Results 71 to 80 of about 3,040 (198)

Additions to the Acanthaceae of the Flora of Tropical East Africa: two new species from northern Kenya

Nordic Journal of Botany, EarlyView.
The new species Barleria kulalensis I.Darbysh. & Q.Luke and Dicliptera huriensis I.Darbysh. & Q.Luke are described and illustrated and their extinction risk is assessed provisionally. The former is based on Barleria sp. G of the Flora of Tropical East Africa (FTEA), with recent field observation and collection of this species from the foothills of ...
Iain Darbyshire, Quentin Luke
wiley   +1 more source

Road air pollution harms the reproductive success of a bee‐pollinated wildflower: A dusty threat to biodiversity

PLANTS, PEOPLE, PLANET, EarlyView.
Dust, a common form of air pollution, is particularly problematic on roadsides, which are important habitats for plants and pollinators. We investigated whether and how road dust affects plant sexual reproduction using Primula chungensis in a biodiversity hotspot. Our study provides compelling evidence that road dust can harm plant reproductive success
Yong‐Peng Cha, Yin‐Mei Ma, David W. Inouye, Zhao‐Li Tong, Zhi‐Qiang Zhang   +4 more
wiley   +1 more source

Ants contribute to raspberry pollination in protected cropping systems

Agricultural and Forest Entomology, EarlyView.
Ants visited raspberry flowers more frequently than European honey bees (Apis mellifera), Australian stingless bees (Tetragonula carbonaria) and flies, many transporting raspberry pollen on their bodies, indicating potential pollination capacity. Ants were active flower visitors at most times of the day and may extend the daily pollination window and ...
Pia Malm, Blake M. Dawson, Jelena Preradovic, Johan Ekroos, Romina Rader, Bar Shermeister, Lena A. Schmidt   +6 more
wiley   +1 more source

R2R3-type LoMYB21 affects jasmonate-regulated development and dehiscence of anthers in lily (Lilium oriental hybrids)

Horticultural Plant Journal
Lilies are widely cultivated for cut flowers, but their large anthers carry a considerable amount of colored pollen that is dispersed easily. Studying the molecular mechanism of anther development and dehiscence could help solve this problem.
Zheng Tong, Tingting Dong, Qiuhua Li, Rui Wang, Junna He, Bo Hong   +5 more
doaj   +1 more source

Colony‐level pollen collection reflects visitation of managed bumble bees (Bombus impatiens) in strawberry fields and surrounding landscapes without reducing pollen limitation

Agricultural and Forest Entomology, EarlyView.
We extracted pollen from colony beeswax to quantify season‐long, colony‐level resource use and tested how managed Bombus impatiens visitation and Rosaceae pollen collection relate to landscape context and strawberry pollination. Increased managed bumble bee visitation was not influenced by surrounding landcover, did not reduce pollen limitation and ...
Leeah I. Richardson, Olivia Miller, David Sossa, Aaron Iverson, Scott McArt, Katja Poveda, Heather Grab   +6 more
wiley   +1 more source

Molecular phylogenetics of Melastomataceae and Memecylaceae [PDF]

, 2001
Melastomataceae are among the most abundant and diversified groups of plants throughout the tropics, but their intrafamily relationships and morphological evolution are poorly understood. Here we report the results of parsimony and maximum likelihood (ML)
Clausing, G., Renner, Susanne S.
core   +1 more source

Optimized Cas‐SF01 gene‐editing toolbox shortens flowering timing in commercial maize inbred JING724

Journal of Integrative Plant Biology, EarlyView.
The gene‐editing tool Cas‐SF01 was optimized to maximize its efficiency in maize. The Cas‐SF01‐TREX2 configuration was superior in enabling high‐purity gene mutations. This toolkit enabled commercial maize to flower seven days earlier without yield loss, thereby securing harvests and accelerating crop breeding.
Mengyuan Liu, Yao Wang, Lu Zhang, Xiang Zhang, Xiaqing Wang, Xinxiang Liu, Yue Fu, Xiaoxu Li, Ziheng Song, Ya Liu, Ronghuan Wang, Jiuran Zhao   +11 more
wiley   +1 more source

A TEST OF BURCK'S HYPOTHESIS RELATING ANTHER DEHISCENCE TO NECTAR SECRETION [PDF]

New Phytologist, 1977
SUMMARYWilliam Burck in 1906/07 suggested that anther dehiscence in many flowers results from loss of considerable amounts of water not by transpiration, as commonly believed, but rather by withdrawal of the water internally to other tissues, particularly nectaries.
RUDOLF SCHMID, PETER H. ALPERT
openaire   +1 more source

ZmMS1 coordinates ROS homeostasis, lipid allocation, and male fertility for maize breeding applications

Journal of Integrative Plant Biology, EarlyView.
The redox‐sensitive transcriptional repressor ZmMS1 coordinates reactive oxygen species homeostasis and lipid allocation for pollen exine and anther cuticle formation. Loss or precocious expression of ZmMS1 causes male sterility. Constitutive overexpression induces dwarfism and semi‐sterility. These findings enable flexible maize male‐sterility systems
Quancan Hou, Xueli An, Zhenying Dong, Biao Ma, Suowei Wu, Ke Xie, Ziwen Li, Tingwei Yan, Yilin Jiang, Taotao Zhu, Bin Ma, Lina Zhao, Yan Long, Xiangyuan Wan   +13 more
wiley   +1 more source

Analysis of anther dehydration: a process required for anther dehiscence and pollen release [PDF]

In flowering plants, the opening of the anther to release pollen is carefully timed to maximise reproductive potential. Manipulation of this process is an important tool for plant breeding and the production of hybrid crops.
Dennis, Ruth
core   +1 more source