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Effect of silicon on rice blast disease


Citation

Ashtiani, Farnaz Abed and Kadir, Jugah and Nasehi, Abbas and Hashemian Rahaghi, Seyed Reza and Sajili, Mohammad Hailmi (2012) Effect of silicon on rice blast disease. Pertanika Journal of Tropical Agricultural Science, 35 (S). pp. 1-12. ISSN 1511-3701; ESSN: 2231-8542

Abstract / Synopsis

Silicon is the second most plentiful element in soil and is beneficial for a large variety of plants. It is concentrated in plant tissues in quantities similar to that of macronutrients. Considerable damages to plants caused by abiotic stresses such as drought stress, salinity stress, heavy metal stress and nutrient imbalance, as well as biotic stresses like insect pests and pathogens and even herbivorous attacks, have been reported to be reduced significantly by silicon application. Among rice diseases, blast is recognized as the most devastating one. Silicon fertilization has been reported to be efficacious in controlling and mitigating rice blast severity. Two different hypotheses are proposed for the ability of silicon to lessen disease severity. The first hypothesis emphasizes on silicon function as a mechanical barrier against appressorial penetration, while the second hypothesis is based upon the belief that silicon has some physiological roles in disease resistance.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Publisher: Universiti Putra Malaysia Press
Notes: Review article
Keywords: Silicon; Rice; Magnaporthe oryzae; Blast
Depositing User: Muizzudin Kaspol
Date Deposited: 24 Nov 2015 04:58
Last Modified: 24 Nov 2015 05:46
URI: http://psasir.upm.edu.my/id/eprint/18785
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