RECIPROCAL EFFECTS OF SILICON AND PHOSPHORUS UTILIZATION ON BLAST DISEASE INCIDENCE IN RICE TAROM CULTIVAR

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GHASEMI LEMRASKY M.; ALAVI S.V.; GHANBARI MALIDARREH A.

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Journal: CROP PRODUCTION IN ENVIRONMENTAL STRESS Year:2011 | Volume:2 | Issue:3-4 (SERIAL 5) Page(s): 143-157

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Title

RECIPROCAL EFFECTS OF SILICON AND PHOSPHORUS UTILIZATION ON BLAST DISEASE INCIDENCE IN RICE TAROM CULTIVAR

Author(s)

GHASEMI LEMRASKY M. | ALAVI S.V. | GHANBARI MALIDARREH A. | Issue Writer Certificate

Keywords

RICEQ2

SILICONQ2

PHOSPHORUSQ2

LEAF BLASTQ3

NECK BLASTQ3

Abstract

In order to evaluate the effect of SILICON and PHOSPHORUS applications on disease severity of RICE blast, a field experiment was carried out in 2009 in a factorial experiment based on the complete randomized blocks design with four replications in Sari. The pure PHOSPHORUS was applied in three levels (0, 50 and 100 kg/ha) as (P2O5) and pure SILICON was applied in three levels (0, 500 and 1000 kg/ha). As (Ca SiO2). There was a significant difference in seed yield in 5% probability and the highest grain yield obtained by application of 1000 kg/ha Si and was 3849.5 kg/ha. There was significant difference in LEAF BLAST at 5% probability whereas that the lowest LEAF BLAST severity by application of 1000 kg/ha Si, leaded to reduction the disease severity up to 10% in comparison to the control. This amount of using Si reduced significantly the average of lesion diameter (10/48mm) in comparison to the control without using Si, too. The various rates of P, did not affect significantly on the percentages of leaf, neck, nod, and grain blast and also on the average of lesion diameters. The rates of Si did not affect on the number of infected nod, neck and grain. Based on the interaction effects of P and Si, applying 1000 kg/ha Si without P lead to reduction significantly the average diameter of blast lesion. In the rate of 100 kg/ha P and 1000 kg/ha Si in comparison without using Si, there was significant difference in the percentage of LEAF BLAST. So, we can find that in contrast to using Si lonely, using Si and P together cannot affect significantly in different treats of RICE blast.

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APA: Copy

GHASEMI LEMRASKY, M., ALAVI, S.V., & GHANBARI MALIDARREH, A.. (2011). RECIPROCAL EFFECTS OF SILICON AND PHOSPHORUS UTILIZATION ON BLAST DISEASE INCIDENCE IN RICE TAROM CULTIVAR. CROP PRODUCTION IN ENVIRONMENTAL STRESS, 2(3-4 (SERIAL 5)), 143-157. SID. https://sid.ir/paper/232064/en

Vancouver: Copy

GHASEMI LEMRASKY M., ALAVI S.V., GHANBARI MALIDARREH A.. RECIPROCAL EFFECTS OF SILICON AND PHOSPHORUS UTILIZATION ON BLAST DISEASE INCIDENCE IN RICE TAROM CULTIVAR. CROP PRODUCTION IN ENVIRONMENTAL STRESS[Internet]. 2011;2(3-4 (SERIAL 5)):143-157. Available from: https://sid.ir/paper/232064/en

IEEE: Copy

M. GHASEMI LEMRASKY, S.V. ALAVI, and A. GHANBARI MALIDARREH, “RECIPROCAL EFFECTS OF SILICON AND PHOSPHORUS UTILIZATION ON BLAST DISEASE INCIDENCE IN RICE TAROM CULTIVAR,” CROP PRODUCTION IN ENVIRONMENTAL STRESS, vol. 2, no. 3-4 (SERIAL 5), pp. 143–157, 2011, [Online]. Available: https://sid.ir/paper/232064/en

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