Местоположение издательства:Wageningen, The Netherlands
Первая страница:221
Последняя страница:226
Аннотация:Two weather-based indices, number of risky periods during a potato-growing season and frequency of fungicide applications calculated by the VNIIFBlight decision support program, were compared with the expert evaluations of the late blight development level to monitor the severity of potato late blight. Both indices are calculated using the VNIIFBlight program for six years and seven different regions of Russia. The evaluation of these indices showed that the virtual frequency of fungicide applications provides more accurate results.