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Abstract Dil[ erent pruniag levels in both Flume ccdless and .rirnson ”eoole. raps greatly affect d bud behaviou parameter vegetati e gr \V!haocialed bloch mical contents f the canes as well as yieldclu ter characteristl and berry qu lit. The results showed a lose correlation between pruning scv ri(y (no. r buds/vine and no or bearing, unit) and bud burst %, lid fertility and ruitfulne s during the two eason of study. Increasing b til bud load per vine and bearing unit length (no. of buds/bearing unit) gave a high r signifi anI bud burst, bud fertility %, number of clusters p r vine, yield, cluster length and width, numb r or berrie . cluster \ ell as shot bcrric /cluster % and decreased berry weight and weight of berri s/clu ier berry dimensions, juice weight of 100 bcrrlc berry jui c Yo, berry firmne s, berry adher nee trength, tru liS thickness, peduncl thickness and bruch length. Increasing both the budlos divine and baring llnit length reduced both TSS %, T lacid ratio in berry juice, 100ai ugar and total anthocyanin %. In addition titratable acidity insignificantly increased \ ith increasing bud load/vin in both grape inc cultivars, |