P168 CEEFAX 168 Sun 22 Feb 20:04/01
5/10
<hlhlhllhhlhl SCOTTISH
7jkjijjjjjjjh AG BHLTURAL
5jjjjjjjjjjjz COLLEGES WSAC
GLASSH SE LETTUCE CONTROL OF DOWNY
MILDEW
Since the withdrawal of Ridomil from
the market, the alternatives are Thiram
or Zineb qsed as follows:
* Before planting - spray or dust at
50 per cent gerEhlation to cofdp the
the undersides of the cDed leabDs.
* After planting - Spring and S5lldr
spray or dust twice only within two
weeks of planting. Harvesp interb-l
three weeab