A clean start is half the battle

A flexible dosage of Sencor SC, in combination with a broad and (very) good soil effect from Challenge, ensure reliable weed control in potatoes, among other things.

The planting of the potatoes is already well underway. The last seedpods will soon go into the ground. Due to the high temperatures recently, the potatoes germinate quickly, so it won't be long before the first potatoes will see the first light of day. Weed control also comes into the picture. Below are some tips and points for attention.

Sencor SC
Sencor SC, based on the active ingredient metribuzin, has both a good contact effect and a very good soil effect. Sencor SC works on 1-year-old grasses and 2-cotyledonous weeds. In potatoes we have a flexible dosage of up to 0,75 liters per hectare. For seed potatoes, it is recommended to apply Sencor SC on settled soil shortly after the definitive ridge build-up (after planting or scarring). In ware and starch potatoes it is customary to carry out the control around emergence. In addition to 'pre-emergence spraying', Sencor SC may also be used as 'post-emergence spraying' in ware and starch potatoes.

Pay close attention to the dose with a post-emergence spray, because it is lower than with the pre-emergence spray. Another point of attention is the selectivity of the variety. Not all varieties tolerate Sencor SC equally well. We have here the Sensor app developed for. This includes the sensitivity to Sencor for a number of varieties. We test new varieties every year, so make sure you have the most current version of the app.

Challenge
Challenge, based on the active ingredient aclonifine, has a very strong soil effect. Applying Challenge to sufficiently settled soil, shortly after planting the potatoes, gives the best results with this soil herbicide. The product fights both 1-year-old grasses (such as dusk, windhalm and annual meadow grass) as well as 2-cotyledonous weeds (such as wall, shepherd's purse, white clod, field forget-me-not, devil's skin and cleavers).

Challenge is also known for its excellent effect against milkweed foot. The potatoes that are grown on sandy and valley soils can hardly do without the power of Challenge. This is because of the common goose foot there.

Advice at a glance:
seed potatoes:

• Sencor-tolerant varieties: 0,25 to 0,75 liters per hectare Sencor + 3 to 4 liters per hectare Boxer.
• Sencor sensitive varieties: 2 to 3 liters per hectare Proman + 3 to 4 liters per hectare Boxer.

Consumption and starch potatoes (pre-emergence):

• Sencor-tolerant varieties
  • 0,25 to 0,75 liters per hectare Sencor + 1,5 to 2 liters per hectare Challenge + 3 liters per hectare Boxer.
  • 0,25 to 0,75 liters per hectare Sencor + 3 to 4 liters per hectare Boxer.
• Sencor sensitive breeds
  • 2 liters per hectare Challenge + 3 liters per hectare Proman.
  • 1,5 to 2 liters per hectare Challenge + 2 to 3 liters per hectare Proman + 3 liters per hectare Boxer.

Consumption and starch potatoes (post-emergence):

• Sencor-tolerant varieties
  • 0,05 to 0,15 liters per hectare of Sencor in LDS.
  • Can be mixed with Titus, Basagran and wetting agents.

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