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Shvoong Home>Science>Agronomy - Agriculture>Enhancement of fruit set and fruit yield through different types of pruning in aonla (Emblica offici Summary

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Enhancement of fruit set and fruit yield through different types of pruning in aonla (Emblica offici

Article Abstract by: vetri    

Original Author: K. Venkatesan:K. Sundharaiya
A field experiment was conducted to the study influence of pruning on growth and yield characters of aonla varieties. The
experiment was laid out in a factorial randomized block design with three replications. Totally 20 treatments includes five aonla cultivars viz., BSR-1, NA-7, Krishna, Kanchan and Chakaiya and four levels of pruning viz., nipping terminal bud (T1), Removal of terminal growth of 15 cm (T2), The study indicated that the severity of pruning had influenced the growth and yield of aonla varieties. Removal of terminal growth of 30 cm (T3) and Control (T4). Nipping terminal bud (11.65 days) and NA-7 (11.73 days) recorded early sprouting of shoot. The maximum shoot length (101.11 cm) was recorded with removal of 30 cm terminal growth. The highest value (5.42) for number of new vegetative shoots per branch fruit length (3.43 cm), fruit width (4.17 cm), fruit weight (36.81 g), fruit set (13.36 %) and yield per tree (94.70 Kg) was observed in removal of 15 cm terminal growth. The cultivar NA – 7 recorded highest values for fruit length (3.56cm) and fruit weight (39.17 g) and BSR - 1 recorded the highest values for fruit width (4.20 cm) and fruit set (14.00%).  Interaction effect inferred that removal of 15 cm terminal growth for BSR–1 registered the highest values for fruit set per shoot (14.99%) and yield per tree (105. 00 Kg). removal of terminal growth 15 and 30 cm respectively favourably accelerated the canopy structure of aonla varieties and enhanced the photosynthetic activity resulted higher yield in aonla varieties. The varieties BSR-1 and NA-7 were highly responded to severity of pruning and exhibited higher vegetative growth and yield.  
Published: September 06, 2007
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