Effects of harvest residues and mineral fertilisers on yield and lodging of maize plants caused by larvae of Diabrotica virgifera virgifera Le Conte
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Monitoring of plant lodging and yield response was performed with the aim to quantify the maize plant response to WCR larvae root damage. Results of plant lodging ranged from 5.39% to 22.26%. Ploughing down of harvest residues slightly decreased percentage of the plant lodging from 12.92% to 15.24% comparing to the removal of harvest residues. Yield response to CR was followed by 565 kg ha-1 prior to and 586 k /ha-1 after the WCR appearance. Yield differences were 2.861 t ha-1 and 2.840 t ha-1, percentage of yield losses was 35.6% and 33.0% in CRO and CR1, respectively.
Keywords:western corn rootworm / Diabrotica virgifera virgifera / plant lodging / yield response / maize
Source:Savremena poljoprivreda, 2005, 54, 1-2, 165-168
- Univerzitet u Novom Sadu - Poljoprivredni fakultet, Novi Sad i Naučni institut za ratarstvo i povrtarstvo, Novi Sad