Results 51 to 60 of about 68,403 (207)
Pollen grain surface in Vaccinium myrtillus as seen in scanning electron microscopy
Acta Societatis Botanicorum Poloniae, 2014 Pollen grain surface of Vaccinium myrtillus L. was analyzed by scanning electron microscopy. Pollen grains remain in tetrahedral tetrads. Grain surface is verrucose, consisting of thick, irregularly shaped muri, surrounding small, round or oval lumina ...
Józef Kocoń +2 more
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Fertilization in Flowering Plants 2. Selection of the Male Partner is the Prerogative of the Maternal Parent [PDF]
, 2016 After the pollen grain reaches the stigma through outsourced agents (pollinators), the next step before fertilization is to select the right type of pollen.
Shivanna, KR
core
Effect of temperature on the growth and development of quinoa plants (Chenopodium quinoa Willd.): A review on a global scale [PDF]
, 2020 The increase in temperature and constant changes in climate negatively affects the development of the plants, which has resulted in an alarming situation for many of the different crops of agricultural and food interest.
Bazile, Didier +5 more
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Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico [PDF]
, 2015 Systematic descriptions and illustrations of the best preserved angiosperm pollen grains (Monocotyledonae or Liliopsida: n= 7 and Dicotyledonae or Magnoliopsida: n= 41) recovered from Cuayuca Formation (late Eocene-early Oligocene), Puebla State ...
Martínez Hernández, Enrique +2 more
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Determination of cardinal temperatures for sugar apple ( Annona squamosa L.)
Ciência e Agrotecnologia, 2016 The sugar apple is highly dependent on the pollination and fruit tree pollen performance is crucial for successful fertilization and fruit set. The objective of this study was to determine the cardinal temperatures for in vitro pollen grains germination ...
Bruno Rafael Alves Rodrigues +5 more
doaj +1 more source
Acta Scientiarum: Technology, 2021 The success in the application of artificial pollination techniques, aspects of floral biology should receive special attention, especially regarding the viability studies of pollen grains.
Digelma Camila Barros Araújo +7 more
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Developmental biology of dispersed pollen grains
The International Journal of Developmental Biology, 2020 Professor Panchanan Maheshwari served as Professor and Head of the Department of Botany, University of Delhi, from 1950 to 1966 and built an internationally reputed School of integrated plant embryology. Studies carried out during and after Maheshwari’s period from this School have enormously advanced our knowledge of the structural, developmental and ...
Kundaranahalli R, Shivanna +1 more
openaire +3 more sources
Effects of Gamma Radiation on Salix nigra Marsh Cuttings [PDF]
, 1985 Dormant cuttings of Salix nigra Marsh, were exposed to gamma radiation from a cobalt-60 source at a dose rate of 1110 roentgens (r) per minute. Exposure doses ranged from 50 r through 100 Kr with 100% mortality at 10 Kr.
Gehring, Roy Z.
core +2 more sources
International Journal of Plant Biology, 2016 In this work we conducted a quantitative analysis of the nuclear DNA-content of developing sperm cells of the plant Brassica campestris L. The sperm cells were in young pollen grain, mature pollen grain and pollen tubes. When generative cells, at the pre-
Hua Deng
doaj +1 more source
Frontiers in Plant Science, 2020 Improving the development of inferior grains is important for increasing maize yield under high-density conditions. However, the effect of micronutrients, especially zinc (Zn), on the development of inferior grains and maize yield under field conditions ...
Dun-Yi Liu +6 more
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