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PubMed2001

[Effect of boron fertilization on B uptake and utilization by oilseed rape(Brassica napus L.) under different soil moisture regimes].

Pot experiment was conducted in greenhouse to determine the effect of boron fertilization on B uptake and utilization by oilseed rape at seedling stage as influenced by soil moisture regime. The results showed that B concentration in shoot and root increased with the increase of soil water content and B fertilization level, while its utilization efficiency(BUE) and mobilization index(BMI) increased with the decrease of soil water content and B application level. Differences in BUE and BMI of test oilseed rape cultivars were significant, i.e., V1 showed higher BUE and BMI than V4 under the same conditions. It is concluded that BUE and B mobility in plant were the major factors responsible for the differences in response of different oilseed rape cultivars to B deficiency.

Absorption↗

PubMed2004

Fluorescence-based AFLPs occur as the most suitable marker system for oilseed rape cultivar identification.

Three different types of molecular markers, RAPD, SSR and fluorescence-based AFLP, were evaluated and compared for their ability to identify oilseed rape cultivars. The direct comparison of RAPD, SSR and AFLP approaches in cultivar identification showed that the AFLP methodology detected polymorphisms more efficiently than either RAPD or SSR methods. For the characterisation of six oilseed rape cultivars, 60 RAPD primers were tested and only eight of them (14%) detected sufficient levels of polymorphism. Five microsatellites out of fifteen tested were polymorphic, but in all loci, except one, only two different alleles were detected. This result indicated the limited degree of polymorphism found in Brassica napus. Each of the six tested AFLP combinations detected polymorphisms, the best combination (M-CAA/E-ACT) had 26% polymorphic peaks from a total of 90 peaks and could distinguish the analysed cultivars and 4 out of 5 core lines of cultivars. The results presented show that florescence-based AFLP is, for the purposes of oilseed rape cultivar fingerprinting, a more suitable approach than either RAPD or SSR.

Agriculture↗

PubMed2003

Critical period of weed control in oilseed rape in two Moroccan regions.

The determination of critical period of weed control in oilseed rape is necessary to know the weed control period. To determine the critical period, two fields experiments were carried out during 1995-96 growth season in Loukkos and Saïs regions at two oilseed densities (D1 = 24 and D2 = 36 plants m(-2)). Ten treatments corresponding to plots left weed free or weeded plots until four leaves, flowers bud, flowering, puds formation, and maturity stages of oilseed rape were tested. Density and biomass of weeds were determined at each oilseed stages. Results showed that weed density and biomass were higher in Saïs than in Loukkos sites. For a 10% yield loss, critical period of weed control in Loukkos was from 458 to 720 degree days after emergence (D degrees AE) and from 480 to 720 D degrees AE in oilseed conducted at densities D1 and D2, respectively. In Saïs, critical period of weed control was from 474 to 738 D degrees AE and from 468 to 675 D degrees AE in oilseed conducted at D1 and D2, respectively. It was concluded that the length of the critical period of weed control in oilseed rape grain yield seems to be dependant of the level of the infestation.

Agriculture↗

PubMed2005

Distribution of cadmium in oilseed rape and Indian mustard grown on cadmium contaminated soil.

Heavy metal distribution in the specialized accumulating plants was important for phytoextraction technique. Hydroponic and pot experiment were conducted to investigated Cd phytoextraction ability and Cd distribution in the plant of oilseed rape species. The results showed that oilseed rape Chuanyou II-10 was more effective in phytoexetraction Cd among 21 varieties of oilseed rape and indicator plant Indian mustard. Cd concentration in the shoot of Chuanyou 11-10 and Indian mustard gradually decreased with an increase in growth period, while the amount of Cd uptake increased with the increase of growth period. There was constantly decrease in Cd concentration from the base leaves to the top leaves of Chuanyou II-10 and Indian mustard, the percentages of Cd uptake in older leaves were higher than those of younger leaves. Older leaves of Chuanyou 11-10 and Indian mustard extracted more Cd for the Cd contamination soil, leaves should as far as possible develop before they reached the soil and the older leaves were harvested in priority.

Cadmium↗

PubMed1978

[Effect of plant residues on the parasitic activity of soilborne pathogens and the saprophytic microflora of the soil. III. Influence of rye and rape grown as winter catch crop on the incidence of Cercosporella herpotrichoides Fron (author's transl)].

In a five-years field trial, the influence of two winter catchcrops, rye and rape, upon the incidence of Cercosporella herpotrichoides has been studied. The winter catch-crops had been repeated three times, followed either by stubble-crop or without in fall of the fourth year. The variants (blocks) had been completed by two variants without catch-crop, either carefully cultivated or overgrown with weeds. Each of the four blocks had been divided three times to be grown with three different crop sequences containing 80%, 60% (with the insusceptible corn), or 40% haulm fruit, respectively. Each of the 12 variants had been divided into two parts by continuous fallow stripe, one part being artificially infested with the pathogen in the beginning (1st winter wheat). In the 2nd, 3rd, and 4th year, only spring crops were grown, followed by winter wheat in the 5th year. The final exploration resulted in a medium to heavy degree of infection, being significantly higher in the 80% cereal crop sequence than in the 60% and 40% sequences. Concerning the catch-crops, infection in the rye variants was equal or significantly lower than in the carefully cultivated variants without catch-crop. On the other hand, infection of the rape variants had become significantly higher than that of the catch-crop-free ones, about as heavily as in the weed-infested variants. From fall 1966 to summer 1969, the development of the saprophytic soil microflora and several other edaphic parameters had been investigated. Remarkable differences in intensity of disintegration have been observed under the influence of the main crops, cereals or potatoes, respectively, but no differences could be stated resulting from the matter of disintegration--residues of rye or rape--, which might interpret the contrasting effects on the pathogen. Too, no indication for antagonistic activity of bacteria or actinomycetes has been noted. The results are compared with known facts of Cercosporella and of other soil borne pathogens. The difference in biology of Cercosporella on the one hand, and of root infecting fungi on the other hand seems to be most important to explain the results obtained.

Actinomycetales↗

PubMedDate not supplied

Issues in statutory rape law enforcement: the views of district attorneys in Kansas.

CONTEXT: The 1996 federal welfare reform law calls for the reduction of adolescent pregnancy rates through aggressive enforcement of statutory rape laws at the local and state level. Yet there are few quantitative data on district attorneys' attitudes toward enforcement and related issues. METHODS: Anonymous surveys were mailed to all 105 Kansas district attorneys in 1997; 92 surveys were returned. In-depth telephone interviews were conducted with seven of the attorneys. RESULTS: Most of the respondents (74%) favored aggressive enforcement, but just 37% believed the public would support aggressive enforcement. Only 24% believed enforcement would reduce adolescent pregnancy. Fifty-seven percent supported the current legal age of consent in Kansas (16 years). Fifty-three percent thought the law should not specify age differences between the partners. Most (77%) believed the law should protect sexually active minors, and that paternity acknowledgments should be admissible evidence in prosecutions (78%). Only 17% believed that enforcement would discourage adolescents from seeking health care. CONCLUSIONS: The potential impact of statutory rape prosecution on reproductive and psychological health should be considered in each case. Educating law enforcement officials about adolescent health care issues and encouraging them to consult with professionals in health and psychological fields may help to minimize the potentially negative effects of enforcement on adolescents' reproductive health.

Adolescent↗

PubMed1997

The relationship of male self-report of rape supportive attitudes, sexual fantasy, social desirability and physiological arousal to sexually coercive stimuli.

Studies have supported the finding that sexually coercive behavior exists between males and females on college campuses and that when women say "no" to sexual behavior, men do not believe them. This study utilized penile plethysmography to investigate male sexual arousal to rape myth scenarios in a college population. The scenarios portrayed a woman who said "no" to sexually coercive intercourse behavior by a male. Results indicated that a low level of social desirability, sexual fantasies involving group sexual activity, as well as hurting and being hurt by a partner were associated with greater levels of physiological responding to coercive stimuli. Supportive attitudes about rape showed no relationship with physiological responding, yet did correlate with the sexual fantasy of being hurt by a partner, which was itself related to increased sexual arousal to sexually coercive audio stimuli.

Adolescent↗

PubMed1983

Delivery of rape-related services in CMHCs: an initial study.

A questionnaire designed to assess how rape-related services are delivered was mailed to directors of 34 federally funded comprehensive Community Mental Health Centers (CMHCs) in Missouri and Illinois. Responses were received from 18 CMHCs. Results indicated that rape-related services were offered by approximately three-quarters of the respondents, who reported delivering primarily clinical services.

Community Mental Health Centers↗

PubMed1980

Crime or affliction? Rape in an African community.

Amongst the Gusii of southwestern Kenya instances of rape are frequently reported; this was true also in the colonial period and yet it seems that those cases which come to the notice of the authorities are few compared with the numbers which actually occur. While certain features of the traditional culture seem to have encouraged violent sexual assault, because in a patrilocal society miscreants are likely to victimize their relatives, that is women who are sexually taboo, the crime is considered a sacrilegious matter to be dealt with in the family, not by the secular authorities. Given the sacrilegious nature of the act the Gusii are convinced that such behavior is involuntary and that the criminal is not a criminal but an afflicted person, motivated by the malevolence of the ancestral spirits or of jealous neighbors and kin. The author uses case material to illustrate various aspects of the Gusii belief system in regard to criminal behavior in general and rape in particular.

Adolescent↗

PubMed1978

Women's attitudes toward forcible rape.

This study assessed the attitudes of women with diverse backgrounds toward possible responses to an attempted sexual assault and also ascertained their beliefs about how society should handle a convicted rapist. Additionally, the role which the personality dimensions of assertiveness and internal-external expectamcy play in shaping attitudes toward rape was investigated. Seventy-seven women and 25 men were administered the Rathus Assertiveness Schedule, the Rotter I-E Scale, and a Rape Inventory. Women relied on a narrow range of options to deal with a rapist's attack, depending mostly on less active modes. They advocated humane approaches be taken with convicted rapists. Personality played only a minor role.

Animals↗

PubMed1996

Dissociative experiences and posttraumatic stress disorder among female victims of criminal assault and rape.

This study examines the relationship between posttraumatic stress disorder (PTSD) and dissociative experiences in a sample of 158 recent female assault victims (74 rape, 84 nonsexual assault) and 46 comparison subjects who had not been assaulted within the last year. Results indicated that victims had elevated scores on Dissociative Experiences Scale (DES) as compared to the comparison subjects, but that this elevation was not as high as for other traumatized samples. The level of dissociation reported by assault victims declined significantly over the three month course of the study. DES scores were related to PTSD diagnosis and symptom severity, but only among nonsexual assault victims. In rape victims, there was no correlation between dissociation and PTSD. Recent victims with a history of childhood sexual abuse were significantly more dissociative than those who did not report such a history. These results are discussed with regard to vulnerability factors for developing PTSD subsequent to a criminal assault.

Adult↗

PubMed2005

Behavioral characteristics of men accused of rape: evidence for different types of rapists.

The aim of this study was to determine whether the behavioral characteristics demonstrated by rapists clustered together into groups that were similar to the common rapist typology in the literature: anger, power exploitative, power reassurance, and sadistic. Two studies were conducted to examine the evidence for this typology. Study 1 involved the analysis of data from 130 men charged with sexual assault and Study 2 involved the analysis of court transcripts from 50 rape cases tried through the court system. The results of Study 1 revealed that there was some validity to the characteristics usually associated with each of the four types of rape, especially for the power reassurance and sadistic rapists. However, there were some unexpected outliers within both the anger and power exploitative types of rapists, which may suggest that there is more than one type of anger rapist and more than two types of power rapists. The results of Study 2 very closely replicated the results of Study 1. Future research needs to focus on the behavioral, motivational, and cognitive characteristics associated with each of the types of rapists and research them separately, so that it is possible to further evaluate the evidence for the typology identified in this study.

Aggression↗

PubMed1978

The forensic laboratory evaluation of evidence in alleged rape.

Serial vaginal fluid samples were obtained for laboratory analysis in 15 couples after voluntary intercourse. These samples were analyzed to determine the rate of decay of sperm and prostatic acid phosphatase as it pertains to alleged rape. An attempt was made to identify the male partner by laboratory examination of pubic hair combings and for foreign ABO antigens in vaginal fluid. If consideration is given to proper laboratory controls, examination for spermatozoa and prostatic acid phosphatase remains the primary test in alleged rape.

ABO Blood-Group System↗

PubMed1979

Depressive symptoms in rape victims.

Thirty-four recent rape victims were assessed for depressive symptomatology using a well-validated self-report instrument in combination with formal psychiatric evaluation. Fifteen subjects were found to be moderately or severely depressed when measured on the self-report questionnaire. A closer examination of these 15 subjects revealed that 8 were suffering from a major depressive disorder. The authors emphasize that all clinicians working with rape victims should be alert to the emergence of depression in this population.

Adolescent↗

PubMed1990

Reality therapy with rape victims.

Rape is a violent act that inflicts injury on the very essence of the self. Reality therapy offers an applicable conceptual framework for the treatment of rape victims. Reality therapy groups minimize attention to the concept of mental illness. The warm, friendly atmosphere of the reality therapy group provides a supportive arena where the victim can tell her story, diminish her desire to withdraw from others, and recognize control over her behavior. Through her involvement she can begin to fulfill her needs to love and be loved, and feel worthwhile to herself and others.

Adaptation, Psychological↗

PubMed1991

Incubating syphilis in an adolescent female rape victim.

The risk of infection after rape is believed to be low. The use of presumptive treatment is, therefore, controversial. Some experts recommend treatment of all patients, and others suggest treatment if the doctor suspects infection, if the patient requests it, if follow-up examination of the victim cannot be ensured, or if the assailant has a known infection. No regimen will cover all possible pathogens. The Centers for Disease Control's empiric regimen for victims of sexual assault is effective against gonorrhea, chlamydia, and, most likely, syphilis. We present a case of incubating syphilis following rape, that did not respond to ceftriaxone.

Adolescent↗

PubMed1993

Acquaintance rape and the high school student.

The purpose of this study was to determine the prevalence of forced sex among high school students and to assess student attitudes about it. The questionnaires were given in conjunction with a presentation on date rape to 9th through 12th grade students in health and science classes in three large metropolitan Louisiana public high schools. The first questionnaire, given before the presentation, elicited demographic information and attitudes about forced sex in 11 scenarios; the second, given after the program, asked if the student had ever been in a situation involving forced sex and, if so, whether he or she had told anyone. The two questionnaires were completed by all 237 students. Although one out of five students (20%) reported they had experienced forced sex, only half had told about the experience. A majority of boys (60%) found it acceptable in one or more situations for a boy to force sex on a girl. Male, black, and older students were significantly more likely (p < 0.05) to indicate that it was acceptable for a boy to force sex on a girl in certain circumstances. These findings should alert physicians to the risk of acquaintance rape among their high school student patients. Student attitudes, particularly those of males, may provide an important focus of preventive sex education in the physician's office, the classroom, and the community.

Adolescent↗

PubMed2005

Resolution of trauma-related guilt following treatment of PTSD in female rape victims: a result of cognitive processing therapy targeting comorbid depression?

BACKGROUND AND METHODS: Although Resick et al. [Resick, P.A., Nishith, P., Weaver, T.L., Astin, M.C., Feuer, C.A., 2002. A comparison of cognitive-processing therapy with prolonged exposure and a waiting condition for the treatment of chronic posttraumatic stress disorder in female rape victims. J. Consult. Clin. Psychol. 70, 867-879.] reported comparable results for treating rape-related posttraumatic stress disorder (PTSD) using either cognitive-processing therapy (CPT) or prolonged exposure (PE), there was some suggestion that CPT resulted in better outcomes than PE for certain aspects of trauma-related guilt. The present study revisited these findings to examine whether this effect was a function of improvement in a subset of participants with both PTSD and major depressive disorder (MDD). RESULTS: Results indicated that CPT was just as effective in treating "pure" PTSD and PTSD with comorbid MDD in terms of guilt. Clinical significance testing underscored that CPT was more effective in reducing certain trauma-related guilt cognitions than PE. LIMITATIONS: Findings cannot be generalized to men, and only one measure of guilt was used. CONCLUSIONS: The observed superiority of CPT over PE for treating certain guilt cognitions was not due to participant comorbidity. Further research is recommended to untangle the relationship between guilt, depression and differential response to treatment in PTSD following sexual assault trauma.

Adult↗