Results 31 to 40 of about 31,460 (241)

The Effectiveness of Physical and Chemical Defense Responses of Wild Emmer Wheat Against Aphids Depends on Leaf Position and Genotype

open access: yesFrontiers in Plant Science, 2021
The bird cherry-oat aphid (Rhopalosiphum padi) is one of the most destructive insect pests in wheat production. To reduce aphid damage, wheat plants have evolved various chemical and physical defense mechanisms.
Anuradha Singh   +4 more
doaj   +1 more source

Investigation on resistance of different peach cultivars to two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) in laboratory conditions [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2019
Two-spotted spider mite (TSSM), Tetranychus urticae Koch is an important pest of peach in Iran. This study was conducted to estimate the resistance of five peach cultivars (Redtap, G.H.Hale, Kardi, Elberta and Springtimes).
A. R. Nemati   +3 more
doaj   +1 more source

Multi-Dimensional Molecular Regulation of Trichome Development in Arabidopsis and Cotton

open access: yesFrontiers in Plant Science, 2022
Plant trichomes are specialized epidermal cells that are widely distributed on plant aerial tissues. The initiation and progression of trichomes are controlled in a coordinated sequence of multiple molecular events.
Yanan Wang   +8 more
doaj   +1 more source

Variation Between Three Eragrostis tef Accessions in Defense Responses to Rhopalosiphum padi Aphid Infestation

open access: yesFrontiers in Plant Science, 2020
Tef (Eragrostis tef), a staple crop that originated in the Horn of Africa, has been introduced to multiple countries over the last several decades. Crop cultivation in new geographic regions raises questions regarding the molecular basis for biotic ...
Nathan M. Gyan   +7 more
doaj   +1 more source

Cannabis Glandular Trichomes: A Cellular Metabolite Factory

open access: yesFrontiers in Plant Science, 2021
Cannabis has been legalized for recreational use in several countries and medical use is authorized in an expanding list of countries; markets are growing internationally, causing an increase in demand for high quality products with well-defined ...
Cailun A. S. Tanney   +3 more
doaj   +1 more source

Cell polarity in Arabidopsis trichomes [PDF]

open access: yesSeminars in Cell & Developmental Biology, 2001
Arabidopsis leaf trichomes are unicellular hairs that display a highly characteristic cell form that has a fixed orientation with respect to the basal-distal leaf axis. The genetic, molecular and cell biological analysis of trichome morphogenesis reveal that various cellular processes need to be coordinated including regulation of the cell cycle, the ...
Bouyer, Daniel, Kirik, V, Hülskamp, M
openaire   +3 more sources

Interaction between two timing microRNAs controls trichome distribution in Arabidopsis.

open access: yesPLoS Genetics, 2014
The miR156-targeted squamosa promoter binding protein like (SPL) transcription factors function as an endogenous age cue in regulating plant phase transition and phase-dependent morphogenesis, but the control of SPL output remains poorly understood.
Xue-Yi Xue   +7 more
doaj   +1 more source

Fine Mapping of Leaf Trichome Density Revealed a 747-kb Region on Chromosome 1 in Cold-Hardy Hybrid Wine Grape Populations

open access: yesFrontiers in Plant Science, 2021
Segregation for leaf trichome density was observed in a cold-hardy hybrid grape population GE1025 (N = ∼125, MN1264 × MN1246) that was previously used to detect a quantitative trait locus (QTL) underlying foliar phylloxera resistance on chromosome 14 ...
Lu Yin   +8 more
doaj   +1 more source

Quantification of variability in trichome patterns [PDF]

open access: yesFrontiers in Plant Science, 2014
While pattern formation is studied in various areas of biology, little is known about the noise leading to variations between individual realizations of the pattern. One prominent example for de novo pattern formation in plants is the patterning of trichomes on Arabidopsis leaves, which involves genetic regulation and cell-to-cell communication.
Greese, B., Huelskamp, M., Fleck, C.
openaire   +3 more sources

Coleoptera claws and trichome interlocking

open access: yesJournal of Comparative Physiology A, 2022
Abstract The present study tests the hypothesis that the specialized claws with a basal tooth found in some coccinellid beetles represent an adaptation to interlock with flexible unbranched trichomes of different plants. We compared the attachment ability of three Coleoptera species, Chnootriba elaterii, Harmonia axyridis (both Coleoptera ...
Salerno, Gianandrea   +5 more
openaire   +3 more sources

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