Results 51 to 60 of about 508,724 (264)
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
Studies on in vitro manipulation of male and female reproductive systems of flowering plants [PDF]
, 1993 The overall aim of this research project is to investigate the possibility of using pollen as a vector for transporting extracellular substances to the site of gamete fusion in the embryo sac.
Hussein, N, Hussein, Noureldaim
core
Land birds on atolls: diversity, origin, and function
Biological Reviews, EarlyView.ABSTRACT Oceanic islands are global hotspots of avian biodiversity and endemism. Their isolation and distinct environmental conditions have uniquely shaped the evolutionary trajectories of island birds, while, in turn, land bird communities have become critical providers of ecological functions to island ecosystems.
Sebastian Steibl +6 more
wiley +1 more source
Grassland Research, EarlyView.Abstract Background Seed shattering limits the production of Elymus sibiricus L., and application of exogenous brassinosteroid significantly alleviates plant organ abscission. Methods To explore the potential regulatory network of brassinosteroid on seed shattering, the abscission zone of E. sibiricus cv. Lanyu No.
Huanhuan Lu +6 more
wiley +1 more source
Acta Societatis Botanicorum Poloniae, 2014 It is shown that callose synthesis in the Oenothera biennis pollen tube is regulated by the endogenous Ca2+ level. Calcium antagonists reduced the amount of callose in the wall above the tip of the pollen tube (Verapamil - calcium channels blocker) and ...
Elżbieta Bednarska
doaj +1 more source
Rice, 2022 Understanding pollen tube growth is critical for crop yield maintenance. The pollen tube provides a path for sperm cells for fertilization with egg cells.
Sunok Moon +10 more
doaj +1 more source
Infection mechanisms of Rhizoctonia cerealis in wheat
iMeta, EarlyView.We discover that R. cerealis (Rc) is a primary pathogen causing sharp eyespot of wheat after 335 distinct isolates were isolated from 1683 SE‐diseased wheat plants across China over 7 years using a single hyphal tip isolation method. We then generated high‐quality reference genomes via de novo sequencing of five representative Rc isolates and ...
Yan Ren +13 more
wiley +1 more source
The microtubular cytoskeleton in pollen tubes: structure and role in organelle trafficking
, 2006 Microtubules are a fundamental component of plant cells, in which they achieve many critical functions. In pollen tubes, however, their specific role remains unsolved and ambiguous.
Cai, Giampiero, Cresti, Mauro
core +1 more source
Editorial: Regulation of Pollen Tube Growth [PDF]
, 2021 In angiosperms, the pollen tube is a simple system composed of the vegetative cell and the two sperm cells which, nevertheless, accomplishes a very important process, essential for the life of flowering plants on Earth, i.e., sexual reproduction.
Cai G. +2 more
core +1 more source
Microscopy Research and Technique, EarlyView.This study provides the palynological analysis of 12 Crucianella L. taxa using LM and SEM. Variations in pollen size, aperture number, and exine ornamentation were identified as key traits, demonstrating their taxonomic value for distinguishing closely related species and subspecies within the genus. ABSTRACT Crucianella L.
Sevcan Celenk +3 more
wiley +1 more source