Impact of cattle manure containing aminopyralid on crop growth

Abstract

Herbicide residues in soils can affect the cultivation of crops. The effect of cattle manure containing the active substance aminopyralid was investigated on field and vegetable crops: Potatoes (Solanum tuberosum), sugar beets (Beta vulgaris), maize (Zea mays), wild mustard (Sinapis arvensis), sunflower (Helianthus annuus), spring oilseed rape (Brassica napus), spring barley (Hordeum vulgare), tomatoes (Solanum lycopersicum), cucumber (Cucumis sativus), peas (Pisum sativum), lettuce (Lactuca sativa), bush beans (Phaseolus vulgaris), leek (Allium ampeloprasum), carrots (Daucus carota) and cauliflower (Brassica oleracea). Microplot trials were carried out with treatments of 7.5; 15 und 30 tons cattle manure per hectare. All vegetable crops reacted more or less sensitive to the herbicide residues. The most sensitive crops were peas and tomatoes. Even residue levels of less than two micrograms aminopyralid per kilogram of soil caused plant damage. Also field crops such as potatoes, sugar beets and sunflower react very sensitive to aminopyralid. In contrast, the active ingredient is well tolerated by monocotyledonous plants. In spring barley and maize, no plant damage was observed.

Keywords

• Ackerkulturen
• Boden
• Ertrag
• Gemüsekulturen
• Herbizid
• Nachbau
• Pflanzenschädigung
• Wirkstoff Aminopyralid
• active ingredient aminopyralid
• crop injury
• field crops
• herbicide
• soil
• succeeding crops
• vegetable crops
• yield