Biology of Halophytes by Yoav Waisel

By Yoav Waisel

Show description

Read Online or Download Biology of Halophytes PDF

Similar botany books

Life at the Limits. Organisms in Extreme Environments

Frogs that freeze sturdy, worms that dry out, and micro organism that continue to exist temperatures over 100°C are all organisms that experience an severe biology, which includes many points in their body structure, ecology, and evolution. those organisms stay in possible most unlikely areas and show interesting habit.

DNA Methylation in Plants

A excessive measure of nuclear DNA (nDNA) methylation is a selected function of plant genomes, they do comprise 5-methylcytosine (m5C) and N6-methyl adenine (m6A). greater than 30 consistent with cent m5C is found in CNG sequences. particular alterations in DNA methylation accompany the full lifetime of a plant ranging from seed germination as much as the demise programmed or brought on by means of quite a few brokers and elements of organic or abiotic nature.

Plant Nematode Interactions: A view on compatible interrelationships

Advances in Botanical study publishes in-depth and up to date experiences on a variety of subject matters in plant sciences. at present in its 73rd quantity, the sequence positive factors numerous stories through famous specialists on all features of plant genetics, biochemistry, telephone biology, molecular biology, body structure and ecology.

Additional info for Biology of Halophytes

Example text

In some sodic soils which have a structureless and loose A horizon, the upper layer is washed away. In such a case, the exposed compact layers of the B horizon form bare spots, known in North America as slick spots. Horizon B of sodic soils has generally a columnar structure. Some of such soil prisms have flat tops while others are cap-shaped. The B horizon in sodic soils may be up to 1 m deep and consist of several layers of prisms. Sodic soils are not uniform, and five soil groups were defined by Kovda (1935).

1), an attempt was made to unite the plant-salt relationships into one scheme and to put more stress on salt-resistance mechanisms and on internal rather than on external salt relationships. 5. S. Salinity Laboratory, Riverside, California, for agricultural crops (Richards, 1954). According to our experience, this limit of salinity fits well the distribution limits and behavior of most native halophytes. , for sulfate halophytes or for alkaline halophytes. In many cases, plants may possess more than one mechanism for salt resistance and thus belong to more than one group.

Such distinction was based on salt, carbonate, and gypsum content, on content of organic matter, and on location of the lime horizon in the profile. Continuation of the leaching processes of sodic soils turns the surface layers eventually into a light gray acid horizon and the soil is named solod. This is the last stage in the genetic series of halogenic soils out of which the soluble salts and adsorbed sodium were exchanged and washed away. A solod soil profile very much resembles soils of the podsol type, but differs from them in the state in which its silicates are precipitated.

Download PDF sample

Rated 4.55 of 5 – based on 12 votes