Results 21 to 30 of about 36,337 (226)

A morte precoce do pessegueiro no estado do Rio Grande do Sul, Brasil

open access: yesAgrociencia Uruguay, 2021
A morte precoce do pessegueiro é uma síndrome que provoca severos danos às plantas, normalmente com idade entre um e oito anos, podendo levar à morte da copa.
Newton Alex Mayer, Bernanrdo Ueno
doaj   +1 more source

Human Impacts on Forest Biodiversity in Protected Walnut-Fruit Forests in Kyrgyzstan [PDF]

open access: yes, 2014
We used a spatially explicit model of forest dynamics, supported by empirical field data and socioeconomic data, to examine the impacts of human disturbances on a protected forest landscape in Kyrgyzstan.
Abdymomunov R. A.   +47 more
core   +2 more sources

037 EVALUATION OF XYLELLA FASTIDIOSA IN PRUNUS SPP. [PDF]

open access: yesHortScience, 1994
Forty eight cultivars, species, and their progeny including Prunus americana P. angustifolia, P. cerasifera P. munsoniona, P. salicina, P. simoni, and P. triflora were evaluated for resistance to Xylella fastidiosa based on percent of scalded leaves and tree longevity. Observations indicate that resistance is heritable and controlled by recessive genes.
J.D Norton   +3 more
openaire   +1 more source

Foodplant Processing Adaptations in Four \u3ci\u3eHyalophora\u3c/i\u3e Species (Lepidoptera: Saturniidae): Regional and Taxonomic Specialization [PDF]

open access: yes, 2017
To determine whether local populations of four Hyalophora species (Lepidoptera: Satumiidae) had improved survival or were physiologically adapted for rapid and/or efficient growth on their local hosts, a series of larval feeding studies were conducted ...
Grabstein, Eric, Scriber, J. Mark
core   +2 more sources

Efeito do comprimento de estacas herbáceas de dois clones de umezeiro (Prunus mume Sieb & Zucc.) no enraizamento adventício Effect of the length of herbaceous cuttings of two clones of japanese apricot (Prunus mume Sieb & Zucc.) in adventicious rooting

open access: yesRevista Brasileira de Fruticultura, 2002
O umezeiro (Prunus mumeSieb & Zucc.) é uma rosácea de folhas caducas, nativa da China, cujos frutos e flores são muito apreciados pelos povos orientais.
NEWTON ALEX MAYER   +2 more
doaj   +1 more source

Adventitious rooting of cultivars and clonal selections of Prunus spp. rootstock under intermittent mist system

open access: yesRevista Ceres, 2021
To reduce peach tree losses due the Peach Tree Short Life (PTSL), the main research line in Brazil is to select tolerant rootstock and perpetuate it by cloning methods.
Newton Alex Mayer   +2 more
doaj   +1 more source

Prunus serotina unleashed: invader dominance after 70 years of forest development [PDF]

open access: yes, 2009
Propagule pressure and disturbance have both been found to facilitate invasion. Therefore, knowledge on the history of introduction and disturbance is vital for understanding an invasion process, and research should focus on areas in which the invasive ...
Baeten, L.   +6 more
core   +3 more sources

Occurrence and eradication of Plum pox virus on Ornamentals in Korea, 2016-2017

open access: yesResearch in Plant Disease, 2019
Plum pox virus (PPV) is a significant viral disease in Prunus spp. worldwide. A nationwide survey was started in Prunus spp. orchards, since PPV was first detected from peach in Korea, 2015. During 2016-2017, samples were collected from 30,333 trees in 1,
Mikyeong Kim   +20 more
doaj   +1 more source

Hawthorn Lace Bug (Hemiptera: Tingidae), First Record of Injury to Roses, with a Review of Host Plants [PDF]

open access: yes, 2017
Hawthorn lace bug, Coryrhucha cydoniae (Fitch), is reported for the first time as damag- ing roses. Injury to climbing and hybrid Tea roses is described, and a list of known host plants is provided based on observations in Pennsylvania and review of ...
Wheeler, A. G, Jr
core   +2 more sources

Cryopreservation of Prunus spp. using aluminium cryo-plates

open access: yesScientia Horticulturae, 2015
Abstract Cryopreservation using aluminium cryo-plates was successfully applied to in vitro-grown shoot tips of two Prunus genotypes, cherry plum (Prunus cerasifera Ehrh.) and the plum cultivar ‘Požegaca’ (Prunus domestica L.). Shoot tips were dissected from the shoots and precultured for 1 day at 23 °C in the dark on Murashige and Skoog medium ...
Tatjana Vujović   +3 more
openaire   +4 more sources

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