Petunia
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Petunia
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Author : Tom Gerats
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-11
Petunia written by Tom Gerats and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-11 with Science categories.
Petunia belongs to the family of the Solanaceae and as such is closely related to important crop species like tomato, potato, eggplant, pepper and tobacco. With around 35 species described it is one of the smaller genera and among those there are two groups of species that make up the majority of them: the purple flowered P.integrifolia group and the white flowered P.axillaris group. It is assumed that interspecific hybrids between members of these two groups have laid the foundation for the huge variation in cultivars as selected from the 1830’s onwards. Petunia thus has been a commercially important ornamental since the early days of horticulture. Despite that, Petunia was in use as a research model only parsimoniously until the late fifties of the last century. By then seed companies started to fund academic research, initially with the main aim to develop new color varieties. Besides a moment of glory around 1980 (being elected a promising model system, just prior to the Arabidopsis boom), Petunia has long been a system in the shadow. Up to the early eighties no more then five groups developed classical and biochemical genetics, almost exclusively on flower color genes. Then from the early eighties onward, interest has slowly been growing and nowadays some 20-25 academic groups around the world are using Petunia as their main model system for a variety of research purposes, while a number of smaller and larger companies are developing further new varieties. At present the system is gaining credibility for a number of reasons, a very important one being that it is now generally realized that only comparative biology will reveal the real roots of evolutionary development of processes like pollination syndromes, floral development, scent emission, seed survival strategies and the like. As a system to work with, Petunia combines advantages from several other model species: it is easy to grow, sets abundant seeds, while self- and cross pollination is easy; its lifecycle is four months from seed to seed; plants can be grown very densely, in 1 cm2 plugs and can be rescued easily upon flowering, which makes even huge selection plots easy to handle. Its flowers (and indeed leaves) are relatively large and thus obtaining biochemical samples is no problem. Moreover, transformation and regeneration from leaf disc or protoplast are long established and easy-to-perform procedures. On top of this easiness in culture, Petunia harbors an endogenous, very active transposable element system, which is being used to great advantage in both forward and reverse genetics screens. The virtues of Petunia as a model system have only partly been highlighted. In a first monograph, edited by K. Sink and published in 1984, the emphasis was mainly on taxonomy, morphology, classical and biochemical genetics, cytogenetics, physiology and a number of topical subjects. At that time, little molecular data was available. Taking into account that that first monograph will be offered electronically as a supplement in this upcoming edition, we would like to put the overall emphasis for the second edition on molecular developments and on comparative issues. To this end we propose the underneath set up, where chapters will be brief and topical. Each chapter will present the historical setting of its subject, the comparison with other systems (if available) and the unique progress as made in Petunia. We expect that the second edition of the Petunia monograph will draw a broad readership both in academia and industry and hope that it will contribute to a further expansion in research on this wonderful Solanaceae.
Petunia
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Author : Kenneth C. Sink
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Petunia written by Kenneth C. Sink and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
The solanaceous family is one of the most interesting and diverse plant groups among the dicotyledons. Plants of various genera are grown for their edible parts, for drugs, or for ornamental purposes. The six genera grown primarily as ornamental plants are: Browallia, Brunsfelsia, Datura, Nicotiana, Petunia, and Salpiglossis. Of these, Petunia is the most economically important in terms of worldwide use as an ornamental plant. In addition to its horticultural value and prominence, the genus Petunia plays a key role as experimental plant material in a broad range of horticultural and biological research endeavors. Because of the broad range of commercial and research interest in Petunia, the collaborating authors believed it was appropiate to prepare a monograph dealing in a comprehensive manner with all economic and biological facets of the genus Petunia. The authors sincerely hope that this monograph will be of resource value and stimulating to students, researchers, and workers in industry interested in having a compendium of the knowledge available on the genus Petunia. KENNETH C. SINK Contents Introduction. By K. C. Sink 1 1.1 Survey of Petunia as a Research Species 1 2 1.2 Survey of Petunia as an Economic Plant Species 2 Taxonomy. By K. C. Sink ....... 3 2.1 Geographical Distribution ...... 3 2.2 Status of Petunia Within the Solanaceae 3 2.3 Early Taxonomie Studies . . . . . . . 4 2.4 Species Described by Fries, Steere, Smith, and Downes 5 ...... 7 2.5 Origin of the Cultivated P. hybrida Vilm.
Petunia
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Author : Roger Duvoisin
language : en
Publisher: Turtleback Books
Release Date : 2015-03-10
Petunia written by Roger Duvoisin and has been published by Turtleback Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-10 with categories.
For use in schools and libraries only. When Roger Duvoisin first introduced children to his proud and silly goose, Petunia, in 1950, it was love at first sight. Those children have grown up, but Petunia is every bit as fresh and funny and muddled as the day she was born. In this, the first of the series of classic books featuring the silly goose, Petunia finds a book--and, deciding that if she owns a book she must be wise, dispenses hilariously mistaken advice to the other animals in the farmyard. With its gentle lesson and the kind of humor that kids love best, this new edition of a picture book classic will delight and inspire a whole new generation of readers.
Petunia
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Author : K. C. Sink
language : en
Publisher:
Release Date : 2014-01-15
Petunia written by K. C. Sink and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.
Petunia S Garden
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Author : Daniel Silverhawk
language : en
Publisher: Xlibris Corporation
Release Date : 2023-03-28
Petunia S Garden written by Daniel Silverhawk and has been published by Xlibris Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-28 with Fiction categories.
When Petunia was a piglet, she planted a garden from some seeds, And she worked very hard digging up ugly weeds. She loved her little garden with all the flowers that she grew, And she would sing to them daily, and play music for them too. Then one summer day, the farmer stopped by. And took Petunia from her home and put her in a pigsty. But. Petunia kept dream alive so her heart wouldn't harden, And you will discover how she did it as you read, "Petunia's Garden".
The Lessons Of Petunia Rabbit
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Author : Della Long Halper
language : en
Publisher: Christian Faith Publishing, Inc.
Release Date : 2019-04-25
The Lessons Of Petunia Rabbit written by Della Long Halper and has been published by Christian Faith Publishing, Inc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-25 with Fiction categories.
Petunia is a story about guilt, loss, and redemption. I wrote Petunia because it had been my professional experience that guilt and the difficulty in managing that emotion is perhaps the most ubiquitous bane of both children and young adults. In a sizable percentage of cases, the guilt acquired in childhood is still undiminished by those who have reached full adult and even older adult ages. Although guilt is experienced by most people at some time in their existence, there are simply too few guidelines when it comes to working through the discomfort that most feel when guilt becomes a part of their everyday thinking and feeling. One of the more prevalent challenges encountered in the education and care of today's child is the responsibility parents and teachers undertake as they struggle to impart sensible and lasting guidelines in behavior choices. The story of Petunia Rabbit provides an enjoyable matrix through which the caretaker has a basis for this undertaking. Petunia's story demonstrates that even in the most dire of circumstances, faith, structure, and tradition continue to be of lasting importance in the life of the developing child and ultimately becomes the sanctuary for the self-hatred felt by a surprising number of youngsters and young adults in all levels of our society. Many of today's children are overly protected in some venues but exposed to unacceptable (age inappropriate, pointlessly violent) material as seen in video games, on their computers, on television, and in films. The core event in Petunia's story is a huge flood that devastates her family's life and those of most of the characters included in the story. Using a natural disaster as the impetus for events was a purposeful choice in that most individuals are able to identify with those events that result in the probability of altered lives and fortunes. And while devastating, natural disasters are not the result of purposeful or directed cruelty. The story of Petunia provides an excellent basis of learning from models within the family and in society. Petunia's story demonstrates the following: 1. The necessity of a personal belief system to augment and strengthen individual coping abilities and societal structures, which are often lost during chaotic events. 2. The importance of fostering reliability, competence, caretaking, and self-respect 3. The value of developing an awareness of the feelings and struggles of others. 4. The risk and uncertainty associated with impulsive behaviors. 5. The ultimate worth of meaningful work, interpersonal ties, and education. 6. The value of paying attention. 7. The challenge of responsibility. 8. The value of and need for suitable mentors. 9. The importance of using resources wisely, including emotional resources. 10. The necessity of building a reputation for honor and integrity.
Petunia S Peculiar Day
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Author : Elise Williams
language : en
Publisher: FriesenPress
Release Date : 2015-09-09
Petunia S Peculiar Day written by Elise Williams and has been published by FriesenPress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-09 with Juvenile Fiction categories.
Petunia loves to go on adventures but when the weather doesn't agree with her plans to go to the zoo with her mom she must find another way to have an exciting day. Will she find a way to see the lions, monkeys and elephants after all?...
Petunia S Winning Plan
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Author : Maddison Lange
language : en
Publisher: Lulu.com
Release Date : 2013-11-12
Petunia S Winning Plan written by Maddison Lange and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-12 with categories.
Cartoon character Petunia the Pig finds that her poor eating habits and inactive lifestyle limit her activities. With help from Dr. Shorthorn and her mother, Petunia comes up with a winning plan and begins to change her habits. The whole family supports Petunia by eating better and exercising with her. Petunia gradually gets healthier, feels better and successfully makes the mud volleyball team.
Princess Petunia S Sweet Apple Pie
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Author : Karen Poth
language : en
Publisher: Zonderkidz
Release Date : 2012-11-20
Princess Petunia S Sweet Apple Pie written by Karen Poth and has been published by Zonderkidz this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-20 with Juvenile Fiction categories.
A Lesson in Being Helpful When the King of Scone holds a pie contest, every knight wants to win! But what happens when Princess Petunia gives up her oven to help another Veggie? This is a Level One I Can Read! book, which means it’s perfect for children learning to sound out words and sentences. It aligns with guided reading level J and will be of interest to children Pre-K to 2nd grade.
A Pet For Petunia
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Author : Paul Schmid
language : en
Publisher: Harper Collins
Release Date : 2011-01-25
A Pet For Petunia written by Paul Schmid and has been published by Harper Collins this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-01-25 with Juvenile Fiction categories.
Meet Petunia. More than anything, Petunia wants a pet. “I’ll feed my pet every day,” she promises her parents. “I’ll take her for walks. I’ll read stories to her and draw her pictures.” Petunia knows she can take care of a pet, but what happens when the pet she most desires is a skunk?