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1.
The biology and host specificity of the seed-feeding bruchids,Acanthoscelides quadridentatus (Schaeffer) andA. puniceus Johnson, from Mexico were studied in quarantine facilities in Australia. Distinguishing characters in the genitalia of each
species are illustrated. Oviposition was recorded on 16 of 73 species of plants tested but larvae died without entering pods
or seeds, except onMimosa invisa K. F. P. von Martius andM. pigra L. Larvae entering seeds ofM. invisa died in the first instar. The bruchids were clearly specific toM. pigra and were subsequently released as part of a program for biological control of this weed in the Northern Territory, Australia
in April 1983 and thailand in July 1984.
相似文献
2.
P. Fleurat-Lessard S. Bouché-Pillon C. Leloup W. J. Lucas R. Serrano J. -L. Bonnemain 《Protoplasma》1995,188(3-4):180-185
Summary Immunocytochemical techniques were employed to study the spatial distribution of the plasma membrane H+-ATPase within various cell types of the young reactive primary pulvinus ofMimosa pudica L. These cells were interconnected by large numbers of plasmodesmata, being concentrated within pit-fields. Although we could routinely detect evidence of the H+-ATPase along the plasma membrane, immunolabelling was rarely, if ever, observed along the plasma membranes of the plasmodesmata. This finding is discussed with respect to the likely specialized supramolecular structure of the plasmodesma.Abbreviations SEL
size exclusion limit of plasmodesmata 相似文献
3.
Timothy A. Heard 《Entomologia Experimentalis et Applicata》1995,76(2):203-209
The oviposition and feeding preferences ofCoelocephalapion aculeatum Fall (Coleoptera: Apionidae), a host specific florivore ofMimosa pigra L. (Mimosaceae), were studied in relation to conspecific damage to its hostplant. Adults ofC. aculeatum cease ovipositing in inflorescences when the egg load reaches a number consistent with the larval carrying capacity of the
inflorescence. The basis for this oviposition deterrence was examined by offering inflorescences damaged by adult feeding
alone, larval feeding alone and a combination of adult feeding and oviposition. Adults preferred to oviposit on inflorescences
which are not damaged by either adult feeding, larval feeding, or oviposition. No evidence for the existence of an oviposition
deterring pheromone (ODP) was found. I suggest that the ability of a single host inflorescence to support the development
of many larvae causes selection for the use of these oviposition deterring cues which can convey more quantitative information
about the level of previous infestation than can ODPs. Adults fed a similar amount on damaged compared to undamaged inflorescences.
These results assisted in the design of host range testing trials and allows predictions to be made about the effectiveness
of this insect as a biological control agent. 相似文献
4.
Takeshi Abe 《Journal of plant research》1980,93(3):247-251
The shortening and action potential of the upper and lower cortices of the main pulvinus ofMimosa pudica were recorded simultaneously. The shortening and action potential were observed only in the lower cortex. The extensibility
and the excitability of the cortex are discussed. 相似文献
5.
Arne B.R. Witt Kelvin S. Floyd Winnie Nunda Tim Beale Griffin Shanungu Darren J. Kriticos 《Austral ecology》2020,45(6):788-799
The semiaquatic weed Mimosa pigra has negative impacts on biodiversity, fishing, crop and livestock production, and tourism in most places where it has been introduced, established and proliferated. Many of the ecological impacts are well known, but its impacts on rural livelihoods are less well documented, especially in Africa. We mapped the distribution of M. pigra in eastern and southern Africa, and then compared that with its potential distribution based on an ecoclimatic niche model. Household interviews were conducted to assess the impacts of this weed on local livelihoods. Mimosa pigra was found to be invasive in western Ethiopia, around the shores of Lake Victoria and Lake Tanganyika, and along the Tanzanian coastline, northern Malawi, parts of Mozambique and along the Kafue River and in the Barotse floodplain on the Zambezi River in Zambia. According to respondents living along the Kafue River floodplains in Zambia, it has a negative impact on biodiversity, wildlife, livestock, crop production, fishing and mobility. Dense stands prevented the movement of people and livestock, limiting access to croplands, grazing lands and fishing areas. Fish catches have been reduced and fishing equipment damaged. All respondents agreed that their livelihood options would be considerably enhanced if M. pigra was removed from the landscape. Based on its current and potential impact, we therefore recommend that an integrated management plan be developed and implemented, including the appropriate use of biological control agents to reduce the negative impacts of the weed. 相似文献
6.
Bruno de Sousa-Lopes Alexandra Bächtold 《Studies on Neotropical Fauna and Environment》2016,51(2):135-143
We investigated the temporal fluctuation of the geometrid moth Oospila pallidaria and related it to the leaf flush season of its host plant, Mimosa setosa, and to environmental factors. Aspects of the natural history of adults are also described. Mimosa setosa produced leaves all year round, but abundance of O. pallidaria larvae in the field was seasonal. The abundance of immatures showed a tendency to decrease with rainfall and temperature. Our study is pioneering in that it provides insights into factors related to the occurrence of O. pallidaria in natural areas. In addition, the biology of immatures is provided. 相似文献
7.
H. S. Patii Siddharth Vaijapurkar 《仿生工程学报(英文版)》2007,4(1):19-23
Many structural and functional properties possessed by plants have great potentials to stimulate new concepts and inno-vative ideas in the field of biomimetic engineering. The key inputs from biology can be used for creation of efficient and op-timized structures. The study of the geometry and folding pattern of leaves of Mimosa pudica,referred as Sensitive Plant,reveals some of the peculiar characteristics during folding and unfolding. When the leaf is touched,it quickly folds its leaflets and pinnae and droops downward at the petiole attachment. With the help of experiments on simulation model,the variations in angle of leaflets and degree of compaction after folding are investigated. 相似文献
8.
CYRIL BONTEMPS GEOFFREY N. ELLIOTT† MARCELO F. SIMON‡ FÁBIO B. DOS REIS JÚNIOR § EDUARDO GROSS¶ REBECCA C. LAWTON NICOLAU ELIAS NETO MARIA de FÁTIMA LOUREIRO SERGIO M. DE FARIA†† JANET I. SPRENT‡‡ EUAN K. JAMES§§ J. PETER W. YOUNG 《Molecular ecology》2010,19(1):44-52
Burkholderia has only recently been recognized as a potential nitrogen-fixing symbiont of legumes, but we find that the origins of symbiosis in Burkholderia are much deeper than previously suspected. We sampled 143 symbionts from 47 native species of Mimosa across 1800 km in central Brazil and found that 98% were Burkholderia . Gene sequences defined seven distinct and divergent species complexes within the genus Burkholderia . The symbiosis-related genes formed deep Burkholderia -specific clades, each specific to a species complex, implying that these genes diverged over a long period within Burkholderia without substantial horizontal gene transfer between species complexes. 相似文献
9.
Thiago Paes de Barros De Luccia 《Plant signaling & behavior》2012,7(9):1163-1167
Some studies showed that anesthetics reduce the response of physical stimuli in Mimosa pudica and in Venus Flytrap (Dionaea muscipula), peculiar plants that have the ability to respond to touch stimuli. In this research we tested the effects of ketamine, lidocaine, diethyl ether, and amlodipine on the movements of Mimosa pudica and Venus Flytrap. With a literature review, we tried to bring elements to theorize about the interaction of these substances with these plants. The angular displacement in Mimosa´s petiole and in Dionaea leaves is what was measured to compare the drugs group with control groups. 相似文献
10.