Recovery of Declined Pear Tree Vitality through Grafting with Scions from a Vigorous Cultivar
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چکیده
منابع مشابه
Advances in the Breeding of Tree Peonies and a Cultivar System for the Cultivar Group
Tree peonies native to China have become an internationalized ornamental plant and are widely cultivated in many countries in Asia, America, Europe and Australia. Breeding starting from domestication of wild plants through selection of bud mutations and seedlings to hybridization has been done for about 1500 years. At present a few thousand cultivars are cultivated globally in gardens or propag...
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This paper extends recent work on decision tree grafting. Grafting is an inductive process that adds nodes to inferred decision trees. This process is demonstrated to frequently improve predictive accuracy. Superficial analysis might suggest that decision tree grafting is the direct reverse of pruning. To the contrary, it is argued that the two processes are complementary. This is because, like...
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Introduction: Joy and cheerfulness is the missing thing of contemporary man and the common desire of all people. Man is a purposeful being who seeks joy, happiness, and prosperity, and he does not feel joy, happiness, and prosperity until he achieves what he wants. The cheerfulness is one of the factors affecting economic, social, cultural, and political development and promotes sustainable dev...
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Plant-associated Erwinia include pathogenic and nonpathogenic species. We report the 5.6-Mb genome sequence of Erwinia billingiae OSU19-1, isolated from a canker on a pear tree inoculated with Erwinia amylovora. OSU19-1 and a closely related European isolate, E. billingiae Eb661(T), share many similarities including 40 kb of plasmid sequence.
متن کاملSocial Vitality from the Perspective of Psychologists
Introduction: Joy and cheerfulness is the missing thing of contemporary man and the common desire of all people. Man is a purposeful being who seeks joy, happiness, and prosperity, and he does not feel joy, happiness, and prosperity until he achieves what he wants. The cheerfulness is one of the factors affecting economic, social, cultural, and political development and promotes sustainable dev...
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ژورنال
عنوان ژورنال: HortScience
سال: 1998
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.33.4.595c