What a cross-spectrum herbicide is?

When talking about herbicides you might have heard about different herbicide attributes like: total, broadleaf, grass, selective, non-selective, cross-spectrum, etc.

Total herbicides are the ones that kill everything, the weeds and the crops. They are also called non-selective.

Selective herbicides are the ones that kill the weeds but not the crops (in some cases they still damage the crops). Within the selective herbicides we have, broadleaf herbicides which only kill broadleaf weeds (so they do not kill all the grass weeds); grass herbicides which only kill grass weeds and lastly we have cross-spectrum herbicides which kill both broadleaf and grass weeds.

All these can be summarized on this table. We also added a column called crop in order to show that some GMO-crops are resistant to some total herbicides.

Note: All this information has been gathered from homologa.com team

CropHerbicideEffect on grass weedsEffect on broadleaf weedsEffect on the crop (if applied all over)
Non-GMO CerealBroadleafNoneKillNone
Non-GMO CerealGrassKillNoneNone or very limited
Non-GMO CerealCross-spectrumKillKillNone or very limited
Non-GMO CerealTotalKillKillKill
GMO-cerealTotalKillKillNone
Source:homologa.com

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