the enacting and mimicking of plant movements

... Genetics of virus The first process in emergence of viral disease is the vulnerability of the new host species to the virus The rate of exposure will be a function of the ecology of the two hosts and ... niche The new host may generate challenges at the level of entry of virus into the cells, replication of virus and its transmission from the host Only a small minority of the initial pool of viral ... transmitted Therefore, the preexistence of host-range mutants within the standing genetic variation in the reservoir host increases the probabilities of a successful jump to new host The amount of standing

Ngày tải lên: 05/08/2020, 23:33

... reduction of plant height at all the growth stages of the crop These results are in line with the findings of Singh and Singh (2003) who reported that decrease in plant height might be due to the fact ... weeding 30 DAS and unweeded control under subplot The results of the experiment revealed that the plant spacing 60 cm x 25 cm among the plant spacings and atrazine @ 0.50 kg ha-1 + one hand weeding ... resources and hence the plants were healthier than thick plant stands In narrow plant spacing there was more competition for available resources and hence plants were tall but weaker than wider plant

Ngày tải lên: 09/01/2020, 15:34

... experimental plant where the data were gathered The selection of the best growing seedling was based on the comparison of plant height, number of true leaves and appearance of the plant All the excess ... most of the landscapes such as the uplands, mountain chains and the more skeletal soils of the indulating plains (Kendrick & Stanley, 2001) These species are one of the most affected with the ... is the process of replanting and rebuilding the soil of disturbed land Substrate A material used as growth media for plants Waste rocks It is the result of blasting during the extraction of

Ngày tải lên: 03/08/2022, 22:59

... of Sacha inchi plant on growth 4.2 The effect of fertilizer levels on the growth of Sacha Inchi Sacha inchi through the growth of the number of leaves of the plant 34 4.3 Effect of fertilizer ... beds at the foot of the hill, which is more humid However, in general, the plant can still grow and develop thanks to the water of the sky The results of our study on the accumulation of dry matter ... levels on the number of level 1 branches in the reproductive stage of Sacha Inchi plant Figure 4.7 The graph shows the effect of fertilizer level on the length of the main branch during the reproductive

Ngày tải lên: 05/07/2023, 21:40

... including the results of the November 2001 Workshop Trang 4Management capabilities and approaches  APEC and the MRCWG have a role in liaising with IMO, FAO, NACA to enhance the effectiveness of ... management at the pre- border, border and post border levels  Need to develop awareness of the problem in APEC Economies  Need appropriate information systems and tools  Need to develop and adapt ... and unbalanced Trang 5Priorities and hazards for Economies  Variable levels of activity and management capability  Ships’ ballast water and hull fouling are the most important vectors  International

Ngày tải lên: 28/10/2013, 11:15

... SCHWARZ - SOUND and TV BROADCASTING – CCIR and FFC tv standards – Printed in the federal republic of Germany 18 3GPP2 C.S0011-C, version 2.0 – Recommended Minimum Performance Standards for cdma2000 ... Second generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications (DVB – S2) 14 Tim Williams ... Trang 1Đo kiểm đánh giá can nhiễu mạng truyền hình cáp The Measurement and Analysis of the effect of interference in Television Cable network NXB H : ĐHCN, 2012 Số trang 101

Ngày tải lên: 26/11/2013, 20:44

... between the culture medium and the air The latter is of primary importance as the air contains the carbon source for photosynthesis in the form of carbon dioxide For very dense cultures, the CO2 ... reduce the time required for upscaling The lag in growth is attributed to the physiological adaptation of the cell metabolism to growth, such as the increase of the levels of enzymes and metabolites ... Also, the quality of the harvested cells may be less predictable than that in continuous systems and for example vary with the timing of the harvest (time of the day, exact growth phase) Another

Ngày tải lên: 15/12/2013, 00:15

... increase and not by cell division The epidermis contains a densely packed layer of keratin-like proteins and is called the lorica The shape of the lorica and the profile of the spines and ornaments ... microalgae and at the same time guarantees the incorporation of high levels of EFA and vitamins in the rotifers The biochemical composition of the artificial diet Culture Selco®consists of 45% proteins, ... of the intestinal tract of the rotifers are killed as well The concentration of the disinfection products differs according to their toxicity and the initial condition of the rotifers Orientating

Ngày tải lên: 15/12/2013, 00:15

... delivery of vitamins, chemotherapeutics and vaccines Furthermore, a better knowledge of the biology of Artemia was at the origin of the development of other Artemia products, such as disinfected and ... expansion of aquaculture production in the 1970’s, the demand for Artemia cysts soon exceeded the offer and prices rose exponentially, turning Artemia into a bottleneck for the expansion of the hatchery ... is the common feature determining the presence of Artemia, the impact of other parameters (temperature, primary food production, etc.) may at most affect the abundance of the population and

Ngày tải lên: 15/12/2013, 00:15

... and hatchability Hatchability of cysts is largely determined by the conditions and techniques applied for harvesting, cleaning, drying and storing of the cyst material The impact of most of these ... involves the hydration of the cysts (as complete removal of the envelope can only be performed when the cysts are spherical), removal of the brown shell in a hypochlorite solution, and washing and ... release over 80% of their cellular water, and upon interruption of the aeration, the now coffee-bean shaped decapsulated cysts settle out After harvesting of these cysts on a mesh screen they should

Ngày tải lên: 15/12/2013, 00:15

... 1986) On the other hand, instar II stages may be more susceptible to digestive enzyme breakdown in the gut of the predator since these enzymes can also penetrate the digestive tract of the Artemia ... understood and may be satisfied through the consumption of seawater, the main concern regarding the mineral composition of Artemia is whether they meet the requirements of fish or crustacean larvae reared ... (use of cover) and focusing a light source on the transparent conical part of the bottom Nauplii should not be allowed to settle for too long (i.e., maximum 5 to 10 min.) in the point of the conical

Ngày tải lên: 15/12/2013, 00:15

... soils, often found in mangrove areas When exposed to the air, the pyrite of these soils oxidizes to form sulfuric acid Of course liming of these soils is possible However, the quantities of lime ... the acidity of the bottom The use of organic fertilizers increases the risk of infections This risk can be reduced by composting the manure before use One of the main disadvantages of organic ... large, deep and have well constructed dikes Through aging and the development of algal mats their bottoms are properly sealed Therefore the only adaptation needed is the installation of screens

Ngày tải lên: 15/12/2013, 00:15

... aware that the greater the surface area of the net the more effective and rapid the filtration Hence, the upper limit of the dimensions of the nets depends on the ease of handling rather than ... filtration and prevent losses due to the narrow and strong back current The longer the distance between the propeller and the net, the wider and shorter the net can be The distance between the propeller ... gates The amount of zooplankton collected depends on the zooplankton concentration in the water flowing out of the reservoir and on the volume of the water leaving the reservoir Again, the nets

Ngày tải lên: 15/12/2013, 00:15

... feeders) and for locomotion The anterior part of the trunk, the postabdomen is turned ventrally and forward and bears special claws and spines to clean the carapace (Fig 6.1.) Species of the genus ... The parthenogenetic eggs (their number can vary from 1 to Trang 2300 and depends largely upon the size of the female and the food intake) are laid in the brood chamber shortly after ecdysis and ... particles from the water The efficiency of the filter allows even the uptake of bacteria (approx 1µm) In a study on the food quality of freshwater phytoplankton for the production of cladocerans,

Ngày tải lên: 15/12/2013, 00:15

... – THE STRUCTURE AND DEVELOPMENT OF THE CEREAL PLANT 24 THE WHEAT BOOK THE WHEAT BOOK CHAPTER – THE STRUCTURE AND DEVELOPMENT OF THE CEREAL PLANT THE STRUCTURE AND DEVELOPMENT OF THE CEREAL PLANT ... structure of the stem and leaf of the wheat plant 27 CHAPTER – THE STRUCTURE AND DEVELOPMENT OF THE CEREAL PLANT DESCRIPTION OF THE WHEAT PLANT THE WHEAT BOOK (continued) at their bases, so the oldest ... parts of a leaf are the tip of the blade and the top of the sheath Where the blade and sheath join, there are structures called the ligule and the auricles (Figure 2.3) Characteristics of the shoot...

Ngày tải lên: 08/03/2014, 23:20

... pull them out of the ground, eat just the base of the new stem, and then discard them Once the new leaves are well developed, however, they leave the remaining plants untouched and depart And they ... acids and synchronise their breeding and the raising of their young with times when the plants provide the greatest amount and concentration of these They might increase the concentration of this ... graze leaves None of them, however, will eat the leaves of just any plant, and a great number of them are ‘host-specific’; they will eat the leaves of only one species of plant The common cabbage...

Ngày tải lên: 22/03/2014, 19:20

... Code of Practice for Care and Handling of Pigs (1984); Recommended Code of Practice for the Care and Handling of Special Fed Veal Calves (1988); Recommended Code of Practice for the Care and Handling ... Handling of Mink (1988); Recommended Code of Practice for the Care and Handling of Ranched Fox (1989) This code is an updated version of the 1983 publication on the care and handling of chickens, and ... chilling of the chicks Depending on the type of housing used, brooding temperature on the first day of life should range from 29 to 32oC (82-9 0oF) at the eye level of the chicks Thereafter, the temperature...

Ngày tải lên: 31/03/2014, 08:20

... experiment time (min) The primary function of the frontalis is to raise the eyebrow; hence, contraction of the frontalis often accompanies movement of the skin proximal to the eyebrow Muscle-contraction ... signal is generated by the unfused mechanical activities of motor units The bulk movement of the muscle and asynchronous activation of fibers at the initiation and end of contraction creates ... manner that they normally would when seated at a desk: they were free to blink, sway their chair slightly, move their head and talk without moving their eyebrows or the strap The number of true positives...

Ngày tải lên: 19/06/2014, 08:20

... Germany) and J.T Baker (Deventer, The Netherlands) For chemical analysis, standard stock solutions of the analytes and the internal standards were prepared both in methanol and hexane and stored ... constituents on the toxicity of the recombinant samples under dry weather conditions An influence of flow conditions on the substance- and toxicity-related removal efficiency of the STP and thus on the harmful ... Page of 13 Figure Impact of precipitation on wastewater flow Summary of the relationship between the daily amount of precipitation in the area of Trier and the wastewater flow per day in the influent...

Ngày tải lên: 20/06/2014, 20:20

... contributions ADD and AM initiated the project HFD, DJ and LG designed the DB LG and DJ designed the web interface and implemented the DB and associated tools and developed the source code of the web application ... visualization and analysis Two factors, tissue (Seed vs Flesh) and developmental stage, were clearly identified and guided the coding of the biological samples and the organization of the data in the database ... quality of the spectra and the metadata during the review process, as they will have been provided with special logins The curation process is therefore partly carried out by the reviewers of the...

Ngày tải lên: 11/08/2014, 11:21