The lunisolar Chinese calendar determines the date of Chinese New Year. The calendar is also used in countries that have been influenced by, or have relations with, China – such as Korea, Japan, Taiwan, and Vietnam, though occasionally the date celebrated may differ by one day or even one moon cycle due to using a meridian based on a different capital city in a different time zone or ...Read more

Use the filters below to find courses by subject area, general education attribute, or course level. You may also use the search bar to find courses by entering words in the subject area, title, or other criteria.Read more

1. Introduction. The initial land and orchard preparation aims at preparing the soil for establishment of the young tissue culture date palm or offshoots, but does not ensure proper establishment and growth after transplanting. A fertilisation programme should be included in the date plantation establishment phase for optimum growth.Read more

A robot is a machine—especially one programmable by a computer— capable of carrying out a complex series of actions automatically. Robots can be guided by an external control device or the control may be embedded within. Robots may be constructed on the lines of human form, but most robots are machines designed to perform a task with no regard to their aesthetics.Read more

Introduction. Plant diseases need to be controlled to maintain the quality and abundance of food, feed, and fiber produced by growers around the world. Different approaches may be used to prevent, mitigate or control plant diseases. Beyond good agronomic and horticultural practices, growers often rely heavily on chemical fertilizers and pesticides.Read more

Wadood et al., Biochem Anal Biochem 2013, 2:4y 9c 10.4172/2161-1009.1000144 ... Introduction The medicinal plants are useful for healing as well as for curing of human diseases because of the presence of phytochemical constituents [1]. Phytochemicals are naturally occurring in the medicinal plants, ... Preparation of plant extractRead more

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Peyote shall mean all parts of the plant presently classified botanically as Lophophora williamsii Lemaire, whether growing or not, the seeds thereof, any extract from any part of such plant, and every compound, manufacture, salts, derivative, mixture, or preparation of such plant or its seeds or extracts;Read more

1981- Introduction of the term somaclonal variation by Larkin. ... stock plant which does not produce seeds, or does not respond well to ... Preparation of the stocks solutions:-Read more

Some plant species naturally regenerate roots from cuttings and several plant hormones, including auxin and cytokinin, are known to control this process (da Costa et al., 2013; Bellini et al., 2014). A recent study by Liu et al. (2014) uncovered a novel molecular link connecting auxin accumulation at cut sites to the formation of new root ...Read more

Oct 02, 2018· Chapter 1 pharmacognosy introduction 1. Introduction to Pharmacognosy Siju Prakash Assistant Professor Veerayatan institute of Pharmacy 2. Pharmacognosy Pharmacognosy is a branch of pharmacy which deals with the basic resources of medicines from nature (plant & animal) and their uses as medicaments from ancient time to present day.Read more

An invasive species is an introduced organism that negatively alters its new environment. Although their spread can have beneficial aspects, invasive species adversely affect the invaded habitats and bioregions, causing ecological, environmental, and/or economic damage. Sometimes the term is used for native species that invade human habitats and become invasive pests.Read more

Introduction to Agriculture are basically notes for Fresh students who have just enrolled in any Agricultural University. These notes are series of lectures delivered by teachers of Agronomy of ...Read more

Introduction. The world is currently facing a miserable situation due to the outbreak of the COVID-19 (coronavirus diseases 2019) viral pandemic which occurred by a novel coronavirus namely SARS-CoV-2 (severe acute respiratory syndrome coronavirus-2) [].Since the appearance of the first confirmed case in late December of 2019 at Wuhan, capital of Central China''s Hubei Province [], this viral ...Read more

Preparation and standardization of reagent solutions 11 3. Soil analysis 17 Available nutrient content of soils 17 Soil sampling 17 Dispatch of soil samples to the laboratory 20 Preparation of soil samples for analysis 20 Analytical methods 22 4. Plant analysis 77 Sample collection and preparation for analysis 80 Analytical methods 81 5.Read more

Oct 18, 2019· Introduction. There is increasing concern about the impact of the modern Western diet on human health and the environment (Poore & Nemecek, 2018; Springmann et al., 2018).The global population is predicted to grow to around 10 billion by 2050, and an increasing number of people are moving to cities, becoming wealthier, and changing their dietary habits (McClements, 2019).Read more

Identifying Physical Hazards Presentation . There are three types of hazards in a food manufacturing process: physical, chemical and biological. Foreign objects are the most obvious evidence of a contaminated product and are therefore most likely to be reported by production or …Read more

Apr 08, 2021· Gutiérrez-Luna, F. M. et al. Plant growth-promoting rhizobacteria modulate root-system architecture in Arabidopsis thaliana through volatile organic compound emission. Symbiosis 51, …Read more

Jul 24, 2018· For conventional extraction, 20 g powder of each tested plant material (Table 1) was soaked in 180 ml of distilled water in a round bottom flask and heated for 30 min at 90°C, before the overnight incubation at 37°C, and 150 rpm in a shaking incubator (Xu et al., 2008).Similarly, 10 g powder of each tested plant material was mixed with ethanol (9:1) separately in round bottom flasks and ...Read more

Education Center. Introduction to Pathogen Groups....Gergerich, R.C., and V. V. Dolja. 2006. Introduction to Plant Viruses, the Invisible Foe. The Plant Health Instructor. DOI: 10.1094/PHI-I-2006-0414-01 Rose C. Gergerich1 and Valerian V. Dolja2 1Department of Plant Pathology, University of Arkansas, Fayetteville, AR2Department of...Read more

A.V. Roberts, A. Schum, in Encyclopedia of Rose Science, 2003 Introduction. Micropropagation is the clonal propagation of plants in closed vessels under aseptic conditions. Inside the vessels, the plants are grown on culture media that contain nutrients and growth regulators, and are described as in vitro, which means ''in glass'' contrast, soil-grown plants are described as in vivo.Read more

Protoplast, from ancient Greek πρωτόπλαστος (prōtóplastos, "first-formed"), is a biological term coined by Hanstein in 1880 to refer to the entire cell, excluding the cell wall. Protoplasts can be generated by stripping the cell wall from plant, bacterial, or fungal cells by mechanical, chemical or enzymatic means.. Protoplasts differ from spheroplasts in that their cell wall has ...Read more

Absorption spectrum of several plant pigments (left) and action spectrum of elodea (right), a common aquarium plant used in lab experiments about photosynthesis. Images from Purves et al., Life: The Science of Biology, 4th Edition, by Sinauer Associates () and WH Freeman (), used with permission.Read more

Introduction to Terpenes. The cannabis plant consists of a wide variety of chemicals and compounds. About 140 of these belong to a large class of aromatic organic hydrocarbons known as terpenes (pronounced tur-peens). You may have also heard people talk about terpenoids.The words terpene and terpenoid are increasingly used interchangeably, although these terms do have different meanings.Read more

Plant counterparts are considerably less well characterized, but current evidence supports a role for γ- and β-type adaptins in plasma membrane recycling (Drucker et al., 1995; Keon et al., 1995). Another feature of animal adaptins is the possession of autophosphorylating and casein kinase activity, which recently has been shown in adaptin ...Read more

Feb 01, 2018· 1. Introduction. Food poisoning is considered as one of the most common cause of illness and death in developing countries (Doughari et al., 2007, Pirbalouti et al., 2009, Sapkota et al., 2012).Most of food poisoning reports are associated with bacterial contamination especially members of Gram negative bacteria like Salmonella typhi, Escherichia coli and Pseudomonas aeruginosa …Read more

Palynology is literally the "study of dust" (from Greek: παλύνω, translit. palynō, "strew, sprinkle" and -logy) or of "particles that are strewn".A classic palynologist analyses particulate samples collected from the air, from water, or from deposits including sediments of any age. The condition and identification of those particles, organic and inorganic, give the palynologist clues to ...Read more

High quality plasmid DNA preparation service for both research and industrial applications, especially protein and antibody engineering, antigen production, and virus packaging. Industrial grade plasmid preparation guarantees > 90% supercoil and <0.01 endotoxin/ ug DNA.Read more

Jan 26, 2017· Many biostimulant products have been classified into completely divergent groups and categories of function, use, and type of activity (Tables 3, 4).For example, humate-based products are often described as soil health amendments while plant growth promoting rhizobacteria (PGPRs) could be categorized as biofertilizers, phytostimulators, and biopesticides (Martínez-Viveros et al., 2010 ...Read more

Aug 13, 2020· 1 INTRODUCTION. Throughout history, ... A typical extrusion process can be divided into three steps, that is, the initial preparation of the food material before the addition into the extruder, ... also deter people from switching to plant‐based diets (Lea et al., 2006).Read more