Results 21 to 30 of about 773,592 (356)

Changes in the structural indices of annual shoots of Quercus rubra under anthropogenic impact

open access: yesBiosystems Diversity, 2017
Air pollution is one of the important problems of large cities. In connection with this, comprehensive study of the mechanisms of the corresponding reactions of tree species, introduced in the process of landscaping, to various environmen tal factors is ...
V. P. Bessonova, A. P. Kryvoruchko
doaj   +1 more source

Trend of changes for morpho-physiological characteristics of chickpea (Cicer arietinum L.) under salinity stress (NaCl) condition [PDF]

open access: yesپژوهش‌های حبوبات ایران, 2014
Salinity is one of the most important widespread abiotic stresses which causes toxic and nutritional effects as well as loss of water absorption ability by plants. Plants respond to salinity with morphological changes.
Mohammad Arefian   +3 more
doaj   +1 more source

Pathogenicity of the root-knot nematode Meloidogyne javanica on potato [PDF]

open access: yes, 2005
Host–parasite relationships and pathogenicity of Meloidogyne javanica on potatoes (newly recorded from Malta) were studied under glasshouse and natural conditions. Potato cvs Cara and Spunta showed a typical susceptible reaction to M. javanica under
Castillo, Pablo   +3 more
core   +2 more sources

Analysis of Z-Source Inverter For Space Vector PWM Fed 3-Phase InductionMotor [PDF]

open access: yesEngineering and Technology Journal, 2010
This paper presents analysis of operation and implementation of Z-source space vector pulse width modulation (SVPWM) inverter fed three phase induction motor. The Z-source is an alternative power conversion topology that can both buck and boost the input
Majid K. Al-Khatat
doaj   +1 more source

Recent Advances in Understanding Carotenoid Derived Signaling Molecules in Regulating Plant Growth and Development

open access: yesFrontiers in Plant Science, 2015
Carotenoids (C40) are synthesized in plastids and perform numerous important functions in these organelles. In addition, carotenoids can be processed into smaller signaling molecules that regulate various phases of the plant’s life cycle.
Li eTian
doaj   +1 more source

Shooting Athlete Mental Training

open access: yesJuara, 2021
This study aims to determine the effect of meditation practice and internal imagery on the concentration and shooting accuracy of the 10-meter category in the Perbakin Bantul branch. The research method was experimental with a two-group pretest-posttests
Arief Ibnu Haryanto   +5 more
doaj   +1 more source

Influence of Poultry Manure Rates and Spacing on Growth, Yield, Nutrient Concentration , Uptake and Proximate Composition of Onion (Allium cepa L.)

open access: yesNotulae Scientia Biologicae, 2018
Plant spacing determines to a greater extent crop performance in terms of growth and yield. The production of crop with organic fertilizer also plays a vital role in organic agriculture. Field studies were conducted to evaluate the effects of spacing and
Ehizogie Joyce FALODUN   +1 more
doaj   +1 more source

Control of Arabidopsis apical-basal embryo polarity by antagonistic transcription factors. [PDF]

open access: yes, 2010
Plants, similarly to animals, form polarized axes during embryogenesis on which cell differentiation and organ patterning programs are orchestrated. During Arabidopsis embryogenesis, establishment of the shoot and root stem cell populations occurs at ...
Long, Jeff A, Smith, Zachery R
core   +2 more sources

Iso-osmotic regulation of nitrate accumulation in lettuce (Lactuca sativa L.) [PDF]

open access: yes, 2010
Concerns about possible health hazards arising from human consumption of lettuce and other edible vegetable crops with high concentrations of nitrate have generated demands for a greater understanding of processes involved in its uptake and accumulation ...
Abd-Elmoniem E. M   +33 more
core   +1 more source

Phytoremediation potential of alimurgic plants in metal-contaminated environments [PDF]

open access: yes, 2016
As soil metal contamination is rapidly increasing worldwide, mainly because of human activities, phytomanagement of polluted land is becoming an environmentally sustainable and cost-effective option that can also produce biomass and energy as secondary ...
Bandiera, Marianna   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy