Role of Rice Straw Compost and Potassium in Controlling Blast Disease of Paddy Rice in South Sulawesi, Indonesia

Authors

  • Abdul Syukur Syarif Institute for Agricultural Technology of South Sulawesi, Makassar, Indonesia
  • Suryo Wiyono Department of Plant Protection, Bogor Agricultural University, Bogor, Indonesia
  • Bonny P.W. Sukarno Department of Plant Protection, Bogor Agricultural University, Bogor, Indonesia
  • Bambang S. Purwoko Department of Agronomy and Horticulture, Bogor Agricultural University, Bogor, Indonesia

Keywords:

blast disease, paddy rice, potassium, rice straw compost.

Abstract

This research was aimed to evaluate the use of rice straw compost and potassium in controlling blast disease and increasing the yield of paddy rice in South Sulawesi. The experiment was conducted in endemic areas of blast disease, i.e. in Bantimurung Maros District of South Sulawesi province. The experiment was arranged using a randomized complete block design with two factors, i.e. application of rice straw compost and application of fertilizer KCl.   Application of rice straw compost consisted of three levels: (J0) = 0 ton ha-1, (J1) = 5 tons ha-1, (J2) = 10 tons ha-1. Application of KCl fertilizer consisted of four levels: (K0) = 0 kg ha-1, (K1) = 50 kg ha-1, (K2) = 75 kg ha-1, (K3) = 100 kg ha-1. Thus there were 12 treatments and each treatment was performed in four replications. Results showed that the application of 10 tons of rice straw compost ha-1 and 100 kg ha-1 of potassium was the optimum dose in the control of leaf blast and neck blast disease by 16.83% and 23.92%, respectively. However, the trend in the application of 5 tons of compost of rice straw ha-1 and potassium 50 kg ha-1 is a dose sufficient to control the leaf blast and neck blast disease.  The decrease of leaf blast and neck blast disease occurred in the treatment of 5 tons of ha-1 and 10 tons of ha-1 of rice straw compost. The decrease in leaf blast and neck blast disease occurred along with the addition of potassium fertilization dose.

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Published

2017-10-24

How to Cite

Syarif, A. S., Wiyono, S., P.W. Sukarno, B., & S. Purwoko, B. (2017). Role of Rice Straw Compost and Potassium in Controlling Blast Disease of Paddy Rice in South Sulawesi, Indonesia. International Journal of Sciences: Basic and Applied Research (IJSBAR), 36(4), 244–254. Retrieved from https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8263

Issue

Vol. 36 No. 4 (2017)

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