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Scotch pine pollen under conditions of environmental stress

[Text] / I. N. Tretyakova, N. E. Noskova // Russ. J. Ecol. - 2004. - Vol. 35, Is. 1. - P20-26, DOI 10.1023/B:RUSE.0000011105.90297.07. - Cited References: 28 . - 7. - ISSN 1067-4136

РУБ Ecology

Рубрики:
GERMINATION
SEED
Кл.слова (ненормированные):
pollen -- Scotch pine -- technooenic pollution -- anomalies -- pollen germination and growth -- starch

Аннотация: Environmental conditions causing stress have a significant effect on the generative organs of Scotch pine. The parameters characterizing pine pollen are subject to significant interannual variations and are closely connected with weather and climatic conditions in the period of pollen formation. Airborne pollutants affect the quality of pine pollen, which is especially apparent in the years favorable for the formation of microspores. The ability of Scotch pine pollen to germinate and form pollen tubes in the regions with different technogenic loads proved to be significantly lower than in tree stands of the background areas.

Полный текст,
WOS

Держатели документа:
Russian Acad Sci, Siberian Div, Sukachev Inst Forestry, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Tretyakova, I.N.; Noskova, N.E.

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Somatic embryogenesis in Pinus pumila and productivity of embryogenic lines during long-term cultivation in vitro

[Text] / I. N. Tret'yakova, D. N. Shuvaev // Russ. J. Dev. Biol. - 2015. - Vol. 46, Is. 5. - P276-285, DOI 10.1134/S1062360415050070. - Cited References:35 . - ISSN 1062-3604. - ISSN 1608-3326

РУБ Developmental Biology

Рубрики:
MATURE ZYGOTIC EMBRYOS
   LOBLOLLY-PINE
   CLONAL PROPAGATION
   SEED
Кл.слова (ненормированные):
Pinus pumila -- zygotic embryos -- megagametophytes -- somatic embryos -- proliferating embryogenic lines -- in vitro

Аннотация: Zygotic embryos and megagametophytes of Pinus pumila for cultivation in vitro were transferred in 1/2 LV medium supplemented with growth regulators 2,4-dichlorophenoxyacetic acid (2,4-D) and benzylaminopurine (6-BAP) to induce somatic embryogenesis. Four stably proliferating cell lines from two genotypes were derived. The cell lines differed in the number of globular somatic embryos and the weight of embryogenic calli. Cells of these lines were multiplied as a result of somatic polyembryogenesis via cleavage. In the nutrient medium for maturation, mature somatic embryos were obtained. However, somatic embryos of not all embryogenic cell lines reached maturation. In this study, plantlets were obtained in an in vitro culture for the first time.

WOS,
Scopus,
Статья

Держатели документа:
Russian Acad Sci, Sukachev Inst Forestry, Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Tret'yakova, I. N.; Shuvaev, D. N.

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