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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
Email : editorijcmas@gmail.com / submit@ijcmas.com
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(2): 1152-1157
DOI: https://doi.org/10.20546/ijcmas.2019.802.134


Seasonal Variation in Leaf Mineral Nutrient and Optimization of Sampling Dates for Better Indexing of Pear Leaf
A. Raouf Malik1*, M. Feza Ahmad2, M. A. Ganie1, S.A. Bangroo 1, Nawsheen Nazir1, Aroosa Khalil1 and R.H.S. Raja3
Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Shalimar, Srinagar, Jammu and Kashmir 191 121, India
2Bihar Agricultural University Sobour Baghalpur 813210, India
3Central Institute of Temperate Horticulture Srinagar J&K, India
*Corresponding author
Abstract:

The present investigation aimed at evaluating the seasonality of macro-nutrients contents of pear trees during the agriculture year 2007. Therefore, leaf samples were collected at fortnightly intervals form 1st may to 1st October and evaluated for nutrients. In general concentration of N, P,K decreased and those of Ca, Mg, Fe, and Mn content increased from first to last sampling date while as no conspicuous trend was observed in Cu content of leaves. The distinct period of stability for N, Mg, Mn and Zn contents occurred from July 15- August 15. However, P content of leaves showed least variation from July 1 to august 1. While stability period for leaf Ca was recorded from August 1 to September 1. While Cu and B were found to be stable from June 1-July 15. It is as such suggested that the leaves should be sampled form middle portion of current season growth from periphery during most stable periods of a particular nutrient for its proper diagnosis. However in general, July to August is the most representative period for diagnosis of leaf nutrient content in the leaves.


Keywords: Pear, seasonal variation, Leaf index tissue, Sampling Date, Nutrient
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How to cite this article:

Raouf Malik, A., M. Feza Ahmad, M.A. Ganie, S.A. Bangroo, Nawsheen Nazir, Aroosa Khalil and Raja, R.H.S. 2019. Seasonal Variation in Leaf Mineral Nutrient and Optimization of Sampling Dates for Better Indexing of Pear Leaf.Int.J.Curr.Microbiol.App.Sci. 8(2): 1152-1157. doi: https://doi.org/10.20546/ijcmas.2019.802.134