Promoting Potato Seed Sprouting Using an Amphiphilic Nanocomposite

Area of Science:

• Agricultural Science
• Materials Science
• Soil Science

Background:

• Potato seed tubers exhibit slow sprouting, limiting agricultural productivity.
• Optimizing soil conditions and tuber surface properties is crucial for efficient potato propagation.

Purpose of the Study:

• To develop and evaluate a nano presprouting agent (NPA) for accelerating potato tuber sprouting.
• To assess the impact of NPA on soil properties, earthworm activity, and potato yield.
• To determine the biosafety of the NPA for non-target organisms.

Main Methods:

• Fabrication of an amphiphilic nanocomposite using hydrophobic silica (H-SiO2) within hydrophilic attapulgite.
• Application of the NPA to potato tubers to adjust the water and air occupation area ratio (OARWA).
• Evaluation of soil bulk density, earthworm growth, potato growth, yield, and biosafety (fish, nematodes).

Main Results:

• NPA effectively adjusted OARWA, significantly accelerating potato sprouting.
• NPA application reduced soil bulk density and promoted earthworm and potato growth.
• Potato yield increased by 14.1% with no observed penetration of NPA into the tuber skin.
• NPA demonstrated minimal impact on fish and nematode viability, indicating good biosafety.

Conclusions:

• The developed NPA is a promising technology for enhancing potato production through accelerated sprouting.
• NPA offers a sustainable approach to improving crop yield and soil health.
• The biosafety profile suggests potential for widespread application in agriculture and food supply assurance.