Results 101 to 110 of about 254,952 (203)

試験管内で育成されたポプラ(Populus tomentosa, Populus alba cv. Pyramidalis× Populus tomentosa and Populus maximowiczii× Populus plantierensis)

open access: yes, 1995
Leaf protolasts were successfully isolated from in vitro cultured plantlets of Populus tomentosa, Populus alba cv. Pyramidalis×Populus tomentosa and Populus maximowiczii×Populus plantierensis by using enzyme solution containing 1% Cellulase \u27Onozuka ...
康 才明   +5 more
core  

Nutritional indices and host preference of American white webworm, Hyphantria cunea (Lepidoptera: Arctiidae) on five host plants [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2006
The American white webworm, Hyphantria cunea Drury, is an important pest of the forest, orchards and crop plants in the Guilan province of Iran. Therefore in this study nutritional indices and host preference of the larvae were evaluated on Morus alba L.,
V. Rezaei   +3 more
doaj  

Особенности водного обмена деревьев защитной примагистральной лесополосы в условиях степной зоны Украины

open access: yesAgricultural Science, 2019
The water-holding capacity and the intensity of transpiration of the leaves of trees was investigated in shelterbelts near the track M-18 (between the cities of the Dnepr and Zaporozhye on southeast of Ukraine).
ПОНОМАРЁВА Елена   +1 more
doaj  

Effect of heavy metals (lead, cadmium and chromium) on some root morphological characteristics of Populus alba L. and Populus nigra L. seedlings [PDF]

open access: yesمجله جنگل ایران, 2015
Root morphology is one of the significant factors in success of heavy metal remediation of soils using plants where pollutant absorption takes place.
doaj  

Populus alba

open access: yes, 2019
W Quitman Street, Heber Springs, AR, UShttps://orc.library.atu.edu/populus/1001/thumbnail ...
Nash, Dakota
core   +1 more source

Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence

open access: yes, 2006
Cuttings of five Populus alba clones (S18 F1-26, A129 F8-35, J3 F1-4, GU1 F16-36, PO9 F21-88), Populus euphratica, and Populusxeuramericana (I-214) were submitted during 45 d to regular watering with NaCl solutions of electrical conductivity of 7 and 14 ...
H. Sixto   +5 more
core   +1 more source

Alcanos lineales de la cera cuticular de hojas de Populus alba, Populus deltoides (Salicaceae), Robinia pseudoacacia(Fabaceae), Ulmus pumila(Ulmaceae) y Fraxinus Americana (Oleaceae) en Tandil, Buenos Aires, Argentina

open access: yesDarwiniana, 2006
Se coleccionaron hojas maduras de ejemplares adultos de Populus alba, Populus deltoides, Robinia pseudoacacia, Ulmus pumila y Fraxinus americana del Campus Universitario, Tandil, Buenos Aires, Argentina (37° 19’S, 59° 08’O) en febrero de 2004.
María L. Bakker, Patricia I. Alvarado
doaj  

The effects of elevated carbon dioxide concentration on leaf growth and development in Populus

open access: yes, 2008
The composition of the Earth’s atmosphere is changing. Such changes can largely beattributed either directly or indirectly to anthropogenic activities. However, the effectsthat these changes will have on terrestrial vegetation in the future, represents ...
Graham, Laura Elizabeth
core   +1 more source

Assessment of the ecological functions of primary greening tree species in arid and semi-arid urban areas of northern China: a field and UAV-based approach

open access: yesEnvironmental Research Communications
In arid and semi-arid regions with limited water, evaluating the ecological functions of urban trees is essential to improve quality greening. This study evaluated the core ecological functions based on the physical traits of arbor species (cooling ...
Qilong Hao   +3 more
doaj   +1 more source

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