Results 161 to 170 of about 1,088,744 (389)
Attraction of cabbage stem flea beetle (Psylliodes chrysocephala) to host plant odors
Oilseed rape (Brassica napus, OSR) cultivation in Europe is threatened by the cabbage stem flea beetle (Psylliodes chrysocephala, CSFB). Limited management options due to resistance and environmental concerns necessitate innovative control strategies. This study explores CSFB responses to volatile organic compounds (VOCs) emitted by host and non‐host ...
Daniel Rüde+3 more
wiley +1 more source
X-RAY AND ULTRAVIOLET STUDIES ON POLLEN TUBE CHROMOSOMES. I. THE EFFECT OF ULTRAVIOLET (2537 Å) ON X-RAY-INDUCED CHROMOSOMAL ABERRATIONS [PDF]
C. P. Swanson
openalex +1 more source
The pollen tube clear zone: clues to the mechanism of polarized growth.
Pollen tubes usually exhibit a prominent region at their apex called the "clear zone" because it lacks light refracting amyloplasts. A robust, long clear zone often associates with fast growing pollen tubes, and thus serves as an indicator of pollen tube
P. K. Hepler, L. J. Winship
semanticscholar +1 more source
Persistent Symmetry Frustration in Pollen Tubes
Pollen tubes are extremely rapidly growing plant cells whose morphogenesis is determined by spatial gradients in the biochemical composition of the cell wall. We investigate the hypothesis (MP) that the distribution of the local mechanical properties of the wall, corresponding to the change of the radial symmetry along the axial direction, may lead to ...
Pietruszka, Mariusz+2 more
openaire +7 more sources
Complementarity between Orius predators improves control of foliar and flower pests
Orius predators are commonly used against thrips in many crops. Certain species are suggested to be more effective against flower pests, while others may control effectively foliar pests. Here, we show that Orius species combinations may complement each other and effectively control both flower and foliar pests on gerbera.
Angelos Mouratidis+3 more
wiley +1 more source
Norms of Pollen-Tube Growth in Incompatible Matings of Self-Sterile Plants [PDF]
E. M. East
openalex +1 more source
Glycosidases in pear pollen tube development [PDF]
During the in vitro germination of pear pollen, several hydrolases were released into the medium. They were apparently eluted from the pollen grain, since the activity was the same when germination was inhibited. These enzymes, once released, had no role
Matile, Ph, Rosenfield, C.-L
core
This study evaluated pheromone‐based mating disruption of the strawberry pest Acleris comariana (Lepidoptera: Tortricidae). In treated crop areas males were more attracted to the dispensers than to the trap lures and aggregated near such dispensers, explaining the low catches in traps in these areas as an effect of competitive disruption via induced ...
Glenn Peter Svensson+5 more
wiley +1 more source
Abstract The Acanthaceae tribe Barlerieae is an understudied lineage that consists of ca. 500 species, many of which are rare and range restricted. Though understudied, it is clear that many species play vital roles in tropical ecosystems, including supporting a wide range of pollinators and herbivores. The tribe contains 13 genera, the two largest and
Robert Comito+3 more
wiley +1 more source
MAA3 (MAGATAMA3) Helicase Gene is Required for Female Gametophyte Development and Pollen Tube Guidance in Arabidopsis thaliana [PDF]
The female gametophyte plays a central role in the sexual reproduction of angiosperms. We previously isolated the maa3 (magatama3) mutant of Arabidopsis thaliana, defective in development of the female gametophyte, micropylar pollen tube guidance, and ...
Ishiguro, Sumie+3 more
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