Abstract
The aim of our pot experiment was to study how pea plants respond to herbicide application with different nutrient supplies. We studied the effect of herbicides on growth parameters and examined the interaction between levels of nitrogen (N) fertilizers and the effect of herbicides. The experiment was conducted in a glasshouse with five different herbicides at three N levels. The N was added as nitrate the following levels: N0 = 0 mg kg−1 soil, N60 = 60 mg kg−1 soil, and N160 = 160 mg kg−1 soil. Four of the herbicides can be used as pre‐emergence treatments and one as postemergence treatment. Pre‐emergence applications of Afalon Dispersion (a.i. linuron), Command 48 EC (a.i. clomazone), Pledge 50 WP (a.i. flumioxazin), and Sencor 70 WG (a.i. metribuzin) were given, while Basagran (a.i. bentazone) was applied postemergence. Among them, the Pledge 50 WP is not permitted in pea culture in Hungary. In the four‐replication experiment, we used 132 pots. The plants were grown for 12 weeks, when the dry weight of shoots and pods and their N, phosphorous (P), and potassium (K) contents, were determined. Results show that the herbicide treatments decreased the weight of vegetative parts and the yield of the pea plants differently. The increasing doses of N fertilizer did not significantly increase the biomass of vegetative plant parts in all cases. The phytotoxic effect of the herbicides was sometimes stronger than the biomass, increasing the effect of N. For the biomass production of pea plants, the 160 mg kg−1 N dose was most favorable, with 22% increasing in vegetative production. The dry matter of shoots and pods decreased most in the case of N160 levels affected by herbicides. The linuron caused the most severe dry‐matter decrease; this was statistically verified at all N levels.
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Claims 5
Claim · model-written summary
Herbicide treatments decreased vegetative weight and pea yield to different degrees.
- Taxon
- pea plants
Lathyrus oleraceuse0 - Treatment
- herbicide treatmentse0
- Outcome
- weight of vegetative parts and the yielde0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the herbicide treatments decreased the weight of vegetative parts and the yield of the pea plants differently”
Claim · model-written summary
Increasing nitrogen doses did not significantly increase vegetative biomass in all cases.
- Taxon
- PeaLathyrus oleraceust0
- Treatment
- increasing doses of N fertilizere0
- Outcome
- biomass of vegetative plant partse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increasing doses of N fertilizer did not significantly increase the biomass of vegetative plant parts in all cases”
t0“Pea Culture”
Claim · model-written summary
At 160 mg kg−1 N, vegetative production increased 22%.
- Taxon
- PeaLathyrus oleraceust0
- Treatment
- 160 mg kg−1 N dosee0
- Outcome
- vegetative productione0
- Direction
- increasinge0
- Value
- 22%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the 160 mg kg−1 N dose was most favorable, with 22% increasing in vegetative production”
t0“Pea Culture”
Claim · model-written summary
Herbicide affected shoots and pods had the greatest dry matter decrease at N160.
- Taxon
- PeaLathyrus oleraceust0
- Treatment
- N160 levels affected by herbicidese0
- Outcome
- dry matter of shoots and podse0
- Direction
- decreased moste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dry matter of shoots and pods decreased most in the case of N160 levels affected by herbicides”
t0“Pea Culture”
Claim · model-written summary
Linuron caused the most severe dry matter decrease at every nitrogen level.
- Taxon
- PeaLathyrus oleraceust0
- Treatment
- linurone0
- Outcome
- dry‐mattere0
- Direction
- decreasee0
- Qualifier
- at all N levelse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The linuron caused the most severe dry‐matter decrease; this was statistically verified at all N levels”
t0“Pea Culture”
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