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Bulletin of Botanical Research 1959 Vol.0 Please wait a minute... For Selected: Download Citations EndNote Ris BibTeX Toggle Thumbnails Select PLANTAE NOVAE ET MINUS COGNITAE CHINAE BOREALI-ORIENTALIS 1. PLANTAE TSCHANBAISCHANENSIS Yi-Liang Chou Bulletin of Botanical Research    1959, 0 (1): 3-25.   Abstract （423）      PDF（pc） （1317KB）（275）       Knowledge map    Save Related Articles | Metrics Select ALGAE NOVAE ET MINUS COGNITAE CHINAE BOREALI-ORIENTALIS.I B. V. Skvortzov Bulletin of Botanical Research    1959, 0 (1): 27-31.   Abstract （535）      PDF（pc） （310KB）（197）       Knowledge map    Save Related Articles | Metrics Select PRELIMINARY STUDIES ON THE GERMINATION OF POLLEN GRAINS IN PINUS SYLVESTRIS VAR. MONGOLICA Pei-Kao Chang Bulletin of Botanical Research    1959, 0 (1): 33-37.   Abstract （387）      PDF（pc） （276KB）（216）       Knowledge map    Save (1) At constant temperature, around 24℃ and in 0.2N solution of suerose, the garmination and tube growth of pollen of Pinus sylvestis var. mongolica was maximal.(2) Tho pollen of Pinus sylvastris vat. mongoliea stored in RH 60% and at 0~-2℃ could be retained viability more than 1 year.(3) In the higher temperatura, above 40℃, the pollen of Pinus sylvestris vat. mongolica vary soon losad its gorminating power.(4) When the pollen of Pinus sylvestris var. mongolica was treated by lower temperatura (-20℃)for 1-7hr., its geminating power had not been affected by this treatment. Related Articles | Metrics