scholarly journals Comparative study of different fertile groups in plums

2006 ◽  
Vol 12 (3) ◽  
Author(s):  
D. Surányi
Keyword(s):  
Pollen Viability ◽  
The Self ◽  
Male Sterile ◽  
Scientific Debate ◽  
Stamen Number ◽  
Fruit Species ◽  
Pistil Length ◽  
Morphological Differences ◽  
The Right ◽  
Fruit Mass

The plum traditional fruit species in Hungary, several local cultivars was born in the different grower's districts. The author that investigated, that are morphological differences between an odds find self-fertile, self sterile (with functional stamens) and male sterile plum cultivars. For it thought about main questions of a scientific debate sown up and the study this way gave reactions totalize. There were in three fertile groups 8-8 type of feature plum cultivars in periods of 1992-2001, respectively 1993-1999. It was founded by author big odds found the troops on the basis of 9 traits between. Pistil length of self sterile cultivars very typical, such as sesquipedalian flower peduncle of the self-fertile plums and the hypoandry of male sterile cultivars. The relative stamen number and the pollen viability as well significant odds gave. The average fruit mass and sharka infection of self-fertile plums this troops extreme work. According to cultivar's averages the shark symptoms standard the right correlation the singular traits, but those one part of her with each other not shown connection. The annuity potencies underdeveloped the troops behind and the troops within cultivar's differences had case significance. The results usable the male sterile cultivars and progeny further its investments.

scholarly journals Sex expression of flowers in cultivated sweet and sour cherries

2000 ◽  
Vol 6 (1) ◽  
Author(s):  
D. Surányi
Keyword(s):  
Sweet Cherry ◽  
Ecological Factors ◽  
Sour Cherry ◽  
Sex Expression ◽  
The Self ◽  
Flower Structure ◽  
Stamen Number ◽  
Pistil Length ◽  
Sweet Cherry Cultivars ◽  
Different Parts

During the period of 1968-1972 nine sweet cherry varieties were investigated by the author on mazzard seedling rootstock, more­over cv. Germersdorfi óriás and cv. Münchebergi korai sweet cherry cultivars grafted on mahaleb, cv. Korponai and cv. Sukorói cherries were observed on rootstocks of cv. Cigánymeggy sour cherry seedling, too. Yet, there are other relations between the different parts of sweet cherry flowers too, which perhaps indicate the effect of rootstocks in Cerasus scions. The flower structure shows feminine character on mahaleb, the effect is intermediate on mazzard, however, the sour cherry rootstock strengthens the male character. Four sour cherry varieties as cv. Cigánymeggy C. 404. cv. Érdi nagygyümölcsű, cv. Meteor korai and cv. Pándy C. 101 were studied on three rootstocks: mazzard, mahaleb and Cigánymeggy C. 215 seedling rootstocks between 1976 and 1980. The pistil length, stamen number and relative stamen number diverged significantly on different rootstocks. The results revealed a close negative correlation between the pistil length and stamen number, furthermore noticing that, in the self-fertile cv. Meteor korai and cv. Újfehértói fürtös presented increasing of the relative stamen number, so the fertility decreased, while in the case of self-sterile varieties the change was favourable. Summing up the results, it is obvious, that the fertility of flowers can be modified by rootstocks and the ecological factors cause sex reversions on different combinations.

scholarly journals Pollen morphology of fruit species

2000 ◽  
Vol 6 (3) ◽  
Author(s):  
P. Sótonyi ◽  
Z. Szabó ◽  
J. Nyéki ◽  
P. Benedek ◽  
M. Soltész
Keyword(s):  
Moisture Content ◽  
Surface Morphology ◽  
Fruit Size ◽  
Pollen Grains ◽  
Sour Cherry ◽  
The Self ◽  
Male Sterile ◽  
Fruit Species ◽  
As Species ◽  
Genetically Determined

Size and surface morphology of pollen has been studied in 87 twit varieties of 10 fruit species during the period of 1990-1995. No preceding work of that type came to our knowledge, yet. The samples comprised a wide variety of cultivars included male sterile, self-incompatible, partially self-fertile stone fruits, diploid and hexaploid plums, diploid and triploid apples. The large number of species and varieties facilitated the comparison of items within and between the respective species. It was stated that the size, shape and surface morphology of pollen is genetically determined and those data, combined with other variety characters, are suitable for the classification and distinction of varieties. In assessment of pollen size and shape, their moisture content is crucial. The major diameter of the swollen pollen as well as the length and width of the dry grains are characteristic to species and/or to variety. The width and shape changes largely with moisture content. Large grains are proper to quince, apricot, peach and almond, medium sizes are found in apple, sweet cherry, sour cherry, European plum, whereas small size is typical to Japanese plums. The low number of varieties studied does not allow conclusions concerning differences within pears, quinces and almonds as species. In the rest of species, valid differences have been registered as between varieties. Within species, as apple and plum, the effect of ploidy (i.e. number of chromosomes) was expressed in the size of their pollen. In stone fruit species, the correlation between size. of anthers and size of pollen grains was positive. Genetic relations between the self-fertile sour cherry varieties of the Pándy type (Debreceni bőtermő, Kántorjánosi, Újfehértói fürtös) as well as the self-incompatible apricots of "giant" fruit size are supposed to be analysed by pollen studies but there did not turn out any decisive conclusion, yet. Other characters also should be considered. The assembly of pollen characters is decisive in the determination of the variety. The ratio of empty pollen grains, the grain size and the density as well as the size of the pits on the surface are best suited to distinguish pollen lots.  

scholarly journals Self pollination in peach

1999 ◽  
Vol 5 (3-4) ◽  
Author(s):  
Z. Szabó ◽  
J. Nyéki
Keyword(s):  
Seasonal Variation ◽  
Fruit Set ◽  
The Self ◽  
Male Sterile ◽  
Proper Sense ◽  
Fruit Species ◽  
Self Pollination ◽  
Hand Pollination ◽  
The Usa

The peach is though considered to be a self fertile fruit species, also some self sterile and male sterile varieties have been registered. The latter type seems to be frequently met in Asian varieties, whereas in the USA and Europe, J. H. Hale and Flaminia are grown. The purpose of the present study was the assessment of fertility relations of peaches and nectarines grown in Hungary. The authors studied, since 1974, more than 100 different peach and nectarine varieties as for fertility relations, especially their autogamous or geitonogamous fruit set on isolated, i.e. bagged flowers at bud stage, then set free after blooming finished. Isolated flowers of some varieties were also self pollinated, artificially. According to the results the varieties have been assigned to four alternative groups. Self sterile varieties in the proper sense have not been found, but partial self sterility (less than 10% fruit set), self fertility (10 to 20% fruit set) and high self fertility (more than 20% fruit set on selfed flovters) was generally met. The majority of the varieties belonged to the last two groups, nevertheless. the rate of fruit set displayed seasonal variation, the maximum was in one case 89.9%. The purposeful self (hand)pollination of the isolated flowers increased fruit set, substantially. Varieties rated as partially self-sterile are J. H. Hale and Fuzador (the former being partially male sterile too). Although in some years and some varieties, fruit set legged below 10% but according to the means the majority of nectarines are assigned to the self fertile category whereas most peach varieties, either for fresh consumption or industrial types, were highly self fertile.  

Where Are the History Books for Palestinian Children?

2017 ◽  
Vol 16 (2) ◽  
pp. 145-175 ◽  
Author(s):  
Rosemary Sayigh
Keyword(s):  
Native Americans ◽  
The Self ◽  
Educational Systems ◽  
Refugee Camps ◽  
Culturally Relevant Education ◽  
Palestinian Children ◽  
The Right ◽  
Authentic Curriculum ◽  
History Books ◽  
Relevant Education

Colonialism deprives colonised peoples of the self-determined histories needed for continued struggle. Scattered since 1948 across diverse educational systems, Palestinians have been unable to control their education or construct an authentic curriculum. This paper covers varied schooling in the Palestinian diaspora. I set this state of ‘splitting through education’ as contradictory to international declarations of the right of colonised peoples to culturally relevant education. Such education would include histories that explain their situation, and depict past resistances. I argue for the production of histories of Palestine for Palestinian children, especially those in refugee camps as well as in Israel and Jerusalem, where curricula are controlled by the settler-coloniser. Black and Native Americans have dealt with exclusion from history in ways that offer models for Palestinians.

scholarly journals Agency and the Successive Structure of Time-Consciousness

Erkenntnis ◽  
2021 ◽  
Author(s):  
Camden Alexander McKenna
Keyword(s):  
Temporal Structure ◽  
Basic Structure ◽  
The Self ◽  
Necessary Condition ◽  
Epistemic Status ◽  
Mental Attitude ◽  
Time Consciousness ◽  
Possibility Space ◽  
The Right ◽  
Wrong Sort

AbstractI argue for constraining the nomological possibility space of temporal experiences and endorsing the Succession Requirement for agents. The Succession Requirement holds that the basic structure of temporal experience must be successive for agentive subjects, at least in worlds that are law-like in the same way as ours. I aim to establish the Succession Requirement by showing non-successively experiencing agents are not possible for three main reasons, namely that they (1) fail to stand in the right sort of causal relationship to the outcomes of their actions, (2) exhibit the wrong sort of epistemic status for agency, and (3) lack the requisite agentive mental attitude of intentionality. I conclude that agency is incompatible with non-successive experience and therefore we should view the successive temporal structure of experience as a necessary condition for agency. I also suggest that the Succession Requirement may actually extend beyond my main focus on agency, offering preliminary considerations in favor of seeing successive experience as a precondition for selfhood as well. The consequences of the Succession Requirement are wide-ranging, and I discuss various implications for our understanding of agency, the self, time consciousness, and theology, among other things.

Self-Determination Through Autonomy or Independence? – On the Current and Future Position of New Caledonia

ICL Journal ◽  
2021 ◽  
Vol 15 (1) ◽  
pp. 67-105
Author(s):  
Markku Suksi
Keyword(s):  
Human Rights ◽  
New Caledonia ◽  
Legal Order ◽  
The Self ◽  
Self Determination ◽  
Normative Framework ◽  
European Court ◽  
Determination Process ◽  
The Right

Abstract New Caledonia is a colonial territory of France. Since the adoption of the Nouméa Accord in 1998, a period of transition towards the exercise of self-determination has been going on. New Caledonia is currently a strong autonomy, well entrenched in the legal order of France from 1999 on. The legislative powers have been distributed between the Congress of New Caledonia and the Parliament of France on the basis of a double enumeration of legislative powers, an arrangement that has given New Caledonia control over many material fields of self-determination. At the same time as this autonomy has been well embedded in the constitutional fabric of France. The Nouméa Accord was constitutionalized in the provisions of the Constitution of France and also in an Institutional Act. This normative framework created a multi-layered electorate that has presented several challenges to the autonomy arrangement and the procedure of self-determination, but the European Court of Human Rights and the UN Human Rights Committee have resolved the issues regarding the right to vote in manners that take into account the local circumstances and the fact that the aim of the legislation is to facilitate the self-determination of the colonized people, the indigenous Kanak people. The self-determination process consists potentially of a series of referendums, the first of which was held in 2018 and the second one in 2020. In both referendums, those entitled to vote returned a No-vote to the question of ‘Do you want New Caledonia to attain full sovereignty and become independent?’ A third referendum is to be expected before October 2022, and if that one also results in a no to independence, a further process of negotiations starts, with the potential of a fourth referendum that will decide the mode of self-determination New Caledonia will opt for, independence or autonomy.

scholarly journals Cosegregation of Single Genes Associated with Fertility Restoration and Transcript Processing of Sorghum Mitochondrial orf107 and urf209

Genetics ◽  
1998 ◽  
Vol 150 (1) ◽  
pp. 383-391 ◽  
Author(s):  
Hoang V Tang ◽  
Ruying Chang ◽  
Daryl R Pring
Keyword(s):  
Fertility Restoration ◽  
Mitochondrial Gene ◽  
Pollen Viability ◽  
Single Gene ◽  
Dominant Gene ◽  
Nuclear Gene ◽  
Male Sterile ◽  
Reading Frame ◽  
Transcript Processing ◽  
Backcross Populations

Abstract Defective nuclear-cytoplasmic interactions leading to aberrant microgametogenesis in sorghum carrying the IS1112C male-sterile cytoplasm occur very late in pollen maturation. Amelioration of this condition, the restoration of pollen viability, involves a novel two-gene gametophytic system, wherein genes designated Rf3 and Rf4 are required for viability of individual gametes. Rf3 is tightly linked to, or represents, a single gene that regulates a transcript processing activity that cleaves transcriptsof orf107, a chimeric mitochondrial open reading frame specific to IS1112C. The mitochondrial gene urf 209 is also subject to nucleus-specific enhanced transcript processing, 5′ to the gene, conferred by a single dominant gene designated Mmt1. Examinations of transcript patterns in F2 and two backcross populations indicated cosegregation of the augmented orf107 and urf209 processing activities in IS1112C. Several sorghum lines that do not restore fertility or confer orf107 transcript processing do exhibit urf209 transcript processing, indicating that the activities are distinguishable. We conclude that the nuclear gene(s) conferring enhanced orf107 and urf209 processing activities are tightly linked in IS1112C. Alternatively, the similarity in apparent regulatory action of the genes may indicate allelic differences wherein the IS1112C Rf3 allele may differ from alleles of maintainer lines by the capability to regulate both orf107 and urf209 processing activities.

The Role of the Right Prefrontal Cortex in Self-evaluation of the Face: A Functional Magnetic Resonance Imaging Study

2008 ◽  
Vol 20 (2) ◽  
pp. 342-355 ◽  
Author(s):  
Tomoyo Morita ◽  
Shoji Itakura ◽  
Daisuke N. Saito ◽  
Satoshi Nakashita ◽  
Tokiko Harada ◽  
...  
Keyword(s):  
Prefrontal Cortex ◽  
Face Recognition ◽  
Inferior Frontal Gyrus ◽  
Video Recording ◽  
Imaging Study ◽  
The Self ◽  
Anterior Cingulate ◽  
Precentral Gyrus ◽  
Self Evaluation ◽  
The Right

Individuals can experience negative emotions (e.g., embarrassment) accompanying self-evaluation immediately after recognizing their own facial image, especially if it deviates strongly from their mental representation of ideals or standards. The aim of this study was to identify the cortical regions involved in self-recognition and self-evaluation along with self-conscious emotions. To increase the range of emotions accompanying self-evaluation, we used facial feedback images chosen from a video recording, some of which deviated significantly from normal images. In total, 19 participants were asked to rate images of their own face (SELF) and those of others (OTHERS) according to how photogenic they appeared to be. After scanning the images, the participants rated how embarrassed they felt upon viewing each face. As the photogenic scores decreased, the embarrassment ratings dramatically increased for the participant's own face compared with those of others. The SELF versus OTHERS contrast significantly increased the activation of the right prefrontal cortex, bilateral insular cortex, anterior cingulate cortex, and bilateral occipital cortex. Within the right prefrontal cortex, activity in the right precentral gyrus reflected the trait of awareness of observable aspects of the self; this provided strong evidence that the right precentral gyrus is specifically involved in self-face recognition. By contrast, activity in the anterior region, which is located in the right middle inferior frontal gyrus, was modulated by the extent of embarrassment. This finding suggests that the right middle inferior frontal gyrus is engaged in self-evaluation preceded by self-face recognition based on the relevance to a standard self.

Variation in fur farm and wild populations of the red fox, Vulpes vulpes (Carnivora: Canidae) — Part I: Morphometry

2016 ◽  
Vol 96 (4) ◽  
pp. 589-597 ◽  
Author(s):  
Magdalena Zatoń-Dobrowolska ◽  
Magdalena Moska ◽  
Anna Mucha ◽  
Heliodor Wierzbicki ◽  
Piotr Przysiecki ◽  
...  
Keyword(s):  
Vulpes Vulpes ◽  
Selective Breeding ◽  
Red Fox ◽  
Tail Length ◽  
Morphometric Traits ◽  
Red Foxes ◽  
Ear Height ◽  
Morphological Differences ◽  
The Right ◽  
Almost All

This paper demonstrates the influence of artificial selection on morphometric traits in the red fox [Vulpes vulpes (Linnaeus, 1758)]. Measurements and two proportion coefficients were analysed in 132 wild and 199 farm red foxes. The two groups differed significantly (P ≤ 0.05) on all but one of the measurements. Eight out of 11 measurements were significantly greater in the farm fox population, while only tail length, ear height, and length of the right hind limb were greater in the population of wild foxes. The opposite trend was observed when analysing variation in the measurements — the farm foxes were characterized by a greater variability only in the case of body weight, body length, and breadth of chest. When analysing the sexual dimorphism index in different sex and population groups, in almost all analysed traits, the greatest differences occurred between farm males and wild females. All of the traits examined in this study are important for survival of wild foxes. However, because importance of some traits was reduced during domestication and selective breeding (farm foxes do not have to fight for survival), the genetic relationship between them may have weakened. Other possible causes of morphological differences between the studied groups of red foxes are discussed as well.

The Market

2021 ◽  
pp. 264-278
Author(s):  
Matthew Watson
Keyword(s):  
Eighteenth Century ◽  
Adam Smith ◽  
Daniel Defoe ◽  
The Self ◽  
Presentation Of Self ◽  
Market Institutions ◽  
Late Eighteenth Century ◽  
Specific Performance ◽  
The Right ◽  
Objective Existence

The market has no independent objective existence beyond the practices that are embedded within particular market institutions. Those practices, in turn, involve learning particular techniques of performance, on the assumption that each market environment rewards a corresponding type of market agency. However, the ability to reflect what might be supposed the right agential characteristics is not an instinct that is hardwired into us from birth. Instead it comes from perfecting the specific performance elements that allow people to recognize themselves as potentially competent actors in any given market context. This chapter takes the reader back to some of the earliest accounts of these performance elements, showing that important eighteenth-century debates about how to flourish as a market actor revolved around little else. In the early eighteenth century, Daniel Defoe emphasized the need for market actors to create convincing falsehoods, hiding their true feelings behind a presentation of self where customers’ whims were always catered to. In the late eighteenth century, Adam Smith was still wrestling with the dilemma of how genuinely the self could be put on display within market environments, believing that customers had a responsibility to curb excessive demands so that merchants’ interests could be respected. This meant not forcing them into knowingly false declarations, so that moral propriety and economic expedience were not necessarily antagonistic forces in the development of merchants’ character.

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