نتایج جستجو برای: autumnal sowing

تعداد نتایج: 6407  

Journal: :Freshwater Biology 2023

Globally, lakes are warming and browning with ongoing climate change. These changes significantly impact a lake's biogeochemical properties all organisms, including invertebrate consumers. The effects of these essential to understand, especially during critical periods after before the growing season, that is, autumn spring, which can determine composition consumer community. In this study, we ...

This study was conducted to determine whether selecting an optimum sowing date couldimprove yield. The experiment consisted of sowing a film-covered, drip-irrigated cotton field onfour sowing dates from April to May in 2011-2012 at the Agrometeorological ExperimentalStation of Wulanwusu, which was in an arid region of north-western China. Late sowing datesproduced less yield and water-use effic...

Journal: :Zoological science 2004
Juha Asikainen Anne-Mari Mustonen Heikki Hyvärinen Petteri Nieminen

The raccoon dog (Nyctereutes procyonoides) is a canid omnivore with autumnal fattening and winter sleep. Farmraised raccoon dogs have elevated plasma leptin and growth hormone levels in the winter and depressed plasma cortisol and insulin concentrations during wintertime food deprivation. However, these parameters were not previously tested in the wild population. In the present study 37 wild r...

2016
Günther Vito Margotta

It has been shown previously that in adult Rana esculenta, caught in nature, cold-shocked and brain-injured, encephalic cell proliferation is increased when capture and experiment occurred in spring and depressed when they occurred in autumn. Upon exclusive thermal stress cell proliferation appeared weak in spring and intense in autumn. The present study has investigated cold-shocked, but other...

2012
Patricia H Serrot Bartolomé Sabater Mercedes Martín

Three evergreen (Laurus nobilis, Viburnum tinus and Thuja plicata) and two autumnal abscission deciduous trees (Cydonia oblonga and Prunus domestica) have been investigated for the presence (zymogram and immunodetection) and functionality (post-illumination chlorophyll fluorescence) of the thylakoid Ndh complex. The presence of encoding ndh genes has also been investigated in T. plicata. Wester...

ژورنال: علوم زراعی ایران 2020
Moradi-Telavat, , Moshatati, Ali, Saeidi, Srorlmolook, Sepahvand, Niazali, Siadat, Seyed Ataollah,

To study the effect of sowing time and nitrogen levels on growth, yield and nitrogen efficiency of quinoa cv. Titicaca, a field experiment was conducted at in 2017-2018 growing season research farm of Agricultural and Natural Resources Sciences University of Khuzestan, Ahvaz, Iran. The experiment was conducted in split plot arrangement in randomized complete block design with four replications....

2014
M. C. DHARA B. DUARY P. K. BISWAS P. BHATTACHARYYA

277 Lathyrus (Lathyrus sativus L.) is mostly grown on the residual soil moisture in rice-fallows as utera (relay) crop (Gupta and Bhowmick, 2005; Mondal and Ghosh, 2005). But low productivity especially under utera system is the major problem associated with this crop (Bhowmick et al., 2005). Even there is a limited scope for agronomic manipulation under rice-utera system although it has potent...

Journal: :Zeitschrift fur Naturforschung. Teil B, Chemie, Biochemie, Biophysik, Biologie und verwandte Gebiete 1970
H Oelze-Karow H Mohr

The temporal pattern of control by phytochrome of the enzyme lipoxygenase (EC 1.13.1.13) in the m ustard seedling (Sinapis alba L.) is described. The biosynthetic system which produces lipoxygenase does not respond to phytochrome (Pfr) up to 33.25 h after sowing (25 °C ). By this time the control by Pfr comes suddenly and fully into play. At 48 h after sowing the system escapes from the control...

2014
Jadwiga ŻEBROWSKA Władysław MICHAŁEK

The study of chlorophyll fluorescence (CF) parameters i.e.: Fo, Fm, Fv/Fm, Y, qP, qN, F’o, F’m was conducted in two strawberry cultivars ‘Honeoye’ and ‘Teresa’. Measurements of their values were done twice: in an early autumn and late spring. Fluorescence of five dark-adapted mature leaves derived from each cultivar was measured in the laboratory at room temperature with the use of a portable p...

2015
Siv Grethe Aarnes Ida Fløystad Julia Schregel Ole Petter Laksforsmo Vindstad Jane Uhd Jepsen Hans Geir Eiken Rolf A. Ims Snorre B. Hagen Lee A. Bulla

The autumnal moth (Epirrita autumnata) is a cyclically outbreaking forest Lepidoptera with circumpolar distribution and substantial impact on Northern ecosystems. We have isolated 21 microsatellites from the species to facilitate population genetic studies of population cycles, outbreaks, and crashes. First, PCR primers and PCR conditions were developed to amplify 19 trinucleotide loci and two ...

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