HISTOLOGICAL STUDY OF SUNFLOWER RUST AND IDENTIFICATION OF ITS RACE 31N MAZANDARAN AND GOLESTAN PROVINCES

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ABBAS S.; ALI ZADEH A.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF PLANT PATHOLOGY Year:2000 | Volume:36 | Issue:3-4 Page(s): 207-219

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Title

HISTOLOGICAL STUDY OF SUNFLOWER RUST AND IDENTIFICATION OF ITS RACE 31N MAZANDARAN AND GOLESTAN PROVINCES

Author(s)

ABBAS S. | ALI ZADEH A. | Issue Writer Certificate

Keywords

SUNFLOWER

RUST

PUCCINIA HELIANTHI

RACE

Abstract

In September 1996, various SUNFLOWER fields in Mazandaran and Golestan provinces were surveyed and 18 samples of diseased plants were collected from the area. Immediatly after transferring samples to the lab., seedlings of universally susceptible line, "S37-388" and widely grown cultivar, "Record" were inoculated with spores of each isolate for multiplication and purification purposes. To identify physiological RACEs of the pathogen, freshly harvested urediniospores of each isolate were inoculated on Canadian differential lines including S37-388 (with no known resitance gene), CM-90RR (with R1 resistance gene), 29-3 (with R2 resistance gene) and a single USA inbred line, HA-R5 (with R4 resistance gene) using dusting method (dispersed urediniospores in talcum powder). After 14 days reactions of differential lines were recorded according to Yang (1986)scale. The results showed that, RACE 3 was present in the region. Development process of the disease in the susceptible line S37-388 was also studied. Germination of spores was observed 2h after inoculation and reached a maximum in 8h. The first appressorium was formed by 6h after inoculation, the maximum was reached by 14h. The mean diameter of RUST colonies within the leaf 8 days after inoculation was approximathy 1000 µ.m.

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APA: Copy

ABBAS, S., & ALI ZADEH, A.. (2000). HISTOLOGICAL STUDY OF SUNFLOWER RUST AND IDENTIFICATION OF ITS RACE 31N MAZANDARAN AND GOLESTAN PROVINCES. IRANIAN JOURNAL OF PLANT PATHOLOGY, 36(3-4), 207-219. SID. https://sid.ir/paper/530431/en

Vancouver: Copy

ABBAS S., ALI ZADEH A.. HISTOLOGICAL STUDY OF SUNFLOWER RUST AND IDENTIFICATION OF ITS RACE 31N MAZANDARAN AND GOLESTAN PROVINCES. IRANIAN JOURNAL OF PLANT PATHOLOGY[Internet]. 2000;36(3-4):207-219. Available from: https://sid.ir/paper/530431/en

IEEE: Copy

S. ABBAS, and A. ALI ZADEH, “HISTOLOGICAL STUDY OF SUNFLOWER RUST AND IDENTIFICATION OF ITS RACE 31N MAZANDARAN AND GOLESTAN PROVINCES,” IRANIAN JOURNAL OF PLANT PATHOLOGY, vol. 36, no. 3-4, pp. 207–219, 2000, [Online]. Available: https://sid.ir/paper/530431/en

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