Vegetable diseases control in integrated plant protection | Dārzeņu slimību ierobežošanas iespējas integrētā augu aizsardzībā
2012
Bimsteine, G., Latvia Univ. of Agriculture, Jelgava (Latvia). Inst. of Soil and Plant Sciences | Bankina, B., Latvia Univ. of Agriculture, Jelgava (Latvia). Inst. of Soil and Plant Sciences | Lepse, L., Pure Horticultural Research Centre, Tukuma reg. (Latvia)
Integrated diseases control is the most sustainable, environment-friendly and economically beneficial method of vegetable protection. Field observations of disease development during vegetation period and comparison of different diseases control strategies were carried out at Pure Horticultural Research Centre and Institute of Soil and Plant Sciences of LLU during the years 2008 – 2011. Diseases of onions, cabbages and carrots were determined according to visual symptoms and microscopic features of fruiting bodies and spores. Two strategies of diseases control were analyzed - fungicide applied according to the DaCom Plant Plus decision support system and fungicide used according to the expert decision. Leaf spot (Alternaria spp.) is the most common disease in the onion, cabbage and carrot fields. The white mould (Sclerotinia sclerotiorum) also was found in all years and fields. The effectiveness of fungicide usage depends on the year and diseases currency. Both analysed control strategies influenced the disease development compare to control, but significant differences were observed only in some years.
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