Effects of nano silicon fertilizer on the lodging resistance characteristics of wheat basal second stem node

Author:

Yang Min,Chen Shuang,Chao Kui,Ji Cexun,Shi Yan

Abstract

AbstractThe application of nano fertilizers is one of the hotspots in current agricultural production. In this study, nano silicon materials were mixed with compound fertilizers to make nano silicon fertilizer. The effects of different amounts of nano silicon application on the breaking-resistance strength, lodging-resistance index, lignin accumulation, lignin synthesis related enzymes, and the relative expression of lignin synthesis related genes in the second stem node of wheat were mainly studied. Four treatments were set up: CK (750 kg·ha−1 compound fertilizer), T1 (750 kg·ha−1 compound fertilizer + 0.9 kg·ha−1 nano silicon), T2 (750 kg·ha−1 compound fertilizer + 1.8 kg·ha−1 nano silicon), T3 (750 kg·ha−1 compound fertilizer + 2.7 kg·ha−1 nano silicon). The results of the two-year experiment showed that the breaking-resistance strength, lodging-resistance index, lignin accumulation in the second stem node of wheat treated with nano silicon fertilizer were higher than CK. In the first year of the experiment, the lignin accumulation of T2 was 130.73%, 5.14% and 7.25% higher than that of CK, T1 and T3 respectively at the maturity stage. In the second year of the experiment, the lignin accumulation of T2 was 20.33%, 11.19% and 9.89% higher than that of CK, T1 and T3 respectively at the maturity stage. And the activities of PAL, 4CL, CAD, and related gene expression levels were also higher than CK. And among them, T2 performed the best, indicating that the application of nano silicon fertilizer is beneficial for improving the lodging resistance of wheat stems and is of great significance for improving the quality of wheat.

Funder

Shandong Modern Agricultural Technology & Industry System

Agricultural Major Technology Collaborative Promotion Plan Project in Shandong Province

Publisher

Springer Science and Business Media LLC

Subject

Plant Science

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