Abstract
Soil herbicides can influence directly the emergence and physiological processes of cultivated plants and weeds. These chemicals can also change processes of nutrient transformation, so can indirectly effect on mineral nutrition of plants. The aim of our experiment was to study the effect of different pre-emergence herbicides on mineral nutrition of two sunflower hybrids in a pot experiment. Experiment was set up in greenhouse. We examined changes of nitrogen, phosphorus, potassium and calcium content of Itanol and Rigasol PR sunflower hybrids. The applied herbicides were Afalon Dispersion (linuron), Galigan 240 EC (oxyfluorfen), Pledge 50 WP (flumioxazin), Proponit 720 EC (propisochlor) and Stomp 330 (pendimethalin) with the highest field suggested doses. Plants were grown for four weeks. Thereafter freshand dry weights, as well as N-, P-, Kand Ca concentration of shoot samples were measured. We established that fertilizers increased biomass and nutrient content of shoots in every treatment. Herbicides decreased freshand dry weight of four weeks age sunflower shoots in different extent, moreover influenced mineral nutrition of two hybrids unequally.
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Claims 3
Claim · model-written summary
Fertilizers increased biomass and nutrient content of sunflower shoots in every treatment.
- Taxon
- sunflower
Helianthus annuust0 - Treatment
- fertilizerse1
- Outcome
- biomass and nutrient content of shootse1
- Direction
- increasede1
- Setting
- greenhousee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“We established that fertilizers increased biomass and nutrient content of shoots in every treatment”
e5“Experiment was set up in greenhouse”
t0“Relationship between herbicide application and mineral nutrition of sunflower”
Claim · model-written summary
Pre-emergence herbicides decreased fresh and dry weight of four-week-old sunflower shoots, to different extents.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- pre-emergence herbicidese6
- Outcome
- freshand dry weight of four weeks age sunflower shootse2
- Direction
- decreasede2
- Setting
- greenhousee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Herbicides decreased freshand dry weight of four weeks age sunflower shoots in different extent”
e5“Experiment was set up in greenhouse”
e6“The aim of our experiment was to study the effect of different pre-emergence herbicides on mineral nutrition of two sunflower hybrids in a pot experiment”
t0“Relationship between herbicide application and mineral nutrition of sunflower”
Claim · model-written summary
Pre-emergence herbicides influenced mineral nutrition of the two sunflower hybrids unequally.
- Taxon
- sunflowerHelianthus annuust0
- Material
- Itanol and Rigasol PRe4
- Treatment
- pre-emergence herbicidese6
- Outcome
- mineral nutritione3
- Qualifier
- unequallye3
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“moreover influenced mineral nutrition of two hybrids unequally”
e4“We examined changes of nitrogen, phosphorus, potassium and calcium content of Itanol and Rigasol PR sunflower hybrids”
e6“The aim of our experiment was to study the effect of different pre-emergence herbicides on mineral nutrition of two sunflower hybrids in a pot experiment”
t0“Relationship between herbicide application and mineral nutrition of sunflower”
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See all 146 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.