Pamphlets on Forestry in New York, Том 14 |
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Mycelium and haustoria . Development of telial horns . Teliospore germination .
Dissemination of basidiospores . Germination of basidiospores . Aecial stage . .
Inoculation and infection of apple . Effect of environmental factors . Strains of the
...
Mycelium and haustoria . Development of telial horns . Teliospore germination .
Dissemination of basidiospores . Germination of basidiospores . Aecial stage . .
Inoculation and infection of apple . Effect of environmental factors . Strains of the
...
Страница
It is probable that the mycelium develops within the tissue of the cedar for a
period of several months after infection occurs , before any material change is
noticeable . The galls first make their appearance in the latter part of July and
continue ...
It is probable that the mycelium develops within the tissue of the cedar for a
period of several months after infection occurs , before any material change is
noticeable . The galls first make their appearance in the latter part of July and
continue ...
Страница
The mycelium is similar to that found in the telial hosts except that it is
uninucleate and only a limited area of the host tissue is invaded . Effect of
environmental factors .-- It is evident that the amount of rust present in a given
season will depend ...
The mycelium is similar to that found in the telial hosts except that it is
uninucleate and only a limited area of the host tissue is invaded . Effect of
environmental factors .-- It is evident that the amount of rust present in a given
season will depend ...
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Masses of short - celled mycelium collect at certain points under the epidermis
and form the flask - shaped pycnia of the usual rust type . Hyphal branches
extend into the pycnial cavity and from the ends of these the pycnospores are
abstricted ...
Masses of short - celled mycelium collect at certain points under the epidermis
and form the flask - shaped pycnia of the usual rust type . Hyphal branches
extend into the pycnial cavity and from the ends of these the pycnospores are
abstricted ...
Страница
Many septate strands of mycelium collect beneath the surface in the diseased
area and from these the aecia are finally developed The aecia are formed
entirely within the host , but as they mature they break through the inclosing
tissue , the ...
Many septate strands of mycelium collect beneath the surface in the diseased
area and from these the aecia are finally developed The aecia are formed
entirely within the host , but as they mature they break through the inclosing
tissue , the ...
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Чести термини и фразе
acres Adirondacks amount Annual apple become believe Board called cause cedar cent Commission Committee Company Conservation Constitution cost Department desirable discussion economic effect experiments fact feet figures fire forest Forest Products Forestry Association future germination give growing growth important increase industries infection interest Lake land leaves less logs lumber manufacturing material matter means meeting method mill mycelium natural necessary organization owners Park period pine planting possible practical present Preserve President problem Professor protection question reason reforestation rust soil species spores spring stand street suggestion supply Syracuse taken thing timber tion trees wood York City York State Forestry
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