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Standardization of pruning intensity and integrated nutrient management in meadow orcharding of guava (Psidium guajava)

Indian Agricultural Research Journals

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Title Standardization of pruning intensity and integrated nutrient management in meadow orcharding of guava (Psidium guajava)
 
Creator PILANIA, SHALINI
SHUKLA, A K
MAHAWER, L N
SHARMA, RAJVIR
BAIRWA, H L
 
Subject Integrated nutrient management; Meadow orchard; Pruning intensity
 
Description A study was conducted during 2007–08 to standardize the pruning intensity and integrated nutrient management in guava (Psidium guajava L). Pruning of 25% previous season growth (I1) resulted maximum canopy volume (0.60 m3), flowers/shoot (50.93) during both the years. However, pruning of 75% previous season growth (I3) showed maximum fruit set (45.40%), fruit retention (44.55%), whereas 50% pruning of previous season’s growth (I2) resulted maximum leaf area of 56.30 cm2, fruits yield/plant 5.13 kg, with B : C ratio of 4.32. Use of 50, 20, 50 g NPK + 5 kg vermicompost enriched with Azotobacter + Aspergillus niger (F5) resulted maximum canopy volume 0.69 m3, leaf area (57.19 cm2), flowers/shoot (49.12), fruit set (45.79%), fruit retention (44.76). Interaction effect of pruning and integrated nutrient management showed that 50, 20, 50 g NPK + 5 kg vermicompost enriched with Azotobacter + Aspergillus niger + 25% per cent pruning intensity (F5I1) resulted maximum canopy volume 0.96 m3, flowers/shoot (57.83), while 50, 20, 50 g NPK + 5 kg vermicompost enriched with Azotobacter + Aspergillus niger + 75% pruning intensity (F5I3) resulted maximum fruit diameter 5.20 cm (polar) and 5.31 cm (equatorial), average fruit weight (158.06 g), average pulp weight (154.19 g), pulp seed ratio 39.93 during both the years. However, highest leaf area (59.46 cm2) and fruit yield was obtained with 50, 20, 50 g NPK + 5 kg vermicompost enriched with Azotobacter + Aspergillus niger + 50% pruning intensity (F5I2) 6.68 kg/ plant and 33.43 tonnes/ ha with B : C ratio of 4.33.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor ICAR
 
Date 2010-08-02
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/261
 
Source The Indian Journal of Agricultural Sciences; Vol 80, No 8 (2010)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/261/244
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences