نتایج جستجو برای: leaf curling

تعداد نتایج: 85910  

2014
Reggie Wilcox

We present an algorithm for tracking the position of a curling stone from broadcast footage of curling events. Due to the constant panning of the camera in addition to perspective changes in the image, this introduces a need for image rectification and tracking of the camera view on the ice. We break the algorithm in four distinct components: rectification, frame tracking, stone tracking, and l...

2015
Hui Liu Colin P. Osborne

The repeated evolution of C4 photosynthesis in independent lineages has resulted in distinct biogeographical distributions in different phylogenetic lineages and the variants of C4 photosynthesis. However, most previous studies have only considered C3/C4 differences without considering phylogeny, C4 subtype, or habitat characteristics. We hypothesized that independent lineages of C4 grasses hav...

Journal: :Madras agricultural journal 2022

Urdbean leaf crinkle disease (ULCD) caused by an ungrouped virus is a destructive and serious of urdbean(Vigna mungo (L.) Hepper). commonly infected distinguished the symptoms extreme crinkling, curling, puckering, rugosity leaves, stunting plants malformation floral organs. An intensive survey was conductedduring year of2018-2019 in major blackgram growing districts Tamil Nadu viz., Pudukkotta...

Journal: :Australasian Plant Disease Notes 2021

A field survey was carried out in districts of southern Karnataka to assess the pospiviroid infections on tomato crop. The plants showing disease symptoms such as severe leaf curling, epinasty, chlorosis, purpling and stunted growth that are characteristics viroid infection were collected along with asymptomatic analysed by RT-PCR. sample from Mandya district showed an amplicon size ~ 361 bp wh...

2010
Walter Nkeabeng Leke

Begomoviruses are plant-infecting viruses, which are transmitted by the whitefly vector Bemisia tabaci. They have a genome of single-stranded DNA that consists of either a single (monopartite) or two components (bipartite) with a component size of approximately 2.8 kb. Many monopartite begomoviruses in the Old World have been found to be associated with betasatellite and alphasatellite molecule...

Journal: :Health promotion and chronic disease prevention in Canada : research, policy and practice 2015
D K Ting R J Brison

INTRODUCTION Our study examines a recreational curling population to describe patterns of injury occurrence, estimate risk of injury and to gauge attitudes towards equipment-based prevention strategies. METHODS In a retrospective case series, we queried the Canadian Hospitals Injury Reporting and Prevention Program (CHIRPP), a national injury surveillance database, for curling injuries entere...

2012
Akhtar J. Khan Sohail Akhtar Rob W. Briddon Um Ammara Abdulrahman M. Al-Matrooshi Shahid Mansoor

Watermelon chlorotic stunt virus (WmCSV) is a bipartite begomovirus (genus Begomovirus, family Geminiviridae) that causes economic losses to cucurbits, particularly watermelon, across the Middle East and North Africa. Recently squash (Cucurbita moschata) grown in an experimental field in Oman was found to display symptoms such as leaf curling, yellowing and stunting, typical of a begomovirus in...

2011
Abed GERA Ludmila MASLENIN Phyllis G. WEINTRAUB Munir MAWASSI

During 2009 2011, symptoms of curling, yellow and purple discoloration of leaves, stunting of shoots, and formation of bunchy, fibrous secondary roots were observed in several ornamental crops, carrot, celery, and parsley fields located in several production areas of Israel. Incidence of disease was almost 20-80% in individual affected fields. Moreover, the observed symptoms resembled those cau...

Journal: :Development 1996
B A Krizek E M Meyerowitz

The class B organ identity genes, APETALA3 and PISTILLATA, are required to specify petal and stamen identity in the Arabidopsis flower. We show here that the activities of these two genes are sufficient to specify petals and stamens in flowers, in combination with the class A and C genes, respectively. Flowers of plants constitutively expressing both PISTILLATA and APETALA3 under the control of...

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