stomatal responses to drought stress and air humidity
Báo cáo khoa học: Cotton GhMPK2 is involved in multiple signaling pathways and mediates defense responses to pathogen infection and oxidative stress doc
... scavenger, increased tolerance against abi- otic stress in transgenic tobacco and yeast. J Exp Bot 60 , 339–349. 17 Mittler R (2002) Oxidative stress, antioxidants and stress tolerance. Trends Plant ... hormone signaling, biotic and abiotic stress responses, and development [15,16], whereas high concentrations of ROS can result in oxidative stress and cause irrevers- ible damage and hypersensitive ... JA, and methyl viologen (MV). The ectopic expression of GhMPK2 in transgenic tobacco plants led to enhanced resistance to fungi and viruses. This resistance was most probably attributable to elevated...
Ngày tải lên: 14/03/2014, 23:20
Physiological and biochemical responses to salt stress in the mangrove pptx
... M.C., Farquhar, G.D., 1984a. Photosynthetic and stomatal responses of two mangrove species, Aegiceras corniculatum and Avicennia marina, to long term salinity and humidity conditions. Plant Physiol. ... attributable to a reduction in stomatal opening. The likely sequence of events was thought to be increased salinity, water stress, stomatal closure, decrease in intracellular CO 2 , and decrease in photosynthesis. ... 1984b. Photosynthetic and stomata responses of the grey mangrove Avicennia marina to transient salinity conditions. Plant Physiol. 74, 7–11. Ball, M.C., Pidsley, S.M., 1995. Growth responses to salinity...
Ngày tải lên: 06/07/2014, 02:20
Báo cáo khoa học: "A comparison of photosynthetic responses to water stress in seedlings from 3 oak species: Quercus petraea (Matt) Liebl, Q rubra L and Q cerris L" doc
... induced by the drought treatment or to oversaturation of the leaf disks. Drought effects on stomatal conductance and net CO 2 assimilation rate Stomatal conductance to water vapor ... water stress and high irradiance, we subjected potted seed- lings to a gradually increasing drought and monitored predawn leaf water potential, gas exchange and photochemical ... 1991) and is therefore a useful tool to study physiological conse- quences of drought on photosynthetic elec- tron transport. To test responses of different oak spe- cies to...
Ngày tải lên: 08/08/2014, 19:21
Báo cáo lâm nghiệp: "Variations in seed and seedling responses to water stress in three provenances of Eucalyptus camaldulensis Dehnh" pptx
Ngày tải lên: 09/08/2014, 04:20
TheCortisol Connection Diet THE BREAKTHROUGH PROGRAM TO CONTROL STRESS AND LOSE WEIGHT doc
... help you to choose foods and meals with a high “balance factor” (more on this later), remind you when to eat and how to supplement your diet, and take the mystery and confusion out of how to approach ... balance-factor and helping- hand approach (what I eat and when I eat it) has enabled me to feel satiated and brings calmness to my life. I’ve done all the popular diets and group programs out there and ... sweets and fats (“comfort” foods). ◆ Cortisol also sends a potent signal to abdominal fat cells (those in your belly region) to store as much fat as pos- sible and hold on to it. ◆ Any form of stress whether...
Ngày tải lên: 29/03/2014, 04:20
Báo cáo lâm nghiệp: "An analysis of ecophysiological responses to drought in American Chestnut" ppt
... Net photosynthesis (A net ) and stomatal conductance to wa- ter vapor (g s ) of well watered () and water-stressed (ã) glasshouse American chestnut seedlings and control () and drought stressed ... caliper, and canopy width. Of the 20 plants, 10 plants were randomly assigned to a drought treatment and 10 plants were randomly assigned to a well-watered control. 2.1.1. Substrate water and measurements At ... Survey and synthesis of intra- and interspecific variation in stomatal sensitivity to vapour pressure deficit, Plant Cell Environ. 22 (1999) 1515–1526. [32] Paillet F.L., Chestnut: history and ecology...
Ngày tải lên: 07/08/2014, 16:20
báo cáo khoa học: "Direct and correlated responses to selection for and small 6-week body weight in mice" pps
Ngày tải lên: 09/08/2014, 22:22
Báo cáo lâm nghiệp: "Responses of photosynthesis and stomatal conductance to atmospheric humidity in some mediterranean Abies specie" ppt
Ngày tải lên: 09/08/2014, 04:20
HPA axis responses to laboratory psychosocial stress in healthy elderly adults, younger adults, and children: impact of age and gender ppt
... participants were exposed to the Trier Social Stress Test (TSST). The stress protocol caused highly significant ACTH and total plasma cortisol responses in older and younger male and female adults (all ... of 165 stress studies from different laboratories by Dickerson and Kemeny (2002). They concluded that the TSST-protocol is one of the best standardized tools to evoke HPA axis stress responses ... controlled stress studies are rare. The few data available, includ- ing responses to surgical stress, psychosocial laboratory stress, and CRF-provocation seem to point at similar stress- related...
Ngày tải lên: 22/03/2014, 14:20
Báo cáo lâm nghiệp: "Differential photosynthetic and survival responses to soil drought in two evergreen Nothofagus species" docx
... differently to drought, and our findings add to a body of evidence that the physiological basis of inter-specific variation in drought tol- erance is best understood by measurements made under ac- tual drought ... greater drought tolerance of N. dombeyi compared to N. nitida was associated with higher WUE and photosynthesis under severe drought stress. Acknowledgements: We thank the staff of the Instituto de ... Evolution 50 (1996) 92−102. [6] Escalona J.M., Flexas J. Medrano H., Stomatal and non -stomatal limitations of photosynthesis under water stress in field-grown grapevines, Aust. J. Plant Physiol. 26 (1999)...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo lâm nghiệp: "Physiological and morphological responses of dormant and growing Norway spruce container seedlings to drought after planting" docx
... frozen storage instead of growing seedlings from the same seedling stock. To achieve this aim, we compared physiological and morpholog- ical responses of dormant and growing seedlings to postplant- ing ... Pro Series, USA) were inserted in randomly selected boxes to record temperature and relative humidity during stor- age. Boxes were then transferred to frozen storage (–3.5 °C). The tem- perature ... egress and height growth were studied by exposing dormant and growing seedlings to different postplanting drought periods (0, 1, 2, 3 and 4 weeks) on a sandy experimental field site. To homogenize soil...
Ngày tải lên: 08/08/2014, 00:21
An investigation into some types of verbal responses to questions in English and Vietnamese conversation
... those in (a) and (b) respond to the question and are considered to be “answer”, whereas utterances like those in (c) to (i) respond to the verb of questioning itself and are considered to be “replies”. ... United States? (Q) B: That’s too easy. (C to Q) A: No it isn’t. (C to C) B: George Washington. (A to Q) In this study, we try to isolate some types of responses to questions which have the illocutionary ... terms of age and status. The superior has the option to be authoritative or to be friendly with his subordinate, but the subordinate is bound to deferential and respectful and obedient toward the...
Ngày tải lên: 07/11/2012, 14:54
food neophobia among the finns and related responses to familiar and unfamiliar foods
... although it was clearly of plant origin. Responses to Lo R choco- late bar and to FlavSav R tomato suggest that the FNS scores may predict responses to unfamiliar foods that are non-ethnic for ... the willingness to try nine foods: pineapple, strawberry yogurt, bread cheese, beef tomato, pasha, turkey, snails, falafel balls, and genetically modiđed tomato (Figs. 1e,g,h,i and 2a,b,f,i,j). ... đnding that was similar to US and Swedish populations (Frank & Hursti, 1999). Education is likely to enhance the access and exposures to various stimuli, events and issues, and thereby it can...
Ngày tải lên: 03/04/2013, 21:06
A comparative analysis of institutions, national policies, and cooperative responses to floods in Asia
... and P. G. Tran. 2006. Prevention and cure: health sector responses to flooding. Science and Culture. Gosh, A., and J. Roy. 2006. Coping with extreme climatic events: analysis of household and ... for discussion and that, ultimately, fair goals are set. The capacity to mobilize and then coordinate resources is often critical to prevention and response actions. The capacity to skillfully ... Flood and Storm Control National Committee for Search and Rescue Department of Dyke Management, Flood and Storm Control, Ministry of Agriculture and Rural Development Ordinance on Flood and...
Ngày tải lên: 22/10/2013, 10:15