Biocontrol and growth-promoting potential of Bacillus cereus TuR6 against rhizome rot disease in turmeric (Curcuma longa L.)

Do, Quang Trung (avtor), Nguyen, Trong Tri (avtor), Dinh, Mai Van (avtor), Nguyen, Manh Ha (avtor), Bui, Xuan Dong (avtor)

Rhizome rot disease caused by Fusarium solani severely limits turmeric (Curcuma longa L.) productivity. This study aimed to isolate endophytic bacterial strains from turmeric roots and screen them for plant growth-promoting (PGP) traits and antifungal activity. Among 10 isolates, strain TuR6, identified as Bacillus cereus (98.68% similarity, GenBank accession: PV565573), showed the highest IAA production (75.41 mg/L), strong phosphate solubilization (PSI 5.32), and positive siderophore, protease, and cellulase activities. TuR6 inhibited F. solani growth by 78.12% in vitro. In greenhouse trials, TuR6 significantly increased plant height (80.57 cm), rhizome yield (371 g/plant), and reduced disease incidence (17.7%). Field experiments confirmed its efficacy, with notable growth and disease suppression improvements under natural conditions. These results highlight B. cereus TuR6 as a potential bioinoculant for enhancing turmeric yield and managing rhizome rot sustainably.

• Jezik: Angleški jezik
• Ključne besede: endophytic bacteria, plant growth-promoting bacteria, biocontrol, turmeric roots, biofertilizer
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: BF - Biotehniška fakulteta
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2026
• Št. strani: 9 str.
• Številčenje: Vol. 122, no. 1
• PID: 20.500.12556/RUL-180474
• UDK: 632
• ISSN pri članku: 1854-1941
• DOI: 10.14720/aas.2026.122.1.22954
• COBISS.SI-ID: 271100675
• Datum objave v RUL: 10.03.2026

Gradivo je del revije

• Naslov: Acta agriculturae Slovenica
• Založnik: Biotehniška fakulteta, Oddelek za agronomijo in Oddelek za zootehniko, Biotehniška fakulteta, Oddelek za agronomijo in Oddelek za zootehniko, Univerza v Ljubljani, Biotehniška fakulteta, Založba Univerze v Ljubljani
• ISSN: 1854-1941
• COBISS.SI-ID: 219581184

Licence

• Licenca: CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
• Povezava: http://creativecommons.org/licenses/by/4.0/deed.sl
• Opis: To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

• Jezik: Slovenski jezik
• Naslov: Biokontrola in potencial spodbujanja rasti bakterije Bacillus cereus TuR6 proti gnilobi korenike pri kurkumi (Curcuma longa L.)
• Ključne besede: endofitne bakterije, bakterije, ki pospešujejo rast rastlin, biotično varstvo rastlin, korenine kurkume, biognojilo