Phytotoxic Effects of Ethanolic Extracts of Magonia pubescens A.St.‐Hil. (Sapindaceae) on the Germination of Emilia sonchifolia (L.) DC. Seeds
José Jonas Ferreira Viturino, Joice Barbosa do Nascimento, Debora Odilia Duarte Leite, Maria Eloyse de Melo Sousa, Jociany Carlos Caetano, Francisca Adriana Gomes dos Santos, Maria Arlene Pessoa da Silva, José Galberto Martins da Costa, Fabíola Fernandes Galvão Rodrigues, Raimundo Nonato Pereira Tei · 2026
Read Phytotoxic Effects of Ethanolic Extracts of Magonia pubescens A.St.‐Hil. (Sapindaceae) on the Germination of Emilia sonchifolia (L.) DC. Seeds by José Jonas Ferreira Viturino, Joice Barbosa do Nascimento, Debora Odilia Duarte Leite, Maria Eloyse de Melo Sousa, Jociany Carlos Caetano, Francisca Adriana Gomes dos Santos, Maria Arlene Pessoa da Silva, José Galberto Martins da Costa, Fabíola Fernandes Galvão Rodrigues, Raimundo Nonato Pereira Tei (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13551150.txt.
Description
Viturino and co-authors test plant extracts that can poison or perk up weed seeds. Their 2026 paper studies a South American tree, Magonia pubescens, against the weed Emilia sonchifolia. Extracts came from leaves, stem bark, and fruit skin. Chemical scans found caffeic acid in all three, plus two kin acids in bark and fruit.
Effects swung with dose. The leaf extract cut germination to thirty-three percent at top strength, beating a standard herbicide. High doses slowed sprouting and stunted root and shoot growth. Low doses did the reverse; one bark mix hit eighty-two percent germination. The authors see a dual-use source: a natural weed killer at high dose, a seed booster at low dose.
Catalog record
| CREATOR | José Jonas Ferreira Viturino, Joice Barbosa do Nascimento, Debora Odilia Duarte Leite, Maria Eloyse de Melo Sousa, Jociany Carlos Caetano, Francisca Adriana Gomes dos Santos, Maria Arlene Pessoa da Silva, José Galberto Martins da Costa, Fabíola Fernandes Galvão Rodrigues, Raimundo Nonato Pereira Tei |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 36 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |