After all the issues of establishing a rape crop, we have some real crackers this year. However, the best of the lot will probably lose 20-30% of its stand through this pest. Drilled 18th August(early for us- that is the cause)- and has obviously been attacked towards the end of August. With the earlier drilling season, is anyone else seeing any damage? White grubs 2-3mm long chewing the tap-root about 15mm below the surface. See leaves going limp & when pulled, the stem breaks where chewed & rotten. We are Humberside in a non veg area.
usually a few days sowing difference negates all damage, as OSR sowing dates are at the latter end of the CRF laying period.
usually a few days sowing difference negates all damage, as OSR sowing dates are at the latter end of the CRF laying period.