Results 101 to 110 of about 26,631 (250)

Nectar production of pear (Pyrus communis L.) cultivars

open access: yesInternational Journal of Horticultural Science, 2000
Detailed studies were made on the nectar production of 44, 16 and 18 pear cultivars, respectively, in a cultivar collection of pear during three consecutive years with highly different weather in the blooming.
P. Benedek   +2 more
doaj   +1 more source

Performance of ‘William’s’ pear grafted onto three rootstocks

open access: yesRevista Ceres
Pears are the most imported fruit from Brazil and thus, being an important opportunity to Brazilian growers. However, there are still some problems that restrict pear production, such as the lack of suitable rootstocks.
Mateus da Silveira Pasa   +5 more
doaj   +1 more source

Mycological collections of Fedor (Theodor) Bucholtz [PDF]

open access: yes, 2010
The well-known taxonomist of hypogeous fungi Fedor Bucholtz (29 Oct 1872 – 30 April 1924) was born in Warsaw; after studies in Moscow University (1891–1895) he was a professor of botany in Riga Polytechnic Institute (1897–1919) and Tartu University.
Parmasto, Erast
core   +1 more source

A SELECTION FROM PYRUS BETULAEFOLIA AS A NEW POLLINATOR FOR THE MAIN PYRUS COMMUNIS CULTIVARS

open access: yesActa Horticulturae, 2005
A selection from [i]Pyrus betulaefolia[/i] as a new pollinisator for the main [i]Pyrus communis[/i] cultivar. IX.
Le Lezec, M.   +2 more
openaire   +4 more sources

Some micromycetes on trees and bushes in forests of Boztepe district Kirsehir province (Turkey) [PDF]

open access: yes, 2015
The material of this study comprises microfungi specimens collected on trees and bushes in 2012-2014. As a result of field and laboratory studies, a total 74 species of micromycetes identified on different trees and ...
Ekici, Kadriye   +2 more
core  

ANÁLISIS INTERESPECÍFICO DE LA DIVERSIDAD GENÉTICA EN Pyrus spp. y Malus spp.

open access: yesBiotecnología en el Sector Agropecuario y Agroindustrial
Boyacá es uno de los departamentos de Colombia pionero en la producción nacional de caducifolios, especialmente duraznos, ciruelos, peras y manzanas. Con ocho cebadores Microsatélites Amplificados al Azar (RAMs) se evaluaron once materiales de manzana ...
ANA CRUZ MORILLO-CORONADO   +3 more
doaj   +1 more source

Diagnoses of pear decline and rootstock identification in young pear orchards

open access: yesCalifornia Agriculture, 1967
Pear decline has occurred predominantly with rootstocks of two oriental species, Pyrus serotina and P. ussuriensis, although there have been reports of tree losses with P. communis rootstocks.
P Catlin, A Millecan
doaj  

Evaluation of four whole-plant inoculation methods to analyze the pathogenicity of Erwinia amylovora under quarantine conditions [PDF]

open access: yes, 2008
Four methods were tested to assess the fire-blight disease response on grafted pear plants. The leaves of the plants were inoculated with Erwinia amylovora suspensions by pricking with clamps, cutting with scissors, local infiltration, and painting a ...
Concepció Moragrega   +2 more
core   +2 more sources

Різноманіття та стан деревних насаджень на вулицях Небесної Сотні та Святослава Ріхтера міста Житомира [PDF]

open access: yes, 2017
Деревні насадження є важливим елементом географічного ландшафту міст. Їм належить не лише естетична роль, але й вони виступають як фактор оздоровлення оточуючого середовища, оскільки очищають повітря від пилу та газів, збагачують його киснем та ...
Астахова, Л. Є.   +1 more
core  

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