National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
This trial was carried out during 2017-2018 and 2018- 2019 on 12 years old seedy guava (Psidium guajva, L) trees planted at 5x5 meters at college farm, S.D.J.P.G. college- Chandeshwer, Azamgarh, U.P. This investigation aimed to study the effect of some pruning treatments: 1- Control (unpruned trees). 2- Apical ten cm of new shoots were pruned. 3- Apical twenty cm of new shoots were pruned, in three dates: May, June and July on yield and fruit quality of guava trees. The obtained results showed that, number of fruits per tree, yield per tree and fruit weight was better with apical 10 cm of pruning shoots with May, while fruit set percentage and total sugars were better with apical 10 cm of pruning shoots at May and June. In the other side, fruit weight and fruit volume gave the highest values with apical 20 cm of new pruned shoots at May and June, while TSS gave the highest values with apical 10 and twenty cm of new pruned shoots at May and June, but fruit dry weight percentage gave insignificant differences among treatments in first season, but gave highest results in second season with apical 10 cm of new pruned shoots at June, whereas maximum Vitamin C was found in control guava fruits at May We can be recommended by apical 10 cm of pruning shoots at May to get the best results of yield, fruit growth and fruit quality.
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