DETECTION OF PYROQUILON IN RICE PLANTS AFTER SOIL TREATMENT AND ITS RELATION TO RICE BLAST CONTROL

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JAMALI ZAVAREH A.H.; SHARIFI TEHRANI A.; IZADYAR MINA; TAHERI E.

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Journal: Journal of Water and Soil Science Year:2004 | Volume:8 | Issue:1 Page(s): 212-212

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Title

DETECTION OF PYROQUILON IN RICE PLANTS AFTER SOIL TREATMENT AND ITS RELATION TO RICE BLAST CONTROL

Author(s)

JAMALI ZAVAREH A.H. | SHARIFI TEHRANI A. | IZADYAR MINA | TAHERI E. | Issue Writer Certificate

Keywords

RICE BLASTQ4

PYROQUILONQ4

SYSTEMIC PROPERTIESQ4

DETECTIONQ3

Abstract

Systemic properties of PYROQUILON, an anti-blast systemic chemical, used in controlling RICE BLAST disease caused by Pyricularica grisea, were investigated through in vivo tests. Rice plants were treated with PYROQUILON as granules in soil. Leaf and stem tissues were collected at different times after treatment and PYROQUILON was extracted from tissues and detected by gas chromatography. Treated rice plants were also exposed to disease infection in blast nursery at different times and disease incidence was evaluated one week later. PYROQUILON was detected in leaf tissue one day after treatment (DAT), reached maximum during 4-7 DAT, and then reduced gradually to a no detectable level after 28 DAT. In stem tissue, change in PYROQUILON content was similar to but its quantity was less than that of leaf tissue. On inoculated plants, disease was controlled up to 60% at 2 DAT and completely controlled during 4-28 DAT. The results indicated that PYROQUILON could be taken up and systemically translocated in rice plants after applying as granules in soil. Extent of disease control was a good function of PYROQUILON content in leaf tissue (R^2=0.93) and 2 ppm of compound in leaf could provide 90% control of the disease. In contrast, disease control was not a good function of PYROQUILON content in stem tissue (R^2=0.30).

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APA: Copy

JAMALI ZAVAREH, A.H., SHARIFI TEHRANI, A., IZADYAR, MINA, & TAHERI, E.. (2004). DETECTION OF PYROQUILON IN RICE PLANTS AFTER SOIL TREATMENT AND ITS RELATION TO RICE BLAST CONTROL. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 8(1), 212-212. SID. https://sid.ir/paper/14612/en

Vancouver: Copy

JAMALI ZAVAREH A.H., SHARIFI TEHRANI A., IZADYAR MINA, TAHERI E.. DETECTION OF PYROQUILON IN RICE PLANTS AFTER SOIL TREATMENT AND ITS RELATION TO RICE BLAST CONTROL. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2004;8(1):212-212. Available from: https://sid.ir/paper/14612/en

IEEE: Copy

A.H. JAMALI ZAVAREH, A. SHARIFI TEHRANI, MINA IZADYAR, and E. TAHERI, “DETECTION OF PYROQUILON IN RICE PLANTS AFTER SOIL TREATMENT AND ITS RELATION TO RICE BLAST CONTROL,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 8, no. 1, pp. 212–212, 2004, [Online]. Available: https://sid.ir/paper/14612/en

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