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Journals and Conferences
In Scotch pine ( Pinus sylvestrus L.), individual variation in gas resistance was revealed (Mamaev and Nikolaevskii, 1968; Shkarlet, 1974; Makarov, 1980; Novikov, 1990). As the needles are directly… (More)
The life span of pine needles is often regarded as an adaptive character in relation to unfavorable environmental factors (Pravdin, 1964). In addition to natural aging, needle loss is promoted by… (More)