Results 281 to 290 of about 3,198,958 (332)

Mutations Altering Leaf Morphology in Tomato

International Journal of Plant Sciences, 2001
We examined leaf morphology, anatomy, and margin development in wild‐type and mutant leaves in order to define the genetic pathways controlling the different stages of leaf development in tomato. Tomato mutants were placed into four categories based on the degree of leaf complexity and margin development.
Sharon Kessler, Minsung Kim, Thinh Pham, Natalie Weber, Neelima Sinha   +4 more
openaire   +1 more source

Influence of Sulphur Nutrition on Leaf Morphology

Nature, 1952
IN connexion with certain experiments dealing with the influence of sulphur nutrition on tobacco mosaic virus, the number of local lesions per unit leaf area was used as the criterion of susceptibility to the virus. The procedure involved the rubbing of a suspension of the virus on selected leaves of Nicotiana glutinosa, the test plant.
openaire   +2 more sources

Capillary efficiency study in leaf vein morphology inspired channels

Bioinspiration & Biomimetics, 2023
Abstract Inspired by the capillary transport function of plant leaf veins, this study proposes three typical leaf vein features by observing a large number of leaves, including wedge shape, branch asymmetry, as well as hierarchical arrangement, and investigates their capillary transport mechanism.
Jingyu Shen, Ce Guo, Yaopeng Ma, Ao Dong
openaire   +2 more sources

Drier climate shifts leaf morphology in Amazonian trees

Oecologia, 2017
The humid forests of Amazonia are experiencing longer and more intense dry seasons, which are predicted to intensify by the end of the 21st century. Although tree species often have long generation times, they may still have the capacity to rapidly respond to changing climatic conditions through adaptive phenotypic plasticity.
Juliana Stropp, Isiane M. dos Santos, Ricardo A. Correia, Jhonatan Guedes dos Santos, Thainá L. P. Silva, Janisson W. dos Santos, Richard J. Ladle, Ana C. M. Malhado   +7 more
openaire   +2 more sources

Parallel evolution of leaf morphology in gnetophytes

Organisms Diversity & Evolution, 2015
In the present paper, an ephedroid macrofossil species from the Early Cretaceous Yixian Formation of western Liaoning of China is described as new to science: Ephedra multinervia Yang et Lin, sp. nov. This species has typical ephedroid morphology, e.g.
Yong Yang, Longbiao Lin, D. Ferguson
semanticscholar   +3 more sources

Leaf identification using morphology and structural decomposition

2014 International Conference on Signal Processing and Integrated Networks (SPIN), 2014
This article presents a novel method of classification of plants using their leaves. Major plant species have unique leaves which are different from each other by features as shape and texture. The primary step for the identification is detection of the edges of plant leaves which is done by Otsu's algorithm, texture features from Gray Level ...
Parag Bhandarkar, Harshal Doshi, Mamata Kadakia, Rizwan Ahmed   +3 more
openaire   +1 more source

Leaf Morphology Affects Horseradish Regeneration In Vitro

International Journal of Vegetable Science, 2008
The morphology of horseradish (Armoracia rusticana P. Gaertn., B. Mey & Scherb.) leaves varies through the growing season. The leaves range from laminate (complete) in the summer to pinnate (fern-leaf) toward the end of the growing season in the fall, with intermediate types appearing regularly. The causes of these changes are not understood.
A. M. Shehata, R. M. Skirvin, M. A. Norton   +2 more
openaire   +1 more source

Morphological features for leaf based plant recognition

2013 IEEE International Conference on Image Processing, 2013
Although plant recognition has become an increasingly popular research topic, it remains nonetheless a scientific and technical challenge. Besides all the difficulties of classic object recognition, such as illumination, viewpoint and scale variations, plants can additionally exhibit visual changes depending on their age and condition, thus demanding a
E. Aptoula, B. Yanikoglu
openaire   +1 more source

Change of Leaf Morphology along Altitudinal Gradients

Advanced Materials Research, 2013
It is the most effective way to study the effect of global warming on plant morphology by analyzing a plant species on a mount along altitudinal gradients. Altitudinal increase means decrease of temperature and metabolic rate as well. This might affect the leaf morphology greatly. The SEM study reveals that the size of nanopore on the epidermis changes
Hai Yan Kong, Rou Xi Chen, Ji Huan He, Lu Feng Mo   +3 more
openaire   +1 more source

Leaf morphology of the imbricate-leaved Podocarpaceae

Australian Systematic Botany, 1989
The leaf arrangement and cuticular micromorphology of living species of the Podocarpaceae with an imbricate leaf arrangement demonstrates that generic determination is possible on this basis alone. This is of particular interest in Dacrydium, Halocarpus, Lepidothamnus and Lagarostrobos, which until recently were considered to be monogeneric.
PM Wells, RS Hill
openaire   +1 more source