دورية أكاديمية
Phenotypic Plasticity Index as a Strategy for Selecting Water-Stress-Adapted Coffee Genotypes.
| العنوان: | Phenotypic Plasticity Index as a Strategy for Selecting Water-Stress-Adapted Coffee Genotypes. |
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| المؤلفون: | Dos Santos CS; Southern Minas Regional Unit, Agricultural Research Corporation of Minas Gerais (Epamig), Lavras 37200-900, MG, Brazil., de Freitas AF; Pitangui Institute of Agricultural Technology (Itap), Pitangui 36650-000, MG, Brazil., da Silva GHB; Department of Food Science, Universidade Federal de Lavras, Lavras 37200-900, MG, Brazil., Pennacchi JP; Department of Biology, Universidade Federal de Lavras, Lavras 37200-900, MG, Brazil., Figueiredo de Carvalho MA; Brazilian Agricultural Research Corporation (Embrapa Cafe), Brasilia 70770-901, DF, Brazil., Santos MO; Southern Minas Regional Unit, Agricultural Research Corporation of Minas Gerais (Epamig), Lavras 37200-900, MG, Brazil., Junqueira de Moraes TS; Southern Minas Regional Unit, Agricultural Research Corporation of Minas Gerais (Epamig), Lavras 37200-900, MG, Brazil., de Rezende Abrahão JC; Southern Minas Regional Unit, Agricultural Research Corporation of Minas Gerais (Epamig), Lavras 37200-900, MG, Brazil., Pereira AA; Southern Minas Regional Unit, Agricultural Research Corporation of Minas Gerais (Epamig), Lavras 37200-900, MG, Brazil., Carvalho GR; Southern Minas Regional Unit, Agricultural Research Corporation of Minas Gerais (Epamig), Lavras 37200-900, MG, Brazil., Botelho CE; Southern Minas Regional Unit, Agricultural Research Corporation of Minas Gerais (Epamig), Lavras 37200-900, MG, Brazil., Silva VA; Southern Minas Regional Unit, Agricultural Research Corporation of Minas Gerais (Epamig), Lavras 37200-900, MG, Brazil. |
| المصدر: | Plants (Basel, Switzerland) [Plants (Basel)] 2023 Nov 30; Vol. 12 (23). Date of Electronic Publication: 2023 Nov 30. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: MDPI AG Country of Publication: Switzerland NLM ID: 101596181 Publication Model: Electronic Cited Medium: Print ISSN: 2223-7747 (Print) Linking ISSN: 22237747 NLM ISO Abbreviation: Plants (Basel) Subsets: PubMed not MEDLINE |
| أسماء مطبوعة: | Original Publication: Basel, Switzerland : MDPI AG, [2012]- |
| مستخلص: | The adaptive potential of plants is commonly used as an indicator of genotypes with higher breeding program potential. However, the complexity and interaction of plant metabolic parameters pose a challenge to selection strategies. In this context, this study aimed to explore phenotypic plasticity within the germplasm of Hybrid Timor coffee. Additionally, we assessed the utility of the multivariate phenotypic plasticity index (MVPi) as a promising tool to predict genotype performance across diverse climatic conditions. To achieve this, we evaluated the performance of seven accessions from the Hybrid Timor germplasm in comparison to the Rubi and IPR 100 cultivars, known for their susceptibility and resistance to drought, respectively. The experiment took place in a greenhouse under two conditions: one with normal soil moisture levels near maximum capacity, and the other with a water deficit scenario involving a period of no irrigation followed by rehydration. Data on physiological and biochemical factors were collected at three stages: before applying the water deficit, during its imposition, and after rehydration. Growth data were obtained by the difference between the beginning and end of the experimental period Furthermore, field evaluations of the productivity of the same genotypes were carried out over two consecutive seasons. Based on physiological and biochemical assessments, the MVPi was computed, employing Euclidean distance between principal component multivariate analysis scores. Subsequently, this index was correlated with growth and productivity data through linear regressions. Our findings reveal that the plastic genotypes that are capable of significantly altering physiological and biochemical parameters in response to environmental stimuli exhibited reduced biomass loss in both aerial and root parts. As a result, this positively influenced their productivity. Enhanced plasticity was particularly prominent in accessions from the MG Germplasm Collection: MG 311-Hybrid Timor UFV 428-02, MG 270-Hybrid Timor UFV 377-21, and MG 279-Hybrid Timor UFV 376-31, alongside the Rubi MG 1192 cultivar. The MVPi emerged as a valuable instrument to assess genotype adaptability and predict their performance under varying climatic scenarios. |
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| معلومات مُعتمدة: | 1 United States CX CSRD VA |
| فهرسة مساهمة: | Keywords: Coffea arabica L.; adaptive strategy; genotypic selection; phenotypic plasticity; physiological breeding; water stress |
| تواريخ الأحداث: | Date Created: 20231209 Latest Revision: 20231209 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC10708338 |
| DOI: | 10.3390/plants12234029 |
| PMID: | 38068664 |
| قاعدة البيانات: | MEDLINE |
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