Results 21 to 30 of about 55,426 (293)

A new disease of kumquat (Fortunella margarita) caused by Colletotrichum karsti: twig and branch dieback

open access: yesPhytopathologia Mediterranea, 2023
Citrus fruit crops are important in many countries. Anthracnose, post bloom fruit drop, fruit stem-end rot, twig and branch dieback and gummosis, caused by Colletotrichum spp., are diseases that seriously threaten citrus production.
Giuseppa Rosaria LEONARDI   +5 more
doaj   +1 more source

Aspects of the Feeding Behavior of \u3ci\u3eScolytus Multistriatus\u3c/i\u3e (Marsham) (Scoltytidae: Coleoptera) and Implications for Control [PDF]

open access: yes, 2017
(excerpt) Successful protection of elm trees can only be accomplished by means of thorough understanding of the feeding behavior of the smaller European elm bark beetle, Scolytus multistriatus (Marsham). Wolfenbarger and Buchanan (1939) and Whitten (1958)
Butcher, J. W, Riedl, H
core   +2 more sources

Influence of tree water potential in inducing flowering in Rhododendron arboreum in the central Himalayan region

open access: yesiForest - Biogeosciences and Forestry, 2016
Rise in temperature has been reported as the principal cause of variation in flowering phenology in several tree species around the globe. In this study, we hypothesized that not only temperature but also rainfall periodicity, soil moisture and the ...
Tewari A, Bhatt J, Mittal A
doaj   +1 more source

Chemical Composition, Antibacterial and Antifungal Activities of Different Parts Essential Oils of var. From Taiwan

open access: yesNatural Product Communications, 2023
This study examined the chemical composition and antimicrobial activities of essential oils isolated from the leaves, twigs, and fruits of Neolitsea sericea var. aurata from Taiwan. The major compounds responsible for antimicrobial activity were isolated
Jiann-Gwo Shyu   +6 more
doaj   +1 more source

Cytotoxic and antiproliferative effects of Streblus asper from northeastern Thailand on A549 lung cancer cells

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca, 2023
Thailand's second-leading cause of death is lung cancer. Thai indigenous herbal plants are sought after as an alternative treatment against lung cancer.
Thipphiya KARIRAT   +10 more
doaj   +1 more source

The Coolidge-Nagata conjecture, part I [PDF]

open access: yes, 2014
Let $E\subseteq \mathbb{P}^2$ be a complex rational cuspidal curve contained in the projective plane and let $(X,D)\to (\mathbb{P}^2,E)$ be the minimal log resolution of singularities. Applying the log minimal model program to $(X,\frac{1}{2}D)$ we prove
Palka, Karol
core   +1 more source

Scaling relationships of twig biomass allocation in Pinus hwangshanensis along an altitudinal gradient. [PDF]

open access: yesPLoS ONE, 2017
Understanding the response of biomass allocation in twigs (the terminal branches of current-year shoots) to environmental change is crucial for elucidating forest ecosystem carbon storage, carbon cycling, and plant life history strategies under a ...
Man Li   +4 more
doaj   +1 more source

Chemical Compositions and Anti-Mildew Effects of Leaf and Twig Essential Oils on Paper

open access: yesNatural Product Communications, 2022
In this study, we evaluated the anti-mildew effects of paper treated with essential oils of leaves, twigs, and their main constituents from Cinnamomum micranthum .
Kuang-Ping Hsu   +5 more
doaj   +1 more source

Effects of Enhanced Resistance and Transcriptome Analysis of Twig Blight Disease by Exogenous Brassinolide in Myrica rubra

open access: yesAntioxidants, 2023
Twig blight disease is the primary disease that affects the production of Myrica rubra in China. It was reported that exogenous brassinolide (BL) can improve disease resistance in plants.
Zheping Yu   +6 more
doaj   +1 more source

Composition, antioxidant and antimicrobial activity of the essential oils of a full grown tree of Pinus cembra L. from the Calimani mountains (Romania) [PDF]

open access: yesJournal of the Serbian Chemical Society, 2013
This study was carried out to investigate the chemical composition, the antioxidant and antimicrobial effects of the essential oils of Pinus cembra L. needles and twigs. The chemical composition was analyzed using both GC and GC-MS techniques.
Apetrei Lungu Cristina   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy