Considered the princes of the plant world, palms are unlike many plant families in the fact that they provide both food and shelter to people, while at the same time are admired and collected for aesthetic reasons. But according to plant pathologists with The American Phytopathological Society (APS), the same genetic structure that gives the palm so many wonderful attributes is the same structure that makes them susceptible to lethal and destructive diseases.
According to Monica Elliott, plant pathology professor at the University of Floridas Fort Lauderdale Research and Education Center, the palms anatomy is more similar to that of a corn plant than that of an oak tree, with each stem having a single bud or heart. Once that tissue is damaged, death is likely. "Palms cannot repair injuries to their stems, and diligent effort must be made to prevent injuries that create opportunities for insect or pathogen invasion of the trunk," she said.
Ganoderma butt rot and Phytophthora bud rot are just two of the most problematic diseases of palms. Ganoderma butt rot, caused by the fungus Ganoderma zonatum, is prevalent in Florida, where it has been found on more than 50 palm species. "Ganoderma butt rot is always a lethal disease of palms," said Elliott. "By the time symptoms develop, usually more than half of the lower trunk has been killed by the fungus," she said. In Florida, palm trees of 58 species have died from this fungus and no effective controls are known for this disease.
Multi-institutional collaboration uncovers how molecular machines assemble
02.12.2016 | Salk Institute
Fertilized egg cells trigger and monitor loss of sperm’s epigenetic memory
02.12.2016 | IMBA - Institut für Molekulare Biotechnologie der Österreichischen Akademie der Wissenschaften GmbH
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
Broadband rotational spectroscopy unravels structural reshaping of isolated molecules in the gas phase to accommodate water
In two recent publications in the Journal of Chemical Physics and in the Journal of Physical Chemistry Letters, researchers around Melanie Schnell from the Max...
The efficiency of power electronic systems is not solely dependent on electrical efficiency but also on weight, for example, in mobile systems. When the weight of relevant components and devices in airplanes, for instance, is reduced, fuel savings can be achieved and correspondingly greenhouse gas emissions decreased. New materials and components based on gallium nitride (GaN) can help to reduce weight and increase the efficiency. With these new materials, power electronic switches can be operated at higher switching frequency, resulting in higher power density and lower material costs.
Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with partners have investigated how these materials can be used to make power...
16.11.2016 | Event News
01.11.2016 | Event News
14.10.2016 | Event News
02.12.2016 | Medical Engineering
02.12.2016 | Agricultural and Forestry Science
02.12.2016 | Physics and Astronomy