PJB-2023-238
EFFECTS OF MESOPOROUS SILICA (MCM) ON PHOTOSYNTHESIS AND YIELD AND QUALITY FORMATION OF WHEAT DURING FILLING STAGE UNDER DROUGHT CONDITIONS
WANG-YAN-JING
Abstract
Drought is one of the major disasters affecting wheat production. Research on drought resistance induced by nanomaterials is of great significance not only for global food supply, but also for efficient utilization of resources. In this study, leaf spraying Mesoporous silica (MCM) at flowering stage was used to investigate the effects of MCM on photosynthesis and nitrogen utilization as well as the formation of final yield and quality during wheat filling. The results showed that MCM could effectively increase the photosynthetic pigment content and nitrogen utilization of wheat, improve grain yield and grain protein accumulation in wheat at the later stage of grain filling, and preliminarily proved that the effects of silicon on wheat drought resistance were affected by soil moisture content and dosage, which provided theoretical and technical support for the large-scale application of MCM in wheat production in the next stage.
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