Certificate of addition to patent No. 9402328 for process for controlling the parasitic jopo weed (Orobanche cernua Loefl./O. cumana Wallr.) in the cultivation of sunflowers

摘要

Improvement introduced to Patent No. 9402328, entitled "Process for selective use of the herbicide imazapyr in the cultivation of sunflowers for the control of the parasitic "jopo" weed (Orobanche cernua Loefl./O. cumana Wallr.)". Said patent improvement consists of the combined application in the post-emergence phase of sunflower (Helianthus annuus L.) of the herbicides ????? and glyphosatl (n-phosphonomethyl glycine) for the control of the parasitic "jopo" weed. This application is carried out in various phases of development of the crop and in herbicide doses which are defined for each hectare.