to drought stress. The genotypes that show the least reduction in pod yield under stress are classified as tolerant to drought ( Craufurd et al, 2003 ; Krishnamurthy et al, 2007 ; Kakani et al, 2015 ; Akbar et al, 2017 ; Abadya et al, 2021 ). This type of stress is categorized as a mid- or end-of-season drought.…”
Section: High-throughput Phenomics To Accelerate Data Collection In G...mentioning
confidence: 99%