Abstract
Pollen viability, in-vivo pollen tube growth, fruit ripening, seed germination, seed weight, whole plant vigor, and natural flower senescence were investigated in homozygous and heterozygous transgenic ethylene-insensitive CaMV35S:: etr1-1 petunias ( Petunia × hybrida `Mitchell Diploid'). Homozygous or heterozygous plants were used to determine any maternal and/or paternal effects of the CaMV35S:: etr1-1 transgene. All experiments except for those used to determine natural flower senescence characteristics were conducted in both high and low temperature greenhouses to determine the effect of temperature stress on transgenic plants when compared to wild-type. Results indicated that ethylene-insensitive plants had a decrease in pollen viability, root dry mass, seed weight, and seed germination. Fruit ripening, seed germination, and seed weight were maternally regulated. In contrast, the CaMV35S:: etr1-1 transgene is completely dominant in its effect on natural flower senescence.
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Claims 6
Claim · model-written summary
Ethylene-insensitive petunias had decreased pollen viability.
_flowers_in_Westgate_Gardens%2C_Canterbury.jpg?width=60){kind=small}
PetuniaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
_flowers_in_Westgate_Gardens%2C_Canterbury.jpg?width=500)
Verbatim
e0“Results indicated that ethylene-insensitive plants had a decrease in pollen viability, root dry mass, seed weight, and seed germination”
t0“petunias”
Claim · model-written summary
Ethylene-insensitive petunias had decreased root dry mass.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that ethylene-insensitive plants had a decrease in pollen viability, root dry mass, seed weight, and seed germination”
t0“petunias”
Claim · model-written summary
Ethylene-insensitive petunias had decreased seed weight.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that ethylene-insensitive plants had a decrease in pollen viability, root dry mass, seed weight, and seed germination”
t0“petunias”
Claim · model-written summary
Ethylene-insensitive petunias had decreased seed germination.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that ethylene-insensitive plants had a decrease in pollen viability, root dry mass, seed weight, and seed germination”
t0“petunias”
Claim · model-written summary
Fruit ripening, seed germination and seed weight were maternally regulated.
- Outcome
- Fruit ripening, seed germination, and seed weighte0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit ripening, seed germination, and seed weight were maternally regulated”
t0“petunias”
Claim · model-written summary
The CaMV35S:: etr1-1 transgene was completely dominant for natural flower senescence.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the CaMV35S:: etr1-1 transgene is completely dominant in its effect on natural flower senescence”
t0“petunias”