نتایج جستجو برای: salinity p

تعداد نتایج: 1292351  

2007
V. Vadez L. Krishnamurthy R. Serraj P. M. Gaur H. D. Upadhyaya R. K. Varshney

Salinity is an ever-increasing problem in agriculture worldwide, especially in South Asia (India, Pakistan) and Australia. Improved genotypes that are well adapted to saline conditions are needed to enhance and sustain production in these areas. A screening of 263 accessions of chickpea, including 211 accessions from ICRISAT’s mini-core collection (10% of the core collection and 1% of the entir...

Journal: :Revista de biologia tropical 2013
Miguel P Sastre Efrain Sánchez Marineé Flores Samuel Astacio Julianna Rodríguez Melissa Santiago Karina Olivieri Veronica Francis Juan Núñez

Bioluminescent bays and lagoons are unique natural environments and popular tourist attractions. However, the bioluminescence in many of these water bodies has declined, principally due to anthropogenic activities. In the Caribbean, the bioluminescence in these bays and lagoons is mostly produced by the dinoflagellate Pyrodinium bahamense var. bahamense. Laguna Grande is one of the three year-r...

Journal: :The Journal of experimental biology 2011
Ashwin Bhandiwad Sönke Johnsen

Transparency is an effective form of camouflage, but it must be present throughout the entire volume of an animal to succeed. Certain environmental stressors may cause physiological responses that increase internal light scattering, making tissue less transparent and more conspicuous to predators. We tested this in the transparent grass shrimp, Palaemonetes pugio, which is found in shallow estu...

1999
Tom Moens Magda Vincx

The present study investigates the influence of salinity and temperature on the life history of two estuarine bacterivorous nematode species, Pellioditis marina and Diplolaimelloides meyli, isolated from the mesohaline zone of the Westerschelde Estuary, SW Netherlands. Gravid females and adult males were inoculated in petri dishes containing agar layers of nine (for P. marina) or five (for D. m...

Journal: :Journal of insect physiology 2016
D Renault C Puzin N Foucreau A Bouchereau J Pétillon

In salt marshes, the alternation of low and high tides entails rapid shifts of submersion and aerial exposure for terrestrial communities. In these intertidal environments, terrestrial species have to deal with an osmotic loss in body water content and an increase in sodium chloride concentration when salt load increases. In salt marshes, spiders represent an abundant arthropod group, whose phy...

Journal: :تولید گیاهان زراعی 0

in order to evaluate the effect of salinity on water relation, ion accumulation, solute sugar, proline content, chlorophyll florescence and seed yield of isabgul (plantago ovata), french psyllium (p. psyllium) and great plantain (p. major), an experiment was conducted at vali-e-asr university of rafsanjan in 2010. this study was carried out as factorial experiment based on randomized complete b...

2016
Patrizia Serratore Fabio Ostanello Pier Luca Passalacqua Emanuele Zavatta Giorgia Bignami Andrea Serraino Federica Giacometti

The present work describes a retrospective study aiming to verify a possible correlation between the environmental conditions (temperature, salinity and dissolved oxygen), the abundance of Vibrio spp., and the prevalence of V. parahaemolyticus and V. vulnificus in the Manila clam R. philippinarum harvested in Sacca di Goro, Emilia-Romagna Region, Northern Italy. On the whole, 104 samples, colle...

2000
Saou-Lien Wong Jeng Chang

Effects of salinity and irradiance on growth, photosynthesis, and respiration of the commerŽ . cially important red alga Grateloupia filicina Lamouroux C. Agardh were examined in laboratory cultures. G. filicina thalli showed various degrees of growth over a broad range of experimental conditions, with a maximum growth rate of 13% d observed at 20‰ and 100 mmol photons m s. Salinity also altere...

2016
Geyang Wu Adam J. Peterson Craig F. Morris Kevin M. Murphy

Quinoa (Chenopodium quinoa Willd.) is an Andean crop with an edible seed that both contains high protein content and provides high quality protein with a balanced amino acid profile in embryonic tissues. Quinoa is a halophyte adapted to harsh environments with highly saline soil. In this study, four quinoa varieties were grown under six salinity treatments and two levels of fertilization, and t...

2008
A. Tavili M. Biniaz

The germination responses of Hordeum ulgare seeds to saline stress caused by different salt types was studied. For this, 25 seeds of mentioned species were placed on filter paper in Petri dishes containing distilled water (control), 60, 120, 180, 240, 300, 360 and 420 mM. saline solution of NaCl, CaCl2 an KCl. The results indicated that saline levels effects were significant (P < 0.05) for seed...

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