salinity stress plants ppt

Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt

Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt

... biotic stress responses. Although auxins, GAs, and cytokinins have been implicated primarily in developmental processes in plants, they regulate responses to stress or coordinate growth under stress ... during development and adaptive stress responses in plants. It plays crucial roles in resp onses of vegetative tissues to abiotic stresses such as drought and high salinity (Zhu 2002). It accumulates ... or BR-treated plants. Oxidative stress- related genes encoding monodehydroascorbate reductase and thioredoxin, the cold and drought stress response genes COR47 and COR78, and the heat stress- related...

Ngày tải lên: 14/02/2014, 12:20

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Báo cáo khoa học: Overexpression of putative topoisomerase 6 genes from rice confers stress tolerance in transgenic Arabidopsis plants ppt

Báo cáo khoa học: Overexpression of putative topoisomerase 6 genes from rice confers stress tolerance in transgenic Arabidopsis plants ppt

... that brassinosteroids are also implicated in modulation of stress responses such as cold stress, heat stress, salt stress, oxidative stress, and pathogen infection [43–47]. Recently, it has been ... biotic stress- related genes in trans- genic Arabidopsis plants, providing stress tolerance. However, the exact molecular mechanisms underlying these explanations remain to be elucidated. Abiotic stresses ... in transgenic Arabidopsis plants and may be used to engineer stress tolerance in crop plants. Furthermore, for a better understanding of the functions of TOP6 genes, transgenic rice plants should be generated...

Ngày tải lên: 30/03/2014, 10:20

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Tài liệu AISC-ASD89 Allowable Stress Design pptx

Tài liệu AISC-ASD89 Allowable Stress Design pptx

... KẾ THEO ỨNG SUẤT CHO PHÉP AISC - ASD89 (American Institute of Steel Construction’s “Allowable Stress Design”) 1.ỨNG SUẤT NÉN CHO PHÉP F a ≥ f a = g P A f a : Ứng suất nén do tải trọng...

Ngày tải lên: 10/12/2013, 01:15

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Tài liệu WHO guidelines on good agricultural and collection practices (GACP) for medicinal plants ppt

Tài liệu WHO guidelines on good agricultural and collection practices (GACP) for medicinal plants ppt

... for medicinal plants and good collection practices for medicinal plants, respectively. Section 4 outlines common technical aspects of good agricultural practices for medicinal plants and good ... activities:.5 2. Good agricultural practices for medicinal plants 7 2.1 Identification/authentication of cultivated medicinal plants 7 2.1.1 Selection of medicinal plants 7 2.1.2 Botanical identity 7 2.1.3 Specimens ... hygienic practice for spices and dried aromatic plants (15). The WHO guidelines on good agricultural and collection practices (GACP) for medicinal plants do not provide sufficient guidance for...

Ngày tải lên: 25/01/2014, 16:20

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Tài liệu DEVELOPING A FOOD DEFENSE PLAN FOR MEAT AND POULTRY SLAUGHTER AND PROCESSING PLANTS pptx

Tài liệu DEVELOPING A FOOD DEFENSE PLAN FOR MEAT AND POULTRY SLAUGHTER AND PROCESSING PLANTS pptx

... POULTRY SLAUGHTER AND PROCESSING PLANTS JANUARY 2007 (U PDATED JUNE 2008) BY COMPLETING PAGES 13 THROUGH 16 IN THIS GUIDE, SLAUGHTER AND PROCESSING PLANTS WILL HAVE A FOOD DEFENSE ... Signature Developing a Food Defense Plan for Meat and Poultry Slaughter and Processing Plants Storage Security 11. Which of the following food defense procedures does your facility ... chemicals? 6 Developing a Food Defense Plan for Meat and Poultry Slaughter and Processing Plants 11 Some examples of potential vulnerabilities and food defense measures are listed...

Ngày tải lên: 21/02/2014, 01:20

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Báo cáo khoa học: Photosynthetic acclimation: State transitions and adjustment of photosystem stoichiometry – functional relationships between short-term and long-term light quality acclimation in plants ppt

Báo cáo khoa học: Photosynthetic acclimation: State transitions and adjustment of photosystem stoichiometry – functional relationships between short-term and long-term light quality acclimation in plants ppt

... found to be useful for assessing the ability of plants to perform a proper LTR [13,31] because they exhibit characteristic differ- ences between plants acclimated to PSI-light or PSII- light. ... mutants, grown in parallel with wild- type plants under PSI-light or PSII-light alternating every 2–3 days, produced  50% fewer seeds than the wild-type plants. The same experiment, but with light shifts ... nuclear photosynthesis genes might be disturbed. stn7 mutant plants, however, displayed no significant changes in transcript profiles when compared with wild-type plants, suggesting that the STN7 kinase activity,...

Ngày tải lên: 16/03/2014, 06:20

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Báo cáo khoa học: Cellular response to unfolded proteins in the endoplasmic reticulum of plants pptx

Báo cáo khoa học: Cellular response to unfolded proteins in the endoplasmic reticulum of plants pptx

... the endoplasmic reticulum stress response in a manner unique to plants. Proc Natl Acad Sci USA 102, 5280–5285. 85 Shen J, Chen X, Hendershot L & Prywes R (2002) ER stress regulation of ATF6 ... of molecular chaperones during ER stress. Taken together, these data suggest that apoptotic PCD is induced in plants when ER homeostasis is not restored after stress. Future perspectives Plant ... Transgenic Arabidopsis thaliana plants with a 10-fold higher level of GPT activity were resistant to tunicamycin at a con- centration that was lethal to control plants [44]. Like- wise, transgenic plants grown...

Ngày tải lên: 16/03/2014, 11:20

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ASSESSMENT OF EXPLOSIVE DESTRUCTION TECHNOLOGIES FOR SPECIFIC MUNITIONS AT THE BLUE GRASS AND PUEBLO CHEMICAL AGENT DESTRUCTION PILOT PLANTS ppt

ASSESSMENT OF EXPLOSIVE DESTRUCTION TECHNOLOGIES FOR SPECIFIC MUNITIONS AT THE BLUE GRASS AND PUEBLO CHEMICAL AGENT DESTRUCTION PILOT PLANTS ppt

... Secondary Waste Disposal Planning for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants. Washington, D.C.: The National Academies Press. UXB International Incorporated. 2007. ... TECHNOLOGIES FOR SPECIFIC MUNITIONS AT THE BLUE GRASS AND PUEBLO CHEMICAL AGENT DESTRUCTION PILOT PLANTS Committee to Review Assembled Chemical Weapons Alternatives Program Detonation Technologies Board...

Ngày tải lên: 22/03/2014, 10:20

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Air Pollution Damage to Plants ppt

Air Pollution Damage to Plants ppt

... length of expo- sure increase. Sensitive plants are injured by exposures of 0.5 parts per million (ppm) for 4 hours, or 0.25 ppm for 8 to 24 hours. Plants are most sensitive to sulfur diox- ide ... leaf-fluoride concentrations of 20 to 150 ppm often injure sensitive plants, al- though resistant varieties and species of plants will tolerate leaf concentrations of 500 to 4,000 ppm or more ... is often observed near swimming pools, water-purification plants, and sewage-disposal facilities. Concentration Very susceptible plants show symptoms when exposed for 2 hours or more at...

Ngày tải lên: 29/03/2014, 18:20

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Quick Guide on Processing Jerky and Compliance Guideline for Meat and Poultry Jerky Produced by Small and Very Small Plants pptx

Quick Guide on Processing Jerky and Compliance Guideline for Meat and Poultry Jerky Produced by Small and Very Small Plants pptx

... and Poultry Jerky Produced by Small and Very Small Plants 3 Compliance Guideline for Meat and Poultry Jerky Produced by Small and Very Small Plants Purpose This document is intended ... April 2007 Compliance Guideline for Meat and Poultry Jerky Produced by Small and Very Small Plants 7 applied. The use of a wet bulb thermometer is especially important for production at ... April 2007 Compliance Guideline for Meat and Poultry Jerky Produced by Small and Very Small Plants 4 Lethality Compliance Guidelines for Jerky In general, jerky processing includes slicing...

Ngày tải lên: 31/03/2014, 08:20

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Learning Food Plants ppt

Learning Food Plants ppt

... brewed in water to make a drink. Coffee plants need warm weather and plenty of rain, so they grow only in tropical regions. There are at least 60 types of coffee plants. But only two kinds, called ... 2008 Encyclopædia Britannica, Inc. BARLEY 31 Barley was one of the first plants ever grown as a crop. Like other food plants in the group called “cereals,” barley is a grass that is grown for ... pharaohs? When is a nut not a nut? What are tubers? Food Plants To help you on your journey, we’ve provided the following guideposts in Food Plants : ■ Subject Tabs—The colored box in the upper corner...

Ngày tải lên: 20/06/2014, 10:20

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Prognostic Significance of Dyspnea in Patients Referred for Cardiac Stress Testing ppt

Prognostic Significance of Dyspnea in Patients Referred for Cardiac Stress Testing ppt

... in patients with chest pain. stress testing Patients underwent resting and stress myocar- dial-perfusion SPECT as previously described 9,10 with the use of symptom-limited stress induced by exercise ... less than 80 percent during exercise-induced stress 11 or if the ratio of the peak heart rate to the resting heart rate during vasodilator-induced stress was 1.12 or less. 10 myocardial-perfusion ... 5.1 0.007 5.5 11.7 <0.001 Stress Induced by exercise 11,888 0.4 2.2 <0.001 1.3 3.7 <0.001 Induced by vasodilator 6,103 1.7 5.4 <0.001 5.9 11.7 <0.001 Stressed-induced ischemia No...

Ngày tải lên: 27/06/2014, 00:20

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Mức độ và các dấu hiệu bạn bị stress trong công việc?Quản lý stress | Bạn pptx

Mức độ và các dấu hiệu bạn bị stress trong công việc?Quản lý stress | Bạn pptx

... quả về stress của bạn, nếu có: 1-5 câu chọn: Môi trường làm việc không có stress. Nhưng bạn có dấu hiệu của sự căng thẳng. Nên dành nhiều thời gian thư giãn. 6-10 câu chọn: Bạn đang bị stress ... đang trải qua stress khá nghiêm trọng. Đề nghị giám đốc xem xét bố trí công việc giảm căng thẳng. Nếu điều đó không thể được, hãy đổi sang vị trí khác. 16-20 câu chọn: Bạn bị stress rất nặng, ... chọn hoàn hảo. Sẽ thật khôn ngoan nếu bạn tìm đến các chuyên gia để xác định nguyên nhân gây ra stress và tìm cách chữa trị. ...

Ngày tải lên: 28/06/2014, 08:20

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Phản ứng stress cấp ppt

Phản ứng stress cấp ppt

... Hình ảnh não khi bị stress. Tư vấn cho bệnh nhân và gia đình Phản ứng stress cấp là do chấn thương tâm lý mạnh gây ra, bệnh này thường nhanh ... quan trọng nhất trong sự phát triển của phản ứng Phản ứng stress cấp Triệu chứng Đặc điểm nhấn mạnh chẩn đoán của phản ứng stress cấp là các triệu chứng xuất hiện trong vòng một tháng ... triển của rối loạn stress cấp. Rối loạn này có thể phát triển ở từng bệnh nhân mà không có điều kiện thuận lợi đặc biệt và chấn thương không phải là quá mạnh. Tỷ lệ của phản ứng stress cấp ở những...

Ngày tải lên: 28/06/2014, 21:20

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THE ROOT SYSTEMS OF PLANTS pptx

THE ROOT SYSTEMS OF PLANTS pptx

... drink at their leisure far from the hot sun or withering winds, and the plants survive and arrive at rich maturity, while the plants with shallow roots wither and die or are so seriously injured ... it that the plants root deeply. This can be done only by preparing the right kind of seed-bed and by having the soil in its lower depths well-stored with moisture, so that the plants may be ... ROOT SYSTEMS OF PLANTS The great depth and high fertility of the soils of arid and semiarid regions have made possible the profitable production of agricultural plants under a rainfall...

Ngày tải lên: 29/06/2014, 15:20

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