Foliar Application of CeO2 Nanoparticles Alters Generative Components Fitness and Seed Productivity in Bean Crop (Phaseolus vulgaris L.).

ABSTRACT: In the era of technology, nanotechnology has been introduced as a new window for agriculture. However, no attention has been paid to the effect of cerium dioxide nanoparticles (nCeO2) on the reproductive stage of plant development to evaluate their toxicity and safety. To address this important topic, bean plants (Phaseolus vulgaris L.) treated aerially with nCeO2 suspension at 250-2000 mg L-1 were cultivated until flowering and seed production in the greenhouse condition. Microscopy analysis was carried out on sectioned anthers and ovules at different developmental stages. The pollen's mother cell development in nCeO2 treatments was normal at early stages, the same as control plants. However, the results indicated that pollen grains underwent serious structural damages, including chromoso

SUBMITTER: Salehi H 

PROVIDER: S-EPMC8065513 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature