نتایج جستجو برای: necrosis and terminal bud blight symptoms

تعداد نتایج: 16877527  

Journal: :BIO web of conferences 2022

One of the main causes worldwide decrease sowing quality soybean seeds is a cotyledonous bacterial blight in form necrotic decaying spots on outer or inner side cotyledons. We hypothesize that there primary non-bacterial cause for development cotyledons seeds. carried out research 2016-2020 at V.S. Pustovoit All-Russian Research Institute Oil Crops Cotyledonous never recorded immature healthy p...

2008
Alan R. Biggs William W. Turechek Tim R. Gottwald

Fire blight of apple (Malus × domestica Borkh.) can be found throughout the United States and many other countries and is a serious problem on trees of susceptible apple cultivars (9). Fire blight is caused by the bacterium Erwinia amylovora and occurs also on pear, quince, Rubus spp., and several other rosaceous hosts. The initial inoculum in an established orchard comes from overwintering can...

2003
C. C. Rhoades S. L. Brosi A. J. Dattilo P. Vincelli

American chestnut is one of hundreds of plant species plagued by root rot caused by Phytophthora cinnamomi. Phytophthora root rot is thought to have contributed to chestnut dieback prior to the arrival of chestnut blight, and it may now present a serious limitation to establishment of blight-resistant hybrid chestnut. We manipulated soil compaction and moisture to evaluate the effect of soil ph...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1393

colonialism is an important factor in cultural production and many of cultural constructs all over the world. english and english language teaching are at the center of the contemporary world. postcolonial literature, the genre achebe exercised, is a kind of historical text which has become central to different debates and criticisms. in this thesis, different elements related to the colonial...

Investigation into total phenolics and their spectrum in the buds and corms of saffron Crocus and a study of polyphenol oxidase changes in the apical bud during different stages of growth and development showed that changes in the growth and development of the apical bud may be related to changes in the composition of phenolics in the corm. A sudden intense change in content and kind of ph...

Journal: : 2022

In order to investigate the cause of wilting symptoms in red pepper field Korea, frequency occurrence peppers showing was investigated cultivation fields Goesan, Chungcheongbuk-do for 5 years from 2010 2014. There a difference depending on year investigation, but increased as investigation period passed June and July August. During this period, Ralstonia solanacearum causing bacterial wilt isol...

2002
G. C. Eizenga Dale Bumpers

Sheath blight of rice (Oryza sativa L.) is a major rice disease throughout the world including the southern United States. This disease, which is caused by Rhizoctonia solani Kühn (teleomorph: Thanatephorus cucumeris (Frank) Donk), was first reported in 1910 and now occurs throughout temperate and tropical production areas, being most prominent where rice is grown under intense, high-fertility ...

Journal: :Archivum histologicum Japonicum = Nihon soshikigaku kiroku 1983
Y Yaku

Parotid and submandibular glands in human fetuses at 16, 18 and 24 weeks of gestation were studied by electron microscopy. The salivary glands of the 16 week fetus were composed of primary ducts and terminal buds. The primary duct was double layered and consisted of inner glycogen-rich ductal cells and outer myoepithelial precursor cells. The terminal bud was a cell cluster which consisted of g...

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