Results 51 to 60 of about 113,947 (303)

Paraffin section observation of flower bud differentiation of Chimonanthus praecox in Kunming and comparison of the differentiation processes in different regions, China

open access: yesHorticultural Plant Journal, 2022
Chimonanthus praecox is an important ornamental plant and cut flower material in China. It blooms in the freezing winter and its flower emits charming fragrance. However, in different region the flowering time is variable.
Sijin Li, Nan Yang, Longqing Chen
doaj   +1 more source

Plant responses to photoperiod [PDF]

open access: yes, 2009
Photoperiod controls many developmental responses in animals, plants and even fungi. The response to photoperiod has evolved because daylength is a reliable indicator of the time of year, enabling developmental events to be scheduled to coincide with ...
Abe   +154 more
core   +1 more source

Live confocal imaging of Arabidopsis flower buds

open access: yesDevelopmental Biology, 2016
Recent advances in confocal microscopy, coupled with the development of numerous fluorescent reporters, provide us with a powerful tool to study the development of plants. Live confocal imaging has been used extensively to further our understanding of the mechanisms underlying the formation of roots, shoots and leaves.
Prunet, Nathanaël   +2 more
openaire   +3 more sources

Decoding the Pathophysiology of Autoimmune Diseases—Mechanism, Triggers, and Nanotherapeutics: A Review

open access: yesAdvanced NanoBiomed Research, EarlyView.
This review highlights how autoimmune diseases arise from intertwined immunological, genetic, and environmental factors, emphasizing gut microbiota dysbiosis as a pivotal driver. It outlines emerging nanotechnology‐based strategies—such as liposomes, hydrogels, and polymeric nanoparticles—that enhance targeted drug delivery, minimize systemic toxicity,
Md. Meraj Ansari   +5 more
wiley   +1 more source

The correlation between the developmental stages of pea microspores and the morphology of flower buds [PDF]

open access: yesBIO Web of Conferences
To investigate the correlation between microspore development stage and the appearance and morphology of flower organs in Pisum sativum, the novel pea materials YP58 and YW90 were employed as experimental subjects.
Li Zelin   +7 more
doaj   +1 more source

Properties of Peach Flower Buds Which Facilitate Supercooling [PDF]

open access: yesPlant Physiology, 1982
Water in dormant peach (Prunus persica [L.] Batsch. var. ;Harbrite') flower buds deep supercooled. Both supercooling and the freezing of water within the bud axis and primordium as distinct components depended on the viability of the bud axis tissue. The viability of the primordium was not critical.
openaire   +2 more sources

Early stages of tooth development in the harbor porpoise Phocoena phocoena

open access: yesThe Anatomical Record, EarlyView.
Abstract Here we describe the stages of tooth development in toothed whales on the basis of the harbor porpoise (Phocoena phocoena). The aim of the study was to find out whether these stages are identical to those of other mammals analyzed so far although toothed whales are homodont and monophyodont.
Lasse M. Mathes   +2 more
wiley   +1 more source

Variation of Endogenous Hormones during Flower and Leaf Buds Development in ‘Tianhong 2’ Apple

open access: yesHortScience, 2020
Hormones have an important role in apple flower bud differentiation; therefore, it is necessary to systematically explore the dynamic changes of endogenous hormones during flower and leaf bud development to elucidate the potential hormone regulation ...
Jinxin Wang   +5 more
doaj   +1 more source

Learning to ‘be’ an activist: Exploring the relationship between activism and informal education in a youth activism group case study

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Young people in the United States (and beyond) access spaces for activism in varied ways, including the out‐of‐school time sector, where youth activism (YA) groups draw on informal learning pedagogies to engage young people in collective action.
Laura Weiner
wiley   +1 more source

High atmospheric pressure rescues plant growth under humidity stress: A model for climate‐resilient deep underground agriculture

open access: yesDeep Underground Science and Engineering, EarlyView.
High atmospheric pressure (120 kPa) in deep underground counteracts humidity‐induced physiological stress in plants, stabilizing water balance and enhancing antioxidative defenses. This synergy boosts biomass despite elevated humidity, demonstrating sustainable deep underground agriculture potential under climate uncertainty.
Yuxin He   +6 more
wiley   +1 more source

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