Abstract
To study the effect of biofertilizers (mycorrhiza, nitroxin and supernitroplus) and chemical fertilizers (nitrogenous and phosphorus) on yield, components of yield and mycorrhizal colonization percent on commen dill (Anethum graveolens L.) two separate two-year experiment were conducted using a factorial experiment design based on completely randomized design with three replications under greenhouse conditions at the Faculty of Agriculture, Islamic Azad University, Tabriz Branch, Iran, during 2010 and 2011. Treatments consisted of mycorrhizal application in three levels, (without using mycorrhiza as control, application of species of two mycorrhiza Glomus intraradices and G. mosseae, nitrogen-fixing biofertilizers in three levels (without application as control,applicationofnitroxin and supernitroplus) and chemical fertilizers of nitrogen and phosphorus in three levels including (zero, 50% and 100% of recommended dose according to soil analysis). The results showed that combined and simultaneous application of experimental treatments were effective on number of lateral branch, number of umbel per plant, seed yield and percent of root colonization with mycorrhiza. The combined application of biofertilizers under reduced application of nitrogen and phosphorous chemical fertilizers (zero and 50% recommended dose) affected these positively. Also, separate applications of nitrogen fixing biofertilizers, especially supernitroplus and combined application of mycorrhiza with reduced amounts of chemical fertilizers increased the number of seeds per plant against the control treatment.
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Claims 5
Claim · model-written summary
Combined treatments improved dill lateral branches, umbels and seed yield.
- Taxon
- Common Dillt0
- Treatment
- combined and simultaneous application of experimental treatmentse0
- Outcome
- number of lateral branch, number of umbel per plant, seed yielde0
- Direction
- effectivee0
Not reportedComparator
Verbatim
e0“combined and simultaneous application of experimental treatments were effective on number of lateral branch, number of umbel per plant, seed yield”
t0“Common Dill (Anethum graveolens L.)”
Claim · model-written summary
Combined treatments affected dill root mycorrhizal colonization.
- Taxon
- Common Dillt0
- Treatment
- combined and simultaneous application of experimental treatmentse0
- Interactor
- mycorrhizae0symbiont
- Outcome
- percent of root colonization with mycorrhizae0
- Direction
- effectivee0
Not reportedComparator
Verbatim
e0“combined and simultaneous application of experimental treatments were effective on number of lateral branch, number of umbel per plant, seed yield and percent of root colonization with mycorrhiza”
t0“Common Dill (Anethum graveolens L.)”
Claim · model-written summary
Biofertilizers with reduced nitrogen and phosphorus fertilizer positively affected dill traits.
- Taxon
- Common Dillt0
- Treatment
- combined application of biofertilizers under reduced application of nitrogen and phosphorous chemical fertilizers (zero and 50% recommended dose)e0
- Outcome
- thesee0
- Direction
- positivelye0
Not reportedComparator
Verbatim
e0“combined application of biofertilizers under reduced application of nitrogen and phosphorous chemical fertilizers (zero and 50% recommended dose) affected these positively”
t0“Common Dill (Anethum graveolens L.)”
Claim · model-written summary
Nitrogen fixing biofertilizers, especially supernitroplus, increased dill seeds per plant over control.
Verbatim
e0“separate applications of nitrogen fixing biofertilizers, especially supernitroplus and combined application of mycorrhiza with reduced amounts of chemical fertilizers increased the number of seeds per plant against the control treatment”
t0“Common Dill (Anethum graveolens L.)”
Claim · model-written summary
Mycorrhiza with reduced chemical fertilizer increased dill seeds per plant over control.
Verbatim
e0“combined application of mycorrhiza with reduced amounts of chemical fertilizers increased the number of seeds per plant against the control treatment”
t0“Common Dill (Anethum graveolens L.)”
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