GROWTH AND YIELD OF BER (ZIZIPHUS-MAURITIANA LAMK) CV SEO UNDER DIFFERENT PRUNING SEVERITIES

Effect of different pruning severities were studied on the performance of ber (Ziziphus mauritiana Lamk.) CV. Seo for 2 consecutive years. T he treatments consisted of five pruning severities namely; no pruning (control), pruning upto 4th, 6th and 8th secondaries and also at 90 cm or 3/4th length of the shoot. The weight of pruned wood, plant height , plant spread, stock and scion girth, number of primary buds upto whi ch secondary branches were arising, annual shoot growth. per cent frui t set and fruit drop and yield differed significantly with various pru ning severities. The maximum yield (61.82 kg) was obtained from trees which were pruned upto 6th secondaries.