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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(3): 2020-2027
DOI: https://doi.org/10.20546/ijcmas.2019.803.240


Effect of Shoot Pruning on Growth and Yield of Guava (Psidium guajava L.) cv. L-49 under Foothills of Arunachal Pradesh
Hau Ngaih Lian*, Barun Singh, Bidyarani Devi Senjam and Md. Ramjan
Central Agricultural University, College of Horticulture & Forestry, Pasighat, Arunachal Pradesh, India
*Corresponding author
Abstract:

The effects of pruning months (mid-April, mid-May and mid-June) and pruning severity (pruning of 25%, 50% and 75% of shoot length from tip) on growth and yield of guava cv. L- 49 planted at a spacing of 6 m x 6 m at Fruit Research Farm, Department of Fruit Science, College of Horticulture, Pasighat, Arunachal Pradesh during April 2017 to December 2017, with an aim to optimize the time of pruning and intensity of pruning for harvesting of winter guava crop. Among different months of shoot pruning, pruning in mid-April (M1) was found to be the best for promoting plant growth parameters like plant height, collar girth, E-W and N-S canopy spread, length of shoot, fruit set and number of fruits/plant, whereas the maximum fruit yield (kg/tree) was recorded highest in mid-May pruning. The intensity of pruning in respect of length of shoot pruning also had different responses. On the basis of overall performance the study clearly revealed that pruning of 25% of the shoot length in mid-April (P1M1) was found to be the best treatment among all plant growth parameters, whereas pruning of 50% of the shoot length in mid-May recorded best for obtaining maximum fruit yield in guava cv. L-49 for winter crop in sub-tropical climatic conditions under the foot hills of Arunachal Pradesh.


Keywords: Winter guava, Pruning intensity, Pruning time, Growth
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How to cite this article:

Hau Ngaih Lian, Barun Singh, Bidyarani Devi Senjam and Md. Ramjan. 2019. Effect of Shoot Pruning on Growth and Yield of Guava (Psidium guajava L.) cv. L-49 under Foothills of Arunachal Pradesh.Int.J.Curr.Microbiol.App.Sci. 8(3): 2020-2027. doi: https://doi.org/10.20546/ijcmas.2019.803.240