How to use Cross-pollination in a sentence

cross-pollination
  • Cross-pollination may occur between two flowers on the same plant (geitonogamy) or between flowers on distinct plants (xenogamy).

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  • Flowers are normally self-pollinated but there is a short period when insects can effect cross-pollination.

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  • Sprengel came very near to appreciating the meaning of cross-pollination in the life of plants when he states that "it seems that Nature is unwilling that any flower should be fertilized by its own pollen."

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  • The spread of genes linked to this promoter by ordinary cross-pollination or by horizontal gene transfer will have enormous impacts on health and biodiversity.

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  • The cleistogamous flowers are developed before or after the normal open flowers at seasons less s-- favourable for cross-pollination.

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  • The separation distances for the FSEs have been set to ensure that cross-pollination is a maximum of 1% .

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  • The following program was also about showing the cross-pollination of some of the pyramids built on just one continent, the African continent.

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  • The GM crops used in the FSEs are separated from any nearby conventional or organic crops to minimize cross-pollination.

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  • Organic organizations say that cross-pollination could take place between the GM maize and the organic sweetcorn grown at Ryton.

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  • The next step requires the identification of some elements in the claims that might constitute evidence of such cross-pollination.

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  • It is important that the evaluations themselves should not result in any unacceptable cross-pollination.

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  • These results cannot be fully explained in terms of simple cross-pollination.

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  • Mother Nature prefers cross-pollination and has some clever tricks to promote this, like ripening the male and female germ cells at different times.

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  • Cross-pollination of crops is a very real problem - only a corporate lackey or complete idiot would deny this.

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  • This is associated with the fact, so ably demonstrated by Darwin, that, at any rate in a large number of cases, cross-pollination yields better results, as measured by the number of seeds produced and the strength of the offspring, than self-pollination; the latter is, however, preferable to absence of pollination.

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  • Some fruit trees require cross-pollination and companion plantings.

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  • Cross-pollination needs to occur with a suitable variety.

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  • Seeds of Change also develops original varieties of plants using traditional methods of cross pollination and choosing only the most vigorous plants from which to collect seed.

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  • Today scientists and biologists are working together to perfect robobees for cross pollination and to help find survivors after disasters.

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  • In bisexual or hermaphrodite flowers, that is, those in which both stamens and pistil are present, though self-pollination might seem the obvious course, this is often prevented or hindered by various arrangements which favour cross-pollination.

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  • Selfpollination frequently becomes possible towards the end of the life of a flower which during its earlier stages has been capable only of cross-pollination.

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  • Even in homogamous flowers cross-pollination is in a large proportion of cases the effective method, at any rate at first, owing to the relative position of anther and stigma or the fact that the plant is self-sterile.

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  • In the case of unisexual flowers, whether monoecious, that is, with staminate and pistillate flowers on one and the same plant, such as many of our native trees - oak, beech, birch, alder, &c., or dioecious with staminate and pistillate flowers on different plants, as in willows and poplars, cross pollination only is possible.

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