The effect of environmental factors on the growth, development and appearance of the introduced Ostrich Fern (Matteuccia struthiopteris) in the open is the subject of this paper.
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2. 本试验以荷叶铁线蕨为材料,通过对生态学及遗传学等方面的研究,了解其濒危的可能机制。
The experiment uses adiantum reniforme l. var. sinense y. x. lin as material to understand its mating system through the research of ecology and genetics.
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3. 对藏药蕨麻的生长规律及营养氮的变化进行了分析探讨。
We analyzed the growth pattern and the variety of nutrient nitrogen of Potentilla in diffefent season in this paper.
Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.
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5. 干旱胁迫对对开蕨光合及生理指标产生显著影响。
The photosynthetic physiology and correlative physiological indexes of Phyllitis japonica responsed to the different degrees of drought treatment significantly.
The latest progress on chemical constituents and pharmacological activity were reviewed in the paper. Main problems and study directions in future of pteris …
The latest progress on chemical constituents and pharmacological activity were reviewed in the paper. Main problems and study directions in future of pteris …