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Apparent parthenocarpia (apparent virginity); see under parthenocarpia.

Term (virginity, Greek parthenos = virgin and karpos = fruit) for unisexual reproduction or fruit development without prior fertilisation in plants, which occurs without the formation of seeds or kernels. The phenomenon also occurs in animals, such as the vine pest, and is called parthenogenesis (virgin production). Certain hormones simulate a fertilisation situation for the unfertilised egg cell, which then begins to divide and mature into an organism. In plants, a distinction is made between inductive/stimulative, spontaneously occurring vegetative and pseudo-parthenocarpy (stenospermocarpy) triggered by external stimuli.

Different types

The tendency is promoted by favourable environmental conditions such as temperature,...

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