Some Seasonal Phenology Features and Resin Production Development of Scots Pine in the Conditions of Ukrainian Roztochya

L.S. Osadchuk, Yu.A. Mel'nyk, L.M. Kondratyuk

Abstract


The conformity of biological resin production of Scots pine to its phenological development and the nature development periodization is observed. The approach of beginning and end and also other certain periods in resin production can be defined according to phenological nature development using phenomena indicators. The sum of active and effective air temperatures can be used in order to forecast the optimal terms for resin production beginning and end and also define resin production periods of Scots pine.


Keywords


phenological development; resin productivity; Scots pine; air temperature

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