{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T12:12:06Z","timestamp":1790079126054,"version":"4.0.1"},"reference-count":50,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T00:00:00Z","timestamp":1788480000000},"content-version":"vor","delay-in-days":3,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["bsapubs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["American J of Botany"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Premise<\/jats:title>\n                    <jats:p>In semiarid ecosystems such as the Brazilian Caatinga, physical seed dormancy (PY) is critical for plant persistence when water is unpredictable, but how soil moisture and temperature regulate PY release and seed longevity in species of native Fabaceae that have different growth forms is unknown.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Seeds of the herbaceous species\n                      <jats:italic>Centrosema pascuorum<\/jats:italic>\n                      and\n                      <jats:italic>Crotalaria retusa<\/jats:italic>\n                      and tree species\u00a0\n                      <jats:italic>Mimosa ophthalmocentra<\/jats:italic>\n                      ,\n                      <jats:italic>M. tenuiflora<\/jats:italic>\n                      , and\n                      <jats:italic>Piptadenia retusa<\/jats:italic>\n                      were collected in the Caatinga and tested in the field and laboratory to assess dormancy, viability, and germination. Seeds were either buried at the collection site and periodically exhumed over 15 months, or stored dry or with wet\u2013dry cycles at constant or fluctuating temperatures.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Seeds of herbaceous species had rapid PY release and seed depletion shortly after the onset of rainfall, leading to synchronized seedling emergence. Seeds of the trees\n                      <jats:italic>M. ophthalmocentra<\/jats:italic>\n                      and\n                      <jats:italic>M. tenuiflora<\/jats:italic>\n                      maintained high dormancy and viability, indicating strong potential for persistent soil seed banks, whereas seeds of\n                      <jats:italic>Piptadenia retusa<\/jats:italic>\n                      had low persistence due to rapid dormancy loss and high mortality. Across species, PY release was maximized under wet\u2013dry cycles at high temperatures, revealing a synergistic effect of moisture pulses and heat.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Temperature\u2013moisture interactions characteristic of the Caatinga control PY release and seed persistence, with growth form shaping contrasting regeneration strategies. The delayed release of PY in trees spreads germination over time, enhancing persistence under unpredictable rainfall. Early PY release in herbs optimizes exploitation of short favorable windows to complete their rapid life cycle.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ajb2.70254","type":"journal-article","created":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T11:00:32Z","timestamp":1788519632000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Humidity and temperature interact in breaking physical dormancy in Fabaceae seeds from the Brazilian semiarid region"],"prefix":"10.1002","volume":"113","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0390-377X","authenticated-orcid":false,"given":"Humberto Ara\u00fajo","family":"Almeida","sequence":"first","affiliation":[{"name":"Laborat\u00f3rio de Fisiologia Vegetal, Departamento de Bot\u00e2nica Universidade Federal de Minas Gerais Belo Horizonte 31270\u2010901 Minas Gerais Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7599-0983","authenticated-orcid":false,"given":"Jessyca Adelle","family":"Silva Santos","sequence":"additional","affiliation":[{"name":"Centro Nacional de Conserva\u00e7\u00e3o da Flora Instituto de Pesquisas Jardim Bot\u00e2nico do Rio de Janeiro Rio de Janeiro 22460\u2010030 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7137-788X","authenticated-orcid":false,"given":"Queila Souza","family":"Garcia","sequence":"additional","affiliation":[{"name":"Laborat\u00f3rio de Fisiologia Vegetal, Departamento de Bot\u00e2nica Universidade Federal de Minas Gerais Belo Horizonte 31270\u2010901 Minas Gerais Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,4]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/plb.13674"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1100\/2012\/205182"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1127\/0941-2948\/2013\/0507"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1442-1984.2000.00034.x"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-3180.1988.tb00821.x"},{"key":"e_1_2_9_7_1","volume-title":"Seeds: ecology, biogeography and evolution of dormancy and germination","author":"Baskin C. 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