sterility

A temperature of 121°C is regarded as the minimum necessary to achieve sterility.

Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle.

The approaches for decreasing the gene flow include chloroplast transformation, pollen sterility, seed sterility, cleistogamy, apomixis, temporal control, and transgenic mitigation .

Conclusion Celioscopy takes an imprtant role in the diagnosis and the therapy of sterility, and therefore acts as a routine method to female sterility.

In order to analysis the genetic characteristic of male sterility, test cross, sister cross, back cross, reciprocal cross and self-pollination were conducted with these male sterule plants.

The doctor recommended testing for sterility.

Certain medications can cause temporary sterility.

Sterility can be a side effect of some medical treatments.

The lab results confirmed his sterility.

There are various factors that can contribute to sterility.

The couple sought treatment for their sterility.

The sterility of the soil made farming difficult.

Sterility in livestock can impact agricultural productivity.

The sterility of the environment was concerning for conservationists.

She was diagnosed with female sterility.

She defeats human labour in the former, by her sterility; in the latter she makes it unnecessary, by her luxuriance.

Animal studies suggest puberty blockers may cause cognitive damage, too. Cross-sex hormones have been linked to heart disease, strokes and sterility.

Why should the degree of sterility be innately variable in the individuals of the same species?

This leads to reduced testosterone levels and elevated luteinizing hormone and follicle stimulating hormone, all of which causes male sterility and feminized physical features.

Between the sterility thus superinduced and that of hybrids, there are many points of similarity.

You see this little covering on the light is to make sure that even when you touch it, you still maintain your sterility.

In regard to the sterility of hybrids, in which the sexual elements are imperfectly developed, the case is somewhat different.

Now do these complex and singular rules indicate that species have been endowed with sterility simply to prevent their becoming confounded in nature?

In both cases the sterility is independent of general health, and is often accompanied by excess of size or great luxuriance.

It can thus be shown that neither sterility nor fertility affords any certain distinction between species and varieties.