esc-sec ca/annmeet html *1st INTERNATIONAL SYMPOSIUM ON HORTICULT

esc-sec.ca/annmeet.html *1st INTERNATIONAL SYMPOSIUM ON HORTICULTURAL INSECTS MANAGEMENT 05–08 November Amman, JORDAN Info: M. Ateyyat, E-mail: [email protected] *METHYL BROMIDE ALTERNATIVES OUTREACH MEETING 06–08 November Orlando, FL, USA Info: MBAO, 6556 N. Dolores Ave., Fresno, CA 93711, USA. Fax: 1-559-449-9037. Voice: 1-559-449-9035.E-mail: [email protected]: www.mbao.org *6th MEETING ON INDUCED RESISTANCE IN PLANTS AGAINST PATHOGENS 19–21 November Vicosa, MG, BRAZIL Info: F. Rodrigues, E-mail: [email protected] *INTERNATIONAL

SYMPOSIUM ON FOOD SECURITY DILEMMA: PLANT HEALTH AND CLIMATE CHANGE ISSUES 07–09 December Kalyani, GSK2118436 in vivo INDIA Info: M.R. Khan, Fax/Voice: 91-33-250-25235. E-mail: [email protected]: http://www.aappbckv.org 2013 *12th INTERNATIONAL PLANT VIRUS EPIDEMIOLOGY SYMPOSIUM 28 January–01 FebruaryArusha, TANZANIA L. Kumar, E-mail: [email protected]: http://www.iita.org/ipve *1V INTERNATIONAL CONGRESS ON INSECT SCIENCE 14–17 FebruaryBangalore, INDIA Info: http://www.icis2013.in INTERNATIONAL HERBICIDE RESISTANCE

CONFERENCE 18–22 February Perth, AUSTRALIA S. Powles, AHRI, School of Plant Biol., Univ. of Western Australia, 35 Stirling Hwy., Crawley, Perth 6009, WA, AUSTRALIA Fax: 61-8-6488-7834 Voice: 61-8-6488-7870 E-mail: [email protected] *17th INTERNATIONAL REINHARDSBRUNN BGB324 SYMPOSIUM ON MODERN FUNGICIDES AND ANTIFUNGAL COMPOUNDS 21–25 April Friedrichroda, GERMANY Info: http://tinyurl.com/6mntxsa *INTERNATIONAL SYMPOSIUM ON ADJUVANTS TO AGROCHEMICALS 22–26 April Foz do Iguacu, BRAZIL Info: P. CastelaniVoice: 55-11-4478-3418E-mail: [email protected] Web: http://tinyurl.com/7h2jcmj *16th EUROPEAN WEED RESEARCH SOCIETY SYMPOSIUM 24–27 June

Samsun, TURKEY Info: Abiraterone in vitro [email protected] Info: http://tinyurl.com/7vpwrv3 AMERICAN PHYTOPATHOLOGICAL SOCIETY ANNUAL MEETING 10–14 August Providence, RI, USA Info: APS, 3340 Pilot Knob Rd., St. Paul, MN 55121, USAFax: 1-651-454-0755 Voice: 1-651-454-3848 E-mail: [email protected] Web: www.apsnet.org *150th ENTOMOLOGICAL SOCIETY OF ONTARIO ANNUAL MEETING, jointly with the ENTOMOLOGICAL SOCIETY OF CANADA 18–24 October Guelph, ONT, CANADA Info: N. McKenzie E-mail: [email protected] Web: http://www.entsocont.ca Full-size table Table options View in workspace Download as CSV “
“El-Serag HB. Epidemiology of viral hepatitis and hepatocellular carcinoma. Gastroenterology 2012;142:1264–1273. In figure 1 of the above article, the box labelled “Men,” in the figure key, should correctly be shaded in the color blue. The box labelled “Women,” in the figure key, should correctly be shaded in the color yellow. The key for figure 1 has been corrected as shown below and in the online version of the article. “
“Corrigendum for acknowledgement In Asia today rice’s most serious pest problems are rice planthoppers.

Under acidic conditions, calcium and magnesium supply is reduced

Under acidic conditions, calcium and magnesium supply is reduced and plant growth suffers. In addition to these effects, other beneficial nutrients, such as nitrogen, phosphorus, and sulfur, are also in deficient concentration. The low yields of groundnut are due to poor pod filling in acid soils, owing to poor calcium-supplying power of soils. For meeting calcium demands and creating favorable conditions for better uptake of other essential nutrients, particularly phosphorus, liming is an important management practice in acid soils. The improvement of these acid soils should also aim at eliminating

the toxic effects of Al and Mn. The Vincristine harmful effects of soil acidity can be eliminated by raising pH with suitable quantities of lime. Liming helps in raising the base saturation of the soil Selumetinib molecular weight and inactivating iron, aluminum, and manganese in the soil solution. Liming also helps to minimize phosphate fixation by iron and aluminum. Kamprath [8] reported the need for raising soil pH beyond the point of neutralizing

exchangeable aluminum, particularly for legumes. Recently, high-yielding cultivars of ricebean in northeastern states of India including Nagaland have been developed with extra short duration, bold seed, and dwarf plant types suitable for cultivation. These cultivars must be evaluated under different levels of lime in acid soils of the Nagaland foothills in the post-rainy season. The present investigation

was undertaken with the following objectives: (i) to evaluate the effect of lime on growth, yield attributes, yield, economics, and quality parameters, (ii) to evaluate the effect of lime on soil health, and (iii) to prescribe the best ricebean cultivars under foothill conditions during the post-rainy season. The field experiment was conducted during the post-rainy seasons of 2010–2011 and 2011–2012 at the Agricultural Lonafarnib supplier Research Farm of ICAR, RC for NEH Region, Nagaland Centre, Jharnapani, Nagaland, India. The experimental site was located at 25.45° N latitude 93.53° E longitude with a mean altitude of 295 m ASL. The climate of the experimental site was subtropical with high humidity and medium to high rainfall. The soil was sandy loam and acidic in reaction (pH 4.9). The soil contained 0.95% oxidizable organic carbon, 235 kg ha− 1 mineralizable nitrogen, 136 kg ha− 1 available potassium, and 10.3 kg ha− 1 available phosphorus. During the experimental period the maximum and minimum temperatures varied from 23.0 °C to 31.1 °C and 9.7 °C to 24.0 °C, respectively, during 2010–2011 and 24.3 °C to 31.2 °C and 9.5 °C to 24.2 °C during 2011–2012. The maximum and minimum relative humidities ranged from 75% to 84% and 38% to 67%, respectively, during 2010–2011 and 78% to 85% and 78% to 63% during 2011–2012. Total precipitations of 225.2 mm and 315.

, 2001; Boehm, 2003; Liu et al , 2006 and Thupaki et al , 2010)

, 2001; Boehm, 2003; Liu et al., 2006 and Thupaki et al., 2010). Recreational beach use, especially in California (where surfing is common), is not limited to the shoreline. This

makes it selleck products important to evaluate FIB contamination and the processes controlling it over wider recreational domains where physical processes are different, and FIB survivorship may also change (Davies-Colley et al., 1994 and Kim et al., 2004). Here we present results from an along and cross-shore resolved field program with joint physical and bacterial observations designed to identify the dominant mechanisms controlling FIB variability within (and seaward) of the surfzone. By directly measuring currents out to 300 m cross-shore, we both enable the evaluation FIB flow fields IDH targets over appropriate recreational domains, and avoid estimating current velocity from wave direction or alongshore drift, which has increased uncertainty in other models (Boehm, 2003; Kim et al., 2004). In the present paper we focus on quantifying the contribution of physical processes (advection and diffusion) to observed FIB patterns, and developing a best-fit physical model from this analysis. The contribution of biological processes to nearshore FIB variability is addressed in Rippy et al. (2012). Southern California’s Huntington State Beach is ∼3.2 km long, with chronically poor surfzone water

quality (Grant et al., 2001 and Kim

et al., 2004). At its southern end, the beach receives brackish flows from the Talbert Marsh (TM) and the Santa Ana River (SAR), both of which have been implicated as sources of surfzone FIB (Kim et al., 2004). In fall 2006, a multi-institutional field campaign (“HB06”) focused on observing nearshore waves, currents, temperature, phytoplankton, and FIB at this beach. The present study concerns the bacterial component of HB06, a 5-h FIB survey with high spatial and temporal resolution conducted on October 16th along transects extending 1 km north of the TM/SAR outlets, and 300 m offshore. FIB concentrations were measured at 8 stations: 4 in knee-deep water along a 1000 m alongshore transect north of SAR (SAR, TM, FHM, F1; Fig. 1), and 4 along a 300 m cross-shore transect starting at F1 (knee-deep Thalidomide water), and terminating at an offshore Orange County Sanitation District mooring (OM) in ∼8 m mean water depth (F1, F3, F5, F7, OM; Fig. 1). Every 20 min, from 0650 h to 1150 h PDT, 100 ml water samples were taken at all stations. Samples were stored on ice and transported to the Orange County Sanitation District (OCSD) within 6 h of collection. All samples were analyzed for Escherichia coli (IDEXX Colilert) and Enterococcus (EPA method 1600) concentrations by OCSD personnel. Temporal rates of FIB loss were estimated for each station from regressions of log (FIB) versus time.

e 445, 490, 555, 645 and 665 nm) Regardless of this evident lim

e. 445, 490, 555, 645 and 665 nm). Regardless of this evident limitation, it seems to be a significant and meaningful result that the formulas found here to be the most effective clearly demonstrate a potential for retrieving information on suspended matter in the Baltic Sea using the red part of the remote-sensing reflectance spectrum. This particular result is in agreement with the conclusion reported much earlier by Siegel and his collaborators (see e.g. Siegel et

al. (1994) and the list of works cited there). Those authors showed that for the case of the Baltic Sea one could achieve a distinct improvement in the accuracy of remote sensing algorithms for estimating suspended matter, chlorophyll, and Selleckchem IWR1 also yellow substance and euphotic depth, with the use of red wavelengths in the reflectance ratios. They proposed various algorithms for the different satellite instruments of that time (i.e. for CZCS, SeaWiFS and (planned at that time) the MERIS instrument) using, among others, the 670 and 710 nm bands in the red part of the light spectrum.

Nevertheless, the possibility of using red band reflectance has also been reported for different coastal environments, especially for determining the suspended matter mass concentration. For Afatinib concentration example, Ahn et al. (2001) suggested using reflectance values in the 625 nm band as optimal for SPM concentration retrieval in coastal regions of the Korean peninsula (the equation they suggested was SPM = 647.8(Rrs(625))0.86). The possibility of estimating SPM using Band 1 of the MODIS sensor was also discussed Y-27632 2HCl in a few other papers (we recall that MODIS Band 1 is a relatively broad spectral band (620–670 nm), with a nominal centre wavelength of 645 nm, originally not designed for ocean colour applications but rather for detecting land/cloud/aerosols boundaries, and providing data with a spatial resolution of up to 250 m, see e.g. the documentation available at http://oceancolor.gsfc.nasa.gov). Linear relationships for SPM as functions of values obtained

for that band were given by Miller & McKee (2004) for data from selected coastal environments of the Gulf of Mexico, by Rodriguez-Guzman & Gilbes-Santaella (2009) for a tropical open bay in western Puerto Rico, and by Wang et al. (2012) for the Bohai Sea of China. In another work, Wong et al. (2007) pointed out the possibility of using different combinations of MODIS sensor bands (among which there was also a Band 1) for data from coastal regions of Hong Kong. But in case of the Baltic Sea data analysed here, the formula  (9) using a blue-to-red ratio (Rrs(490)/Rrs(645)) seems to be more effective than formula  (8), which is based on the absolute reflectance value in the red band (Rrs(645)).

Circumstantial evidence supports the association

Circumstantial evidence supports the association selleck chemical of CL/P to the transition from natural unprocessed foods to processed, calorie condensed, Western-type foods [92]. At this time a mixed diet with higher amounts of fruits (including those from the Cucurbitaceae family), Crucifereae vegetables, beets varieties, cold-pressed vegetable oils and moderate amounts of red meat and fish seems to be the best recipe for nutritional support for the prevention of malfunctions related to notoptimal

nutrition. We should keep in mind, that there is a need for interventional studies, in order to assess potential benefits and to optimize dietary recommendations and thus maternal periconceptional status. Past and current dietary guidelines have not considered the dramatic differences on the individual’s physiological response to changes to nutrient intake [12]. However, these differences in response may greatly affect the efficacy of these recommendations at the individual level. The past few years have witnessed great advances in gene-identification for abnormal palatogenesis [9]. Through variant metabolic pathways and variant growth patterns, genetically susceptible subgroups

offer a rich opportunity for research by providing a more sensitive means of identifying expositions that are teratogenic in humans. A healthy diet contains many nutrients working synergistically. Metabolism of folate and cobalamine, as well as betaine/choline Gemcitabine and vitamin U, interact 17-AAG cell line at the point homocysteine is converted to methionine. The search of our group [23, 31, 32] for genetic polymorphisms in the homocysteine/folate pathway revealed that polymorphic variants of MTR, BHMT1, and BHMT2 are associated with the risk of clefting in the Polish population. BHMT2, BHMT1 and MTR convert homocysteine to methionine, but use different methyl donors. It is well

known that increased periconceptional intake of folic acid and vitamin B12 may reduce the risk of structural malformations [11, 14]. However, it remains unclear as to the extent to which SNPs of MTR, BHMT1, and BHMT2 contribute to palatogenesis. This newly accumulated knowledge might constitute the basis of new kinds of dietary recommendations. Further work is needed to fully establish the physiological functions and interplay of vitamin U, betaine/choline and their analogues (i.e. trigonelline from tomatoes [93]). Moreover, this observation can raise and support the concept of personalized nutrition aiming at providing targeted dietary advice to women of childbearing age with increased risk of CL/P. From a public health perspective, there is need to create conditions encouraging “healthy choices” of food and to help people make informed decisions within health friendly environments.

Furthermore, detection of numerous vesicles in the vicinity of th

Furthermore, detection of numerous vesicles in the vicinity of the resorption pit suggests an active procatabolic Selleck ABT-888 role for osteoclasts in osteosarcoma pathobiology ( Figure 2E). Ultrastructural examination of the extracellular matrix

of the tumor tissue from the BOOM model revealed the presence of EMVs interspersed among collagen fibrils ( Figure 2F). Immunohistochemical studies detected the expression of MMP-1 and MMP-13 in the tumor and nontumor cells such as osteocytes, osteoclasts, and osteoblasts of the osteosarcoma BME ( Figure 3). Osteosarcoma EMVs were isolated from the CM of mCherry + ve, 143B-luc, and HOS cells by differential ultracentrifugation (Figure 1). The size distribution profile of isolated EMVs as determined by nanoparticle tracking analysis (NTA) was

in the range of 50 to 200 nm (Figures 4, A and B, and W1). The EMV yield generated from 143B cells was higher as reflected by their mean EMV number per milliliter (711 × 108 bEMVs per milliliter) and protein concentration (1.2 mg/ml) compared to HOS cells (mean EMV number per milliliter = 7.3 × 108 hEMVs per milliliter) and protein concentration (0.33 mg/ml) ( Figure W2). Because 143B EMV output was greater (100 ×) than HOS EMVs, and for the sake of focus of the current study, further characterization was done on 143B EMVs. Ultrastructural characterization GSK458 manufacturer of EMVs derived from 143B cells revealed the presence of numerous vesicles in the size range of 50 to 200 nm ( Figure 4, C and D). TEM revealed the presence of MVBs and perivesicular mineral clusters in the osteosarcoma BME ( Figure 4, C and D). Presence of ALP enzyme activity in 143B-derived EMVs confirmed their mineralization competence as observed by TEM ( Figure 5A). Flow cytometry and fluorescence microscopy detected the retention of mCherry fluorescence in EMVs derived from mCherry + ve, 143B luciferase–expressing cells ( Figure 5, B and C). Biochemical characterization of cargo proteins of 143B-derived EMVs by Western blot analysis demonstrates the expression of a pro-osteoclastogenic many cargo, which includes MMPs (MMP-1 and MMP-13), CD-9, RANKL,

and TGF-β (Figure 6). Detection of a clear band at 52 kDa in 143B EMV lysates corresponds to the predicted band size for MMP-1 as previously reported by Husmann et al., in the 143B cell lysates [29] (Figure 6A). This band is likely to be a proenzyme as reported previously [33]. Immunodetection for MMP-13 expression revealed the presence of a major band at 68 to 70 kDa that was selectively enriched in 143B EMVs ( Figure 6A). This band is very likely to be the proenzyme form of MMP-13 as previous studies report the detection of the proenzyme or the latent form at 60 to 65 kDa, whereas the active form is detected at 30 to 48 kDa [34] and [35]. Further characterization revealed that 143B EMVs contain pro-osteoclastogenic cargo, i.e., CD-9, RANKL, and TGF-β (Figure 6C).

Although many associated words are also conceptually related, as

Although many associated words are also conceptually related, as indeed Rajaram and Geraci’s were, associative probability is influenced by non-conceptual factors

such as the probability of co-occurrence in language (e.g., hobby-HORSE, grand-PIANO), and in semantic priming studies, association tends to dominate over conceptual relatedness ( Lucas, 2000). In a recent study (Taylor and Henson, in press), we used semantically related primes (that share semantic attributes, e.g., piano-GUITAR) that were not associatively related, in an attempt to isolate the effect of conceptual fluency on recognition memory judgments. When we included these so-called conceptual primes with the standard repetition primes used in most previous studies (with different blocks for each prime-type), we found that they produced the opposite effect: i.e., Conceptual primes increased the likelihood of Selleckchem ABT 199 (correct) R but not K judgments.1 This occurred simultaneously with the standard increase in K but not R judgments following repetition primes, producing a reliable cross-over interaction between prime-type and R/K judgment. While this cross-over interaction might be used to support at least two distinct contributions to recognition memory, such as recollection and familiarity,

the interpretation CP-868596 price of the increased R judgments following conceptual primes would appear more difficult to reconcile with conventional theories of recollection. new Indeed, as noted above, one popular theory of recollection and familiarity associates conceptual fluency with familiarity, not recollection (Yonelinas, 2002). One possibility is that conceptual primes automatically activate concepts that are semantically related to both the prime and target (test item), consistent with behavioral evidence for subliminal semantic priming (Van den Bussche et al., 2009). If some of these concepts were also generated spontaneously at Study (particularly if the encoding task entails semantic elaboration), then their unconscious activation at Test may

increase the probability of retrieving them in response to the test cue (i.e., increase retrieval of internal source; the type of source that is likely to dominate R judgments in experiments like these that use word lists, where there is little variability in external source information). In support of this hypothesis, the increase in R judgments following conceptual primes occurred only for studied items (Hits), not unstudied items (False Alarms), unlike the typical pattern for repetition primes (that increase both Hits and False Alarms, given a K judgment) – see Taylor and Henson (in press) for further discussion. However, another possibility is that this interaction pattern is an artifact of the standard R/K procedure, in that participants are forced to give either an R judgment or a K judgment (i.e., the response categories are mutually exclusive).

Any trials on which

Any trials on which selleck chemical a participant provided this response were discarded from the subsequent analysis, as were trials on which participant failed to provide a response to either of the ratings [mean number of excluded trials 1.53 (SD 2.5)]. Participants then had 2 sec to rest before the start of the next trial. Following the scoring procedure of Intraub and Richardson (1989), each response

was scored from −2 to 2 where −2 meant “much closer-up”, −1 meant “a little closer-up”, 0 meant “the same”, 1 meant “a little further away”, and 2 meant “much further away”. The mean score across all trials was calculated for each participant, providing an overall BE score. This score indicates the degree of bias towards one

response over another. If participants show no bias in response, the score will be 0. However, if they display a BE effect, the score will be negative, due to the greater number of closer responses. In order to determine whether the group of participants as a whole displayed a significant BE effect, we compared the BE scores to 0 selleck kinase inhibitor using a t-test. We also performed a second analysis where we investigated the proportion of each response type (Closer, Same, Further), ignoring the degree of subjective distance (i.e., whether it was “much” or “a little” further/closer). For this analysis we calculated the percentage of response trials falling into each of the three categories for each participant, and compared them using a one-way analysis of variance (ANOVA). MRI data were Axenfeld syndrome collected

using a 3 T Magnetom Allegra head-only MRI scanner (Siemens Healthcare, Erlangen, Germany) operated with the standard transmit-receive head coil. Functional MRI data were acquired in one session with a BOLD-sensitive T2*-weighted single-shot echo-planar imaging sequence which was optimised to minimise signal dropout in the medial temporal lobe (MTL) (Weiskopf et al., 2006). The sequence used a descending slice acquisition order with a slice thickness of 2 mm, an interslice gap of 1 mm, and an in-plane resolution of 3 × 3 mm. Forty eight slices were collected covering the entire brain, resulting in a repetition time of 2.88 sec. The echo time was 30 msec and the flip angle 90°. All data were acquired at a −45° angle to the anterior–posterior axis. In addition, field maps were collected for subsequent distortion correction (Weiskopf et al., 2006). These were acquired with a double-echo gradient echo field map sequence (TE = 10 and 12.46 msec, TR = 1020 msec, matrix size 64 × 64, with 64 slices, voxel size = 3 mm3) covering the whole head. After these functional scans, a 3D MDEFT T1-weighted structural scan was acquired for each participant with 1 mm isotropic resolution (Deichmann et al., 2004). Neuroimaging data were analysed using SPM8.

Peptide array technology, also referred to as scanning peptide ar

Peptide array technology, also referred to as scanning peptide array or microarray technology, may offer a relatively cost-effective approach to generate an array of longer peptide sequences that can be probed on the array support, and used to investigate interactions of the peptides with physiologically relevant proteins or other molecules, for example,

peptide–protein interactions involved in allergenic epitope analysis, enzyme–substrate, and enzyme–inhibitor investigations 26 and 27. Peptide array technology may thus offer a high throughput approach as a complement to classical and bioinformatics-driven approaches to select peptide sequences for further investigation ( Figure 1). In the end, both the traditional (empirical) and newer (bioinformatics Ruxolitinib research buy driven) approaches converge at a common point (Figure 1), namely the need to test the activity of specific peptide sequences that have either been identified by the experimental data or suggested by in silico Dasatinib price analysis, and then to verify that these sequences are actually released

and exist in the end-products, whether the latter be unfractionated protein hydrolysates containing bioactive properties, or else partially purified fractions with enriched concentrations of the bioactive sequences. Compared to synthetic small-molecule drugs, which are single identifiable entities, in most cases, the target end product for bioactive peptides derived from food is not usually a single peptide with 99% purity — not only due to the unacceptable high cost and low yield that would be involved, but also because products containing only single peptide entities would ignore any additive, Cediranib (AZD2171) synergistic

or antagonistic effects among peptides. Moreover, peptides possessing bioactivity are often hydrophobic in nature and exhibit poor aqueous solubility at high concentrations. Formulating products with several peptides each at lower concentration can ameliorate the solubility problem while conferring the same level of bioactivity. Thus, the minimum level of information for quality assurance should include not only verification of specific peptide sequences in the complex matrix that are associated with the activity but also the bioactivity of peptide mixtures under standard conditions. Mass spectrometry, or more specifically liquid chromatography tandem mass spectrometry (LC–MS/MS) is recognized as the primary tool for sequencing peptides and identifying proteins, but requires particular paradigms for the analysis of bioactive peptides derived from food.

2) In the non-chlorophylled section, where infection occurs (Ven

2). In the non-chlorophylled section, where infection occurs (Ventura, 1994), cv. Vitoria presented less scales, showing a sparser organization on the leave

surface (Table 1 and Fig. 2A) than comparable areas in the susceptible cv. Perola (Table 1 and Fig. 2C), where scales overlap each other, often giving a glaucous aspect to leaves. Cultivar Smooth Cayenne, which displays intermediate severity of fusariosis symptoms, possessed an intermediate number of scales with a relatively sparse organization on the leaf surface (Table 1 and Fig. 2B). The chlorophylled region, where infection does not occur (Ventura, 1994), presented the same number and distribution of scales in all cultivar (Table 1). These results suggest that the ALK inhibitor number of scales can be related to fusariosis establishment. Numbers of isolates of F. guttiforme following disinfection of the leaf and conidial inoculation were also related to the scale density of the cultivar. Selleck Cabozantinib Compared to cv. Perola, only 1.4% and 6.1% of the number of colonies were obtained from cv. Vitoria, and cv. Smooth Cayenne, respectively ( Table 1). Identity of the colonies was confirmed by microscopic identification of representative samples,

and no colonies were obtained from control leaves inoculated with water. Morphological characteristic of the pineapple leaf is that it can function as havens for fungal conidia, and it has been suggested that this could be correlated with epiphytic survival and infection levels (Dianese, 1981). One of the main reasons for the success of fungal pathogens is their ability to locate and perceive appropriate host surfaces and then

to deploy specialized infection structures (Tucker and Talbot, 2001). Successful colonization of the host depends on an efficient mode of infection. The epiphytical phase of leaf pathogens is critical due to unfavorable environmental conditions which could disturb the development of the fungal structures (Struck and Mendgen, 1998). So, the role of the epiphytic stage of the fungus in infection should be an important area of investigation in studies on pineapple. In Bromeliaceae, the peltate scales act as water and nutrient reservoirs (Krauss, 1949 and Souza et al., 2005). This situation may aid fungal adhesion by Suplatast tosilate providing a humid nutrient rich favourable to germination and penetration. Fusarium spores can be easily dispersed by air currents, and once having landed in the scales, such an opportunistic fungus can germinate and begin the process of infection ( Ventura and Zambolim, 2002). The susceptibility of pineapples is linked to unfavorable environmental conditions such as a temperature of 30 °C and high humidity. The pre-penetration stage is the first step in the process of infection and to establish the disease (Leite et al., 2001 and Tucker and Talbot, 2001). F.