Agriculture, Vol. 27 No. 1, 2021.
Original scientific paper
https://doi.org/10.18047/poljo.27.1.8
The Aggressivness of Diaporthe longicolla and Diaporthe pseudolongicolla Isolates Tested by the Soybean Seed’s Artificial Inoculation
Tomislav Duvnjak
; Agricultural Institute Osijek, Južno predgrađe 17, 31000 Osijek, Croatia
Aleksandra Sudarić
; Agricultural Institute Osijek, Južno predgrađe 17, 31000 Osijek, Croatia
Karolina Vrandečić
; Josip Juraj Strossmayer University of Osijek, Faculty of Agrobiotechnical Sciences Osijek, Vladimira Preloga 1, 31000 Osijek, Croatia
Anto Mijić
; Agricultural Institute Osijek, Južno predgrađe 17, 31000 Osijek, Croatia
Tihomir Čupić
; Agricultural Institute Osijek, Južno predgrađe 17, 31000 Osijek, Croatia
Ivica Liović
; Agricultural Institute Osijek, Južno predgrađe 17, 31000 Osijek, Croatia
Maja Matoša Kočar
; Agricultural Institute Osijek, Južno predgrađe 17, 31000 Osijek, Croatia
Abstract
This study’s objective was to determine if there was a difference in aggressiveness between the Diaporthe longicolla and the Diaporthe pseudolongicolla isolates infecting the soybean seeds. An artificial inoculation was performed under laboratory conditions and in a greenhouse on a soybean cultivar (Tisa) created in the breeding program of the Agricultural Institute Osijek and represented in a large-scale production in the Republic of Croatia. An attempt was made to discover whether the isolates of the recently described D. pseudolongicolla were more aggressive to the soybean seeds than the D. longicolla isolates, which have manifested a high aggressiveness to the soybean seeds throughout a series of earlier experiments. The D. pseudolongicolla isolates used in the experiment were isolated from the infected seeds pertaining to a wide production in the vicinity of Osijek. The experiments have demonstrated that there were statistically significant differences (P<0.05) in the aggressiveness between the isolates tested, with the D. longicolla isolate manifesting the highest aggressiveness in both trials.
Keywords
soybean; seed; D. longicolla; D. pseudolongicolla; artificial inoculation; pathogenicity
Hrčak ID:
258155
URI
Publication date:
1.6.2021.
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