Abstract
This paper describes the influence of initial dose of nitrogen and foliar nutrition on LAI (leaf area index) index and on infection of fungal pathogens of two morphotypes of faba beans. Occurrence of ascochyta blight (Ascochyta fabae), chocolate spots (Botrytis fabae) and faba bean rust (Uromyces fabae) was analysed. In the years 2011–2013 strict field tests were carried at the Experimental Station of Variety Evaluation in Przecław. The following factors were analysed: initial nitrogen dose (25 kg/ha), foliar nutrition (Basfoliar 6-12-6) and Granit and Amulet cultivars. The initial dose of nitrogen considerably increased LAI index in comparison with the control but the foliar nutrition did not influence LAI index as compared with the control. Amulet cultivar was better than Granit cultivar as far as tested parameters were concerned. According to the obtained results fertilization with the initial dose of nitrogen and foliar nutrition did not influence the infection severity of diseases caused by the examined fungal pathogens in respect to the control. On the other hand the cultivars were sensitive to the studied diseases at a different level and it varied in individual years. Granit cultivar as compared with Amulet was infected more by ascochyta blight and chocolate spots and less by faba bean rust. W pracy określono wpływ dawki startowej azotu oraz dokarmiania dolistnego na wskaźnik LAI (leaf area index) oraz porażenie przez grzyby chorobotwórcze dwóch morfotypów bobiku. Ocenie poddano występowanie askochytozy bobiku (Ascochyta fabae), czekoladowej plamistości bobiku (Botrytis fabae) i rdzy bobiku (Uromyces fabae). Ścisłe doświadczenie polowe przeprowadzono w latach 2011–2013 w Stacji Doświadczalnej Oceny Odmian w Przecławiu. Badanymi czynnikami były: dawka startowa azotu (25 kg/ha), dokarmianie dolistne (Basfoliar 6-12-6) oraz odmiany Granit i Amulet. Zastosowana dawka startowa azotu istotnie zwiększyła, natomiast dokarmianie dolistne nie zróżnicowało wskaźnika LAI w porównaniu do obiektu kontrolnego. Odmiana Amulet badanym parametrem przewyższyła odmianę Granit. Uzyskane wyniki badań nie wykazały istotnego wpływu nawożenia startowego azotem, jak i dolistnego dokarmiania na stopień porażenia przez badane patogeny grzybowe w odniesieniu do roślin kontrolnych. Stwierdzono odmianową podatność na oceniane choroby oraz zmienność ich nasilenia w poszczególnych latach. Odmiana Granit w porównaniu do odmiany Amulet była silniej porażona przez A. fabae i B. fabae, a w mniejszym stopniu przez U. fabae.
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Claims 7
Claim · model-written summary
The initial nitrogen dose considerably increased LAI compared with the control.
- Taxon
- faba beans
Vicia fabae0 - Treatment
- initial dose of nitrogene1
- Outcome
- LAI indexe1
- Direction
- increasede1
- Comparator
- the controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two morphotypes of faba beans”
e1“The initial dose of nitrogen considerably increased LAI index in comparison with the control”
Claim · model-written summary
Foliar nutrition did not influence LAI compared with the control.
- Taxon
- faba beansVicia fabae0
- Treatment
- foliar nutritione2
- Outcome
- LAI indexe2
- Direction
- no_changeinferrede2
- Comparator
- the controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two morphotypes of faba beans”
e2“but the foliar nutrition did not influence LAI index as compared with the control”
Claim · model-written summary
Amulet had better tested parameters than Granit.
- Taxon
- faba beansVicia fabae0
- Material
- Amulete3
- Outcome
- tested parameterse3
- Direction
- bettere3
- Comparator
- Granite3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two morphotypes of faba beans”
e3“Amulet cultivar was better than Granit cultivar as far as tested parameters were concerned”
Claim · model-written summary
Initial nitrogen dose and foliar nutrition did not influence infection severity of the examined fungal pathogens compared with the control.
- Taxon
- faba beansVicia fabae0
- Treatment
- initial dose of nitrogen and foliar nutritione4
- Interactor
- examined fungal pathogense4pathogen
- Outcome
- infection severity of diseasese4
- Direction
- no_changeinferrede4
- Comparator
- the controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two morphotypes of faba beans”
e4“fertilization with the initial dose of nitrogen and foliar nutrition did not influence the infection severity of diseases caused by the examined fungal pathogens in respect to the control”
Claim · model-written summary
Cultivars differed in sensitivity to the studied diseases, and this varied between years.
- Taxon
- faba beansVicia fabae0
- Material
- cultivarse5
- Outcome
- sensitive to the studied diseasese5
- Qualifier
- it varied in individual yearse5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two morphotypes of faba beans”
e5“the cultivars were sensitive to the studied diseases at a different level and it varied in individual years”
Claim · model-written summary
Granit was infected more by ascochyta blight and chocolate spots than Amulet.
- Taxon
- faba beansVicia fabae0
- Material
- Granite7
- Interactor
- Ascochyta fabae
.jpg?width=60)
Ascochyta fabaee6pathogen - Second interactor
- Botrytis fabae
Botrytis fabaee6pathogen - Outcome
- ascochyta blight and chocolate spotse7
- Direction
- moree7
- Comparator
- Amulete7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“two morphotypes of faba beans”
e6“Occurrence of ascochyta blight (Ascochyta fabae), chocolate spots (Botrytis fabae) and faba bean rust (Uromyces fabae) was analysed”
e7“Granit cultivar as compared with Amulet was infected more by ascochyta blight and chocolate spots and less by faba bean rust”
Claim · model-written summary
Granit was less infected by faba bean rust than Amulet.
- Taxon
- faba beansVicia fabae0
- Material
- Granite7
- Interactor
- Uromyces fabae
Uromyces viciae-fabaee6pathogen - Outcome
- faba bean ruste7
- Direction
- lesse7
- Comparator
- Amulete7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two morphotypes of faba beans”
e6“Occurrence of ascochyta blight (Ascochyta fabae), chocolate spots (Botrytis fabae) and faba bean rust (Uromyces fabae) was analysed”
e7“Granit cultivar as compared with Amulet was infected more by ascochyta blight and chocolate spots and less by faba bean rust”
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