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62 results for “cowpea”
Planteome/CO_340-cowpea-traits: CO_340-cowpea-traits ontology
<p>Cowpea Trait Dictionary - IITA - August 2015 - Updated Nov 2023 with the traits and variables for on farm comparative ranking of varieties</p>
Figure 7 in Mitigation of the effects of salt stress in cowpea bean through the exogenous aplication of brassinosteroid
Figure 7. Effect of 24-epibrasinolide in the activity of the enzyme nitrate reductase of cowpea roots under salt stress. Capital letters indicate statistical differences between EBL treatments (p <0.05) based on upon a Tukey's test; small letters indicate statistical differences between salt treatments (p <0.05) based on upon a Tukey's test.
Figure 6 in Mitigation of the effects of salt stress in cowpea bean through the exogenous aplication of brassinosteroid
Figure 6. Effect of 24-epibrasinolide in the activity of the enzyme nitrate reductase of cowpea leaves under salt stress. Capital letters indicate statistical differences between EBL treatments (p <0.05) based on upon a Tukey's test; small letters indicate statistical differences between salt treatments (p <0.05) based on upon a Tukey's test.
Figure 3 in Mitigation of the effects of salt stress in cowpea bean through the exogenous aplication of brassinosteroid
Figure 3. Effect of 24-epibrasinolide in the stem diameter of cowpea plants under salt stress. Capital letters indicate statistical differences between EBL treatments (p <0.05) based on upon a Tukey's test; small letters indicate statistical differences between salt treatments (p <0.05) based on upon a Tukey's test.
Fig. 2 in Egg parasitoids of stink bugs (Hemiptera: Coreidae and Pentatomidae) on soybean and cowpea in Brazil
Fig. 2. Map of the known occurrence of the stink bug parasitoids Trissolcus basalis, Tr. urichi, Tr. teretis, Tr. bodkini, Telenomus podisi, Phanuropsis semiflaviventris, Neorileya flavipes, Ooencyrtus anasae, and Anastatus sp. in Brazil.
Fig. 1 in Egg parasitoids of stink bugs (Hemiptera: Coreidae and Pentatomidae) on soybean and cowpea in Brazil
Fig. 1. Female, lateral view. (1) Trissolcus urichi, (2) Trissolcus teretis, (3) Telenomus podisi, (4) Trissolcus bodkini, (5) Phanuropsis semiflaviventris, (6) Neorileya flavipes, (7) Anastatus sp., (8) Ooencyrtus anasae.
Fig. 1 in Population development of bean weevils (Coleoptera: Chrysomelidae: Bruchinae) in landrace varieties of cowpeas and common beans
Fig. 1. Daily emergence (insects per dish) of (a) Callsobruchus maculatus and (b) Zabrotes subfasciatus observed in landrace varietes of cowpea and common bean, respectvely. The symbols represent the means of 4 replicates. Error bars represent the standard error. The equaton parameters are provided in Table 1.
Fig. 2 in Population development of bean weevils (Coleoptera: Chrysomelidae: Bruchinae) in landrace varieties of cowpeas and common beans
Fig. 2. Means of the total emergence of adult insects of (a) Callosobruchus maculatus and (b) Zabrotes subfasciatus recorded in landrace varietes of cowpea and common bean, respectvely. Means under the same line are not significantly different, according to Tukey's test (P <0.05).
Fig. 4 in Population development of bean weevils (Coleoptera: Chrysomelidae: Bruchinae) in landrace varieties of cowpeas and common beans
Fig. 4. Means of the percentage weight loss of (a) cowpea and (b) common bean. Means under the same line are not significantly different, according to Tukey's test (P <0.005).
Screen of Arabidopsis mutants homologous to Cowpea GWAS peaks
<p>This dataset was collected for T-DNA insertion mutants of Arabidopsis that were selected based on the sequence homology with the candidate genes in cowpea (<em>Vigna unguiculata</em>) identified through GWAS for drought induced changes in growth, evapotranspiration and photosynthetic efficiency. The T-DNA insertion lines were germinated on agar plates and transferred to soil - where the seedlings were exposed to drought stress (10% soil water-holding capacity). </p>
Cowpea GWAS drought stress in early vegetative stage
<p>The GWAS outputs for Cowpea (<em>Vigna unguiculata</em>) responses to drought stress at early vegetative stress. The cowpea seedlings (miniCore population) were exposed to drought stress at 17 days after germination using the weight of the pot and AAWEsmo device, developed in Julkowska Lab, Boyce Thompson Institute. The seedlings were kept at 60 and 10% of soil water holding capacity for 2 weeks and the data on cowpea shoot size, evapotranspiration and photosystem II efficiency was collected. The data was assembled and curated (https://rpubs.com/mjulkowska/Cowpea2022alltraits), and subsequently used for GWAS. The GWAS data was analyzed, and the most interesting associations were selected (https://rpubs.com/mjulkowska/Cowpea2022Gwas). </p> <p>The raw data was collected by Hayley Sussman, with help of Olga Khmelnitsky, while GWAS was performed by Magdalena Julkowska, using ASReml script developed by Arthur Korte (https://github.com/arthurkorte/GWAS), adapted for cowpea. </p>
No disruption of rhizobial symbiosis during early stages of cowpea domestication
<p>Modern agriculture intensely selects aboveground plant structures, while often neglecting belowground features, and evolutionary tradeoffs between these traits are predicted to disrupt host control over microbiota. Moreover, drift, inbreeding, and relaxed selection for symbiosis in crops might degrade plant mechanisms that support beneficial microbes. We studied the impact of domestication on the nitrogen fixing symbiosis between cowpea and root-nodulating <i>Bradyrhizobium.</i> We combined genome-wide analyses with a greenhouse inoculation study to investigate genomic diversity, heritability, and symbiosis trait variation among wild and early-domesticated cowpea genotypes<i>. </i>Cowpeas experienced modest decreases in genome-wide diversity during early domestication. Nonetheless, domesticated cowpeas responded efficiently to variation in symbiotic effectiveness, by forming more root nodules with nitrogen-fixing rhizobia and sanctioning non-fixing strains. Domesticated populations invested a larger proportion of host tissues into root nodules than wild cowpeas. Unlike soybean and wheat, cowpea showed no compelling evidence for degradation of symbiosis during domestication. Domesticated cowpeas experienced a less severe bottleneck than these crops and the low nutrient conditions in Africa where cowpea landraces were developed likely favored plant genotypes that gain substantial benefits from symbiosis. Breeders have largely neglected symbiosis traits, but artificial selection for improved plant responses to microbiota could increase plant performance and sustainability.</p>
Cowpea
<p>DArT Genotyping data</p>
Cowpea drought stress application at early vegetative stage 2022 - screen 01 - day 13 - raw image data
<p>Cowpea (<em>Vigna unguiculata</em>) miniCore accessions were screened for responses to drought stress at early vegetative stress. The cowpea seedlings were exposed to drought stress at 17 days after germination using the weight of the pot and AAWEsmo device, developed in Julkowska Lab, Boyce Thompson Institute. The seedlings were kept at 60 and 10% of soil water holding capacity for 2 weeks and the data on cowpea shoot size, evapotranspiration and photosystem II efficiency was collected. </p> <p>This dataset represents the images collected for Screen number 01 and day 13 after drought stress application. </p>
Cowpea drought stress application at early vegetative stage 2022 - screen 01 - day 08 - raw image data
<p>Cowpea (<em>Vigna unguiculata</em>) miniCore accessions were screened for responses to drought stress at early vegetative stress. The cowpea seedlings were exposed to drought stress at 17 days after germination using the weight of the pot and AAWEsmo device, developed in Julkowska Lab, Boyce Thompson Institute. The seedlings were kept at 60 and 10% of soil water holding capacity for 2 weeks and the data on cowpea shoot size, evapotranspiration and photosystem II efficiency was collected. </p> <p>This dataset represents the images collected for Screen number 01 and day 8 after drought stress application. </p>
Cowpea drought stress application at early vegetative stage 2022 - screen 01 - day 06 - raw image data
<p>Cowpea (<em>Vigna unguiculata</em>) miniCore accessions were screened for responses to drought stress at early vegetative stress. The cowpea seedlings were exposed to drought stress at 17 days after germination using the weight of the pot and AAWEsmo device, developed in Julkowska Lab, Boyce Thompson Institute. The seedlings were kept at 60 and 10% of soil water holding capacity for 2 weeks and the data on cowpea shoot size, evapotranspiration and photosystem II efficiency was collected. </p> <p>This dataset represents the images collected for Screen number 01 and day 6 after drought stress application. </p>
Cowpea drought stress application at early vegetative stage 2022 - screen 01 - day 04 - raw image data
<p>Cowpea (<em>Vigna unguiculata</em>) miniCore accessions were screened for responses to drought stress at early vegetative stress. The cowpea seedlings were exposed to drought stress at 17 days after germination using the weight of the pot and AAWEsmo device, developed in Julkowska Lab, Boyce Thompson Institute. The seedlings were kept at 60 and 10% of soil water holding capacity for 2 weeks and the data on cowpea shoot size, evapotranspiration and photosystem II efficiency was collected. </p> <p>This dataset represents the images collected for Screen number 01 and day 4 after drought stress application. </p>
Cowpea drought stress application at early vegetative stage 2022 - screen 01 - day 10 - raw image data
<p>Cowpea (<em>Vigna unguiculata</em>) miniCore accessions were screened for responses to drought stress at early vegetative stress. The cowpea seedlings were exposed to drought stress at 17 days after germination using the weight of the pot and AAWEsmo device, developed in Julkowska Lab, Boyce Thompson Institute. The seedlings were kept at 60 and 10% of soil water holding capacity for 2 weeks and the data on cowpea shoot size, evapotranspiration and photosystem II efficiency was collected. </p> <p>This dataset represents the images collected for Screen number 01 and day 10 after drought stress application. </p>
Cowpea drought stress application at early vegetative stage 2022 - screen 01 - day 02 - raw image data
<p>Cowpea (<em>Vigna unguiculata</em>) miniCore accessions were screened for responses to drought stress at early vegetative stress. The cowpea seedlings were exposed to drought stress at 17 days after germination using the weight of the pot and AAWEsmo device, developed in Julkowska Lab, Boyce Thompson Institute. The seedlings were kept at 60 and 10% of soil water holding capacity for 2 weeks and the data on cowpea shoot size, evapotranspiration and photosystem II efficiency was collected. </p> <p>This dataset represents the images collected for Screen number 01 and day 2 after drought stress application. </p>
Cowpea drought stress application at early vegetative stage 2022 - screen 02 - day 02 - raw image data
<p>Cowpea (<em>Vigna unguiculata</em>) miniCore accessions were screened for responses to drought stress at early vegetative stress. The cowpea seedlings were exposed to drought stress at 17 days after germination using the weight of the pot and AAWEsmo device, developed in Julkowska Lab, Boyce Thompson Institute. The seedlings were kept at 60 and 10% of soil water holding capacity for 2 weeks and the data on cowpea shoot size, evapotranspiration and photosystem II efficiency was collected. </p> <p>This dataset represents the images collected for Screen number 02 and day 02 after drought stress application. </p>
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