parthenogenesis

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Related to agamospermy: apomictic
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Synonyms for parthenogenesis

human conception without fertilization by a man

process in which an unfertilized egg develops into a new individual

References in periodicals archive ?
Agamospermy was a negligible mechanism in this epiphyte, [AG.sub.f] = 0.01.
of Fruit genets flowers set (%) Hand cross-pollination 6 19 100 Hand self-pollination 9 15 100 Open pollination (control) 8 20 100 Autonomous self-pollination 6 29 89 Agamospermy 7 15 6.7 Treatment Seed set (mean [+ or -] SE) Hand cross-pollination 670.2 [+ or -] 31.3 (a) Hand self-pollination 516.3 [+ or -] 41.5 (a) Open pollination (control) 540.4 [+ or -] 55.2 (a) Autonomous self-pollination 521.1 [+ or -] 29.0 (a) Agamospermy 5.1 [+ or -] 5.1 (b)
Treatments Flowers Number of Mean number fruits of seeds/ fruits [+ or -] SD Female x male 25 21 7,47 ([+ or -] 1,26) Female x female 21 0 -- Male x male 19 0 -- Agamospermy 10 0 -- Control female 20 15 5,58 ([+ or -] 0,83) Control male 20 0 --
Fruits were only produced on manual cross and natural pollinations, indicating that the species reproduce by cross pollination only since the manual, spontaneous selfing, agamospermy, and anemophily treatments did not yield any fruits (Table 1).
flowers % fruits Agamospermy (AG) 16 49 0 Manual selfing (SP) 13 47 0 Spontaneous selfing (SS) 10 255 0 Manual cross pollination (CP) 13 46 80.4 Anemophyly (AN) 13 43 0 Natural pollination (NP) 18 765 52.9 Total seeds/fruit No.
that researchers were not prepared to discover agamospermy as a possible
of the real world suggests that agamospermy has proved to be a
Initial reports of agamospermy in arboreal genera of
fruits Natural pollination (pistillate) 1 396 1 396 Natural pollination (staminate 976 0 Automatic pollination (pistillate) 203 0 Automatic pollination (staminate) 223 0 Selfing (pistillate) 6 0 Selfing (staminate) 8 0 Cross pollination (pistillate) 6 0 Cross pollination (staminate) 7 0 Agamospermy (pistillate) 8 0 Agamospermy (staminate) 6 0 TABLE 3 Insect species, number on individuals collected with pollen (N) per insect species, and plant species which pollen was identified on insect bodies Plant species / Insect species Apis Trigona (N) mellifera fulviventris (8) (4) Hechtia schottii Baker + + (Bromeliaceae) Passiflora ciliata Aiton + (Passifloraceae) Iresine diffusa Humb.
Key words: "Buzz pollination", agamospermy, hibridization, Clidemia, Melastomataceae.