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Chitosan-Enclosed Menadione Sodium Bisulfite as an Environmentally Friendly Alternative to Enhance Biostimulant Properties against Drought

Biostimulants are an interesting strategy to increase crop tolerance to water deficits, and there is an extensive bibliography on them. However, most of them need to be treated continuously to increase protection throughout the growth cycle. In this context, we chose menadione sodium bisulfite, whose protective effect against water deficit has been previously demonstrated but only for a short period of time. Nanoencapsulation seems to be an interesting way to improve the properties of biostimulants. Our results show that menadione sodium bisulfite (MSB) encapsulated in chitosan/tripolyphosphate nanoparticles can increase the system's tolerance against an imposed water deficit and delay the need for retreatment by at least 1 week, accelerating plant recovery after rehydration. This highlights the positive properties of nanoencapsulation and shows how a simple encapsulation process can significantly improve the biostimulant protective properties, opening up new possibilities to be explored under field conditions to cope with water-deficit stress.

 

Comments：

It's fascinating to hear about your research on the use of menadione sodium bisulfite (MSB) and nanoencapsulation to increase crop tolerance to water deficits. It's true that biostimulants have been shown to be effective in improving crop performance under stress conditions, and the use of nanotechnology to improve their properties is a promising approach.

Your findings are particularly interesting as they demonstrate that encapsulating MSB in chitosan/tripolyphosphate nanoparticles can enhance its protective properties against water deficit stress and prolong its efficacy, reducing the need for continuous retreatment. This could have important implications for farmers and growers, as it could potentially reduce the cost and labor associated with biostimulant application.

Moreover, your research highlights the potential of nanoencapsulation as a simple yet effective way to improve the efficacy of biostimulants and enhance their performance under field conditions. This opens up new possibilities for exploring the use of nanotechnology in agriculture and could ultimately contribute to more sustainable and efficient crop production systems.

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