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Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants:XXX. Relation between fertilization and the number of engorged pollen grains among spikelets cooled at different pollen developmental stages
Anther Cool injury Cool temperature Microspore Pollen Rice Sterility
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2009/8/6
Cooling treatments at different stages of pollen development lowered the percentage of fertilized spikelets through decreasing the number of engorged pollen grains per anther at anthesis. Cooling duri...
Light Microscopic Observations on Pollen and Anther in Rice (Oryza sativa L.):II. Stages from early microspore to mature pollen
Development Germ pore Light microscopy Microspore Mitosis Pollen
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2009/8/4
Development of pollen cells as well as the fate of tapetal cells were studied by the glycol methacrylate semithin method for light microscopy. Sections including artificially produced images of pollen...
Labor-saving Preparation Method of Pollen Suspension for Artificial Pollination of Kiwifruit
Actinidia deliciosa anthesis extender ‘Hayward’
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2009/7/8
A new labor-saving method for preparing pollen suspension was developed for spray pollination of kiwifruit. Fresh anthers were dried on paper for anthesis. The dried anthers were directly suspended in...
VARIATION IN RAGWEED (AMBROSIA ARTEMISIIFOLIA L.) POLLEN CONCENTRATION IN CENTRAL CROATIA, 2002-2003
aerobiology ragweed allergenic pollen pollen count
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2010/12/23
The aim of the study was to determine the onset, duration and termination of the ragweed pollen season; intradiurnal, daily and monthly pollen variation, and possible differences in the occurrence and...
ALLERGENIC AIRBORNE GRASS POLLEN IN SZCZECIN, POLAND
Poaceae, pollen meteorological conditions correlations Szczecin
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2010/12/24
Grass pollens are known as very potent aeroallergens. The aim of the study was to analyse the grass pollen season in Szczecin (western Poland) in the years 2000-2003 and to establish a relationship be...
TIME AIRBORNE POLLEN CALENDAR OF LUBLIN, POLAND
allergenic pollen pollen seasons 16 taxa
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2010/12/24
Pollen concentration in the atmosphere of Lublin (eastern Poland) was studied by means of volumetric method using Hirst sampler (VPPS 2000, Lanzoni) in 2001-2002.
RAGWEED POLLEN IN THE AIR OF SZCZECIN
pollen grain pollen count allergens ragweed (Ambrosia spp.
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2010/12/24
The aim of the study was to analyse the ragweed (Ambrosia) pollination in Szczecin (western Poland) in the years 2000-2002. Measurements were performed by the volumetric and gravimetric method.
THE OCCURRENCE AND ALLERGISING POTENTIAL OF AIRBORNE POLLEN IN WEST BENGAL, INDIA
Airborne pollen allergy pollinosis environmental factors
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2010/12/24
A continuous 2-year volumetric aerobiological survey was conducted in Berhampore town, a centrally located and representative part of West Bengal, India. The aim of the study was to assess the allergi...
ENVIRONMENTAL FACTORS AFFECTING THE START OF POLLEN SEASON AND CONCENTRATIONS OF AIRBORNE ALNUS POLLEN IN TWO LOCALITIES OF GALICIA (NW SPAIN)
Alnus Spain pollen aerobiology predictive models
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2010/12/24
Alnus pollen is an early component of the annual atmospheric aerosol of the north-west regions of Spain, which causes the first occurrence of allergic symptoms. Seasonal and intra-daily variation of A...
URTICACEAE POLLEN CONCENTRATION IN THE ATMOSPHERE OF NORTH WESTERN SPAIN
Urticaceae pollen grains meteorological factors
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2010/12/24
Plants of the Urticaceae family can develop into a pest on soils enriched with nitrogen. Urticaceae pollen is a biohazard because it elicits severe pollinosis. Pollen grains were sampled by using a La...
CHARACTERISATION OF POLLEN ALLERGENS
pollen grain plant allergen hazel alder birch
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2010/12/24
Allergy is hypersensitive reaction by the body to foreign substances (antigens) which in similar amounts and circumstances are harmless within the bodies of other people. The allergic response develop...
ANALYSIS OF AIRBORNE POLLEN CONCENTRATIONS IN ZAGREB, CROATIA, 2002
aerobiology pollinosis allergenic plants
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2010/12/24
Employing the volumetric method by use of a Hirst sampler, a total of 71,286 pollen grains, as many as 94.20% of them allergenic, were recorded in the air samples from the city of Zagreb during the 20...
AIRBORNE POLLEN CALENDAR OF IZMIR - TURKEY
pollen calendar pollen Izmir
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2010/12/24
A qualitative and quantitative evaluation of pollen concentration in the atmosphere of Izmir metropolitan area is presented. Investigations were undertaken from November 1998 to October 1999 using gra...
AIRBORNE POLLEN GRAINS IN BURSA, TURKEY, 1999-2000
Turkey Bursa pollen pollen calendar
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2010/12/24
In this study, pollen grains were sampled by using a Lanzoni trap (Lanzoni VPPS 2000) in atmosphere of Bursa in 1999 and 2000. During two years, a total of 13,991 pollen grains/m3 which belonged to 59...
PROTEIN PROFILE OF THE ALLERGENIC POLLEN OF IPOMOEA FISTULOSA L. – A COMPARATIVE STUDY
Pollen Ipomoea fistulosa different geographical regions
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2010/12/27
The pollen of Ipomoea fistulosa L. is an important aeroallergen of India. The pollen of this plant was collected from full bloomed flowers growing in different places of West Bengal, India.