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Fig. 7 | Journal of Nanobiotechnology

Fig. 7

From: Silica nanoparticles protect rice against biotic and abiotic stresses

Fig. 7

SiO2 NPs induced rice resistance to M. oryzae based on SA pathway. A Rice spraying assays. Rice leaves were pretreated with SiO2 NPs two hours before spraying M. oryzae conidial suspension (5 × 104 spores/mL) on both two-week old wild-type rice Nipponbare (NIP) and SA defective mutant (NIP-NahG). B and C Diseased leaf area and disease severity analysis. Lesion areas were analyzed by Image J. and disease severity was evaluated by quantifying M. oryzae genomic 28S rDNA relative to rice genomic Rubq1 DNA. D The SA concentration in rice leaves and roots were detected with the treatment of 100 mg/L foliar treatment and 3000 mg/L root treatment. Error bars represent SD. ** stands for significant difference P < 0. 01, * stands for significant difference P < 0.05

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