EFFECT OF PLANTING DATE AND SEED-TREATMENT ON THE YEILD COMPONENT AND CONTROL OF YELLOW DWARF DISEASE IN WINTER BARLEY IN SHAHREKORD

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SAHRAGARD N.; IZADPANAH K.A.; MASOUMI MAHMOUD; AFSHARIFAR A.R.

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Journal: IRANIAN JOURNAL OF PLANT PATHOLOGY Year:2006 | Volume:42 | Issue:2 (166) Page(s): 275-291

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Title

EFFECT OF PLANTING DATE AND SEED-TREATMENT ON THE YEILD COMPONENT AND CONTROL OF YELLOW DWARF DISEASE IN WINTER BARLEY IN SHAHREKORD

Author(s)

SAHRAGARD N. | IZADPANAH K.A. | MASOUMI MAHMOUD | AFSHARIFAR A.R. | Issue Writer Certificate

Keywords

HORDEUM VULGAREQ3

IMIDACLOPRIDQ3

PLANTING DATEQ3

SEED-TREATMENTQ2

SHAHREKORDQ3

YELLOW DWARFQ3

Abstract

Field studies were conducted in Shahre kord region, in three growing seasons from 2001 through 2004, to evaluate the effect of PLANTING DATE, with and without a seed- treatment insecticide (Imidac1oprid: (1-(6-chloro- pyridin- 3- ylmethyl) -N- nitromidazolidin- 2- ylideneamine), on grain yield and yield components of winter barley (HORDEUM VULGARE L.) ZaJjo cultivar. The experimental design was a split plot arrangement of a randomized complete block with four replications. Main plots consisted of five PLANTING DATEs, approximately 15 days apart from 22 September through 21 November. Sub plots consisted of a SEED-TREATMENT systemic insecticide application. In each of the 3 years, grain yields of plots planted in 22 September were reduced significantly by YD infection. PLANTING DATEs of 22 October and 6 November resulted in the highest grain yields and yield components in 3 years. Grain yield and yield component responses to SEED-TREATMENT insecticide, depended on PLANTING DATEs, but significant yield increase (up to 377%) occurred in plots planted on 22 September compared to plots without SEED-TREATMENT. The plots of PLANTING DATE 22 October with SEED-TREATMENT resulted in the highest grain yield and yield components and reduction of barley YELLOW DWARF disease in three years. Samples of plants from plots were tested for presence of BYDV and CYDV serotypes by tissue print immunoassay method. Infection by PAV, MAV and RPV serotypes was confirmed. Frequency of PAV, MAV and RPV serotypes were studied. The results showed 36.8% of samples infected with PAY, MAY or RPV serotypes; however PAV was the dominant serotype Mixed infections with more than one serotype was also observed. In most cases samples were co-infected with PAV and RPV.

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APA: Copy

SAHRAGARD, N., IZADPANAH, K.A., MASOUMI, MAHMOUD, & AFSHARIFAR, A.R.. (2006). EFFECT OF PLANTING DATE AND SEED-TREATMENT ON THE YEILD COMPONENT AND CONTROL OF YELLOW DWARF DISEASE IN WINTER BARLEY IN SHAHREKORD. IRANIAN JOURNAL OF PLANT PATHOLOGY, 42(2 (166)), 275-291. SID. https://sid.ir/paper/48124/en

Vancouver: Copy

SAHRAGARD N., IZADPANAH K.A., MASOUMI MAHMOUD, AFSHARIFAR A.R.. EFFECT OF PLANTING DATE AND SEED-TREATMENT ON THE YEILD COMPONENT AND CONTROL OF YELLOW DWARF DISEASE IN WINTER BARLEY IN SHAHREKORD. IRANIAN JOURNAL OF PLANT PATHOLOGY[Internet]. 2006;42(2 (166)):275-291. Available from: https://sid.ir/paper/48124/en

IEEE: Copy

N. SAHRAGARD, K.A. IZADPANAH, MAHMOUD MASOUMI, and A.R. AFSHARIFAR, “EFFECT OF PLANTING DATE AND SEED-TREATMENT ON THE YEILD COMPONENT AND CONTROL OF YELLOW DWARF DISEASE IN WINTER BARLEY IN SHAHREKORD,” IRANIAN JOURNAL OF PLANT PATHOLOGY, vol. 42, no. 2 (166), pp. 275–291, 2006, [Online]. Available: https://sid.ir/paper/48124/en

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