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#3-4 (211-212) / -Հունվար 2018
 
Suren SHINDYAN
ECONOMIC EFFICIENCY OF FERTILE AND INFERTILE OFFSHOOTS RATIO IN THE VINES OF GRAPE SORTS “BLACK ARENI” AND “CARDINAL” IN THE DRY CONDITIONS OF PRE-MOUNTAINOUS AND MID-MOUNTAINOUS ZONES OF NKR /ARTSAKH/

Keywords: sort, ratio, load rate, yield.
In the grape production vineyards of the pre-mountainous and mid-mountainous zones at NKR the interactions/ratio/ of fertile and infertile offshoots were experimented on the grape vines of Black Areni and Cardinal sorts in 2011-2014 in order to disclose the ratio in case of which a regular vine growth, high yield capacity and high level of profitability can be resulted.
The experiments were conducted in the variants of 5-6 eyes length pruning of the fertile offshoots in the vines of Black Areni sort, in that of 70 eyes length pruning and 90 eyes load.
It has been found out that in the mentioned variants the best one was considered to be 1:1 variant upon the ratio of fertile and infertile offshoots (1 fertile and one infertile offshoot), in case of which 218,6 centner yield per hectare was provided from the sort of Black Areni and 278,5 centner yield was harvested from Cardinal sort with 18,9 and 18,2 g/100 cm3 fruit juice sugar content.
In case of the sort Black Areni the variant of 1:1 exceeds that of 2:1 by 16,0 centner yield resulted per hectare and by 9,4 percent in terms of profitability and concerning the variant of 1:2 it exceeds the latter by 117,3 centner and 43,1 percent respectively as to Cardinal sort the 1:1 variant exceeds the 2:1 one by 26,2 centner and 3,7 percent and the 1:2 variant lags behind the 1:1 by 135,7 centner yield per hectare and by 86,3 percent profitability.
The above mentioned study results enable to suggest that during the green cuttings in the arid conditions at NKR equal number of fertile and infertile offshoots (1:1) should be left on the vines of both “Black Areni” and “Cardinal” sorts.

ECONOMIC EFFICIENCY OF FERTILE AND INFERTILE OFFSHOOTS RATIO IN THE VINES OF GRAPE SORTS “BLACK ARENI” AND “CARDINAL” IN THE DRY CONDITIONS OF PRE-MOUNTAINOUS AND MID-MOUNTAINOUS ZONES OF NKR /ARTSAKH/  Վճարել 369 ՀՀ դրամ եւ ներբեռնել հոդվածը “PDF” ֆորմատով
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