A Guide to Grapevine Abnormalities in South Africa - P.G. GOUSSARD
Build-up of bearers (511); postponed suckering (512).
PHOTO 511. Although the judicious use of sucker shoots may serve as an effective safeguard against the elongation/build-up of bearers/spurs, timeous action was postponed too long in this example.
PHOTO 512. An example where the onset of suckering actions was postponed too long, the result being that the effective removal of undesirable shoots is considerably compromised.
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