Az NP-mu″trágyázás es a fungiciddel történo″ kezelesek közötti kölcsönhatasok o″szi búzában

Translated title of the contribution: Interactions between NP mineral fertilisation and fungicide treatment in winter wheat

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Interactions between NP mineral fertiliser levels and fungicide treatments were examined in a 32-year long-term mineral fertilisation experiment on calcareous loamy chernozem soil in the Mezöföld region of Hungary. The year 1999 was wet, with 192 mm rainfall in June and 129 mm in July. At flowering the stand became infected with powdery mildew and rust fungi, especially in treatments with high N rates. The fertilizers were applied in the form of calcium ammonium nitrate, superphosphate and potassium chloride. The soil contained 5% CaCO3, 3% humus, 60-80 mg/kg AL-P2O 5 and 140-160 mg/kg AL-K2O in the ploughed layer. The ten original plots, representing the NP treatments, were each divided into three, giving a control and two fungicide treatments. The experiment was carried out in four replications on a total of 120 plots. The main results were as follows: 1. In wet years, when fungal infection (powdery mildew, rust) tends to be pronounced, fungicide spraying is an economical measure, especially in wheat stands well supplied with N, where the conditions are favourable not only for high yields but also for damage by fungi. 2. Sprayed stands did not become infected and were a healthy light yellow colour when ripe. The 1000- kernel mass was 30% higher than the unfertilised control in the NP treatment and 60% higher in the NP+fungicide treatment. Fungicide treatment was able to overcome the yield depression caused by excessive N supplies, improving the efficiency of NP fertilisation. 3. The grain yield was 0.9 t/ha in the control, 3.6 t/ha in the NP treatment and 4.9 t/ha in the NP+fungicide treatment. Under the given conditions as much as 30-40% of the yield may be lost without crop protection. The crude protein yield may exhibit a similar decline. The grain N% and the crude protein content were not influenced by spraying. 4. No significant difference was found between the fungicides Tango and Juwel, both of which were found to give effective control.

Original languageHungarian
Pages (from-to)323-333
Number of pages11
JournalNovenytermeles
Volume55
Issue number5-6
Publication statusPublished - 2006

Fingerprint

winter wheat
fungicides
minerals
powdery mildew
spraying
crude protein
calcium ammonium nitrate
fungi
superphosphate
potassium chloride
loam soils
calcareous soils
humus
mineral fertilizers
plant protection
Hungary
grain yield
protein content
fertilizers
flowering

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Az NP-mu″trágyázás es a fungiciddel történo″ kezelesek közötti kölcsönhatasok o″szi búzában. / Kádár, I.

In: Novenytermeles, Vol. 55, No. 5-6, 2006, p. 323-333.

Research output: Contribution to journalArticle

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abstract = "Interactions between NP mineral fertiliser levels and fungicide treatments were examined in a 32-year long-term mineral fertilisation experiment on calcareous loamy chernozem soil in the Mez{\"o}f{\"o}ld region of Hungary. The year 1999 was wet, with 192 mm rainfall in June and 129 mm in July. At flowering the stand became infected with powdery mildew and rust fungi, especially in treatments with high N rates. The fertilizers were applied in the form of calcium ammonium nitrate, superphosphate and potassium chloride. The soil contained 5{\%} CaCO3, 3{\%} humus, 60-80 mg/kg AL-P2O 5 and 140-160 mg/kg AL-K2O in the ploughed layer. The ten original plots, representing the NP treatments, were each divided into three, giving a control and two fungicide treatments. The experiment was carried out in four replications on a total of 120 plots. The main results were as follows: 1. In wet years, when fungal infection (powdery mildew, rust) tends to be pronounced, fungicide spraying is an economical measure, especially in wheat stands well supplied with N, where the conditions are favourable not only for high yields but also for damage by fungi. 2. Sprayed stands did not become infected and were a healthy light yellow colour when ripe. The 1000- kernel mass was 30{\%} higher than the unfertilised control in the NP treatment and 60{\%} higher in the NP+fungicide treatment. Fungicide treatment was able to overcome the yield depression caused by excessive N supplies, improving the efficiency of NP fertilisation. 3. The grain yield was 0.9 t/ha in the control, 3.6 t/ha in the NP treatment and 4.9 t/ha in the NP+fungicide treatment. Under the given conditions as much as 30-40{\%} of the yield may be lost without crop protection. The crude protein yield may exhibit a similar decline. The grain N{\%} and the crude protein content were not influenced by spraying. 4. No significant difference was found between the fungicides Tango and Juwel, both of which were found to give effective control.",
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AB - Interactions between NP mineral fertiliser levels and fungicide treatments were examined in a 32-year long-term mineral fertilisation experiment on calcareous loamy chernozem soil in the Mezöföld region of Hungary. The year 1999 was wet, with 192 mm rainfall in June and 129 mm in July. At flowering the stand became infected with powdery mildew and rust fungi, especially in treatments with high N rates. The fertilizers were applied in the form of calcium ammonium nitrate, superphosphate and potassium chloride. The soil contained 5% CaCO3, 3% humus, 60-80 mg/kg AL-P2O 5 and 140-160 mg/kg AL-K2O in the ploughed layer. The ten original plots, representing the NP treatments, were each divided into three, giving a control and two fungicide treatments. The experiment was carried out in four replications on a total of 120 plots. The main results were as follows: 1. In wet years, when fungal infection (powdery mildew, rust) tends to be pronounced, fungicide spraying is an economical measure, especially in wheat stands well supplied with N, where the conditions are favourable not only for high yields but also for damage by fungi. 2. Sprayed stands did not become infected and were a healthy light yellow colour when ripe. The 1000- kernel mass was 30% higher than the unfertilised control in the NP treatment and 60% higher in the NP+fungicide treatment. Fungicide treatment was able to overcome the yield depression caused by excessive N supplies, improving the efficiency of NP fertilisation. 3. The grain yield was 0.9 t/ha in the control, 3.6 t/ha in the NP treatment and 4.9 t/ha in the NP+fungicide treatment. Under the given conditions as much as 30-40% of the yield may be lost without crop protection. The crude protein yield may exhibit a similar decline. The grain N% and the crude protein content were not influenced by spraying. 4. No significant difference was found between the fungicides Tango and Juwel, both of which were found to give effective control.

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