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Potential of Silica Nanoparticle Derived from Rice Husk toward<br />

Resistant against Podosphaera xanthii on Cucurbit.<br />

Mohammad Khairulanwar Bin Mazlan<br />

Supervisor: Dr. Ng Lee Chuen<br />

Bachelor of Science Agrotechnology (Crop Science)<br />

School of Food Science and Technology<br />

Silica nanoparticles (SNP) are frequently use in technological applications like<br />

drug delivery and adsorption. However, application of SNP in powdery mildew<br />

management on cucurbit is still unexplored especially those derived from agro<br />

waste. The objectives of this study are to derive SNP from rice husk by using<br />

slow gelation with freeze drying method and to evaluate their bio-efficacy to<br />

inhibit powdery mildew on Melon Manis Terengganu (MMT). This experiment<br />

expected the produced SNP derived from rice husk with high bio-efficacy will<br />

reduce the disease severity of powdery mildew on MMT. The powdery mildew<br />

disease severity and disease incident will be determined after P. xanthii<br />

inoculation on SNP treated and untreated MMT. Besides, the growth parameters<br />

such as plant height, number of leaves, area of leaves, fresh and dry weight,<br />

and silica and chlorophyll content will also be determined at harvest.<br />

1099 | UMT UNDERGRADUATE RESEARCH DAY 2018

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