Improving productive efficiency of cucumber under greenhouse cultivation by grafting and bee pollination

Chen, W.-L.; Chien, C.-S.

doi:10.17660/actahortic.2019.1257.27

Cited by 1 publication

(1 citation statement)

References 18 publications

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“…Soilborne plant diseases represent a challenge to the cultivation and production of vegetable crops in Oman. In cucumber, damping-off is a serious problem in the USA, Canada, China, the Middle East, and other parts of the world [2][3][4][5][6][7][8]. In Oman, damping-off and decline diseases have been reported to occur in 77% of greenhouses and farms in the Al-Batinah regions and cause up to 100% losses in cucumbers and melons [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Plant-Disease-Suppressive and Growth-Promoting Activities of Endophytic and Rhizobacterial Isolates Associated with Citrullus colocynthis

Al-Shuaibi,

Kazerooni,

Hussain

et al. 2023

Pathogens

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This study was conducted to investigate the antagonistic potential of endophytic and rhizospheric bacterial isolates obtained from Citrullus colocynthis in suppressing Fusarium solani and Pythium aphanidermatum and promoting the growth of cucumber. Molecular identification of bacterial strains associated with C. colocynthis confirmed that these strains belong to the Achromobacter, Pantoea, Pseudomonas, Rhizobium, Sphingobacterium, Bacillus, Sinorhizobium, Staphylococcus, Cupriavidus, and Exiguobacterium genera. A dual culture assay showed that nine of the bacterial strains exhibited antifungal activity, four of which were effective against both pathogens. Strains B27 (Pantoea dispersa) and B28 (Exiguobacterium indicum) caused the highest percentage of inhibition towards F. solani (48.5% and 48.1%, respectively). P. aphanidermatum growth was impeded by the B21 (Bacillus cereus, 44.7%) and B28 (Exiguobacterium indicum, 51.1%) strains. Scanning electron microscopy showed that the strains caused abnormality in phytopathogens’ mycelia. All of the selected bacterial strains showed good IAA production (>500 ppm). A paper towel experiment demonstrated that these strains improved the seed germination, root/shoot growth, and vigor index of cucumber seedlings. Our findings suggest that the bacterial strains from C. colocynthis are suppressive to F. solani and P. aphanidermatum and can promote cucumber growth. This appears to be the first study to report the efficacy of these bacterial strains from C. colocynthis against F. solani and P. aphanidermatum.

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