Controlling viruses in lettuce
May 11, 2020
2 minutes
PHOTOS: BILL KERR
In South Africa, two viruses are a particular threat to lettuce: tomato spotted wilt (TSWV) and lettuce mosaic virus (LMV). Both can be highly destructive and spread quickly via vectors such as sucking insects and thrips.
One of these vectors, the green peach aphid, frequently attacks lettuce, but can
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