| 000 | 033690000a22006490004500 | ||
|---|---|---|---|
| 911 | _aXL1990004506 | ||
| 901 | _aF63 | ||
| 902 | _aF62 | ||
| 903 | _aE | ||
| 903 | _aV | ||
| 904 | _aBCO | ||
| 905 | _aC | ||
| 906 | _a19900101 | ||
| 908 | _aJ | ||
| 909 | _aAS | ||
| 912 | _aEn | ||
| 912 | _aEn | ||
| 914 | _aCACAO | ||
| 914 | _aEXTRA | ||
| 914 | _aBCO1 | ||
| 082 | 0 | 4 |
_a633.7412 _bP774p |
| 100 | 1 |
_9132649 _aYoung, A.M. |
|
| 100 | 1 |
_965203 _aErickson Junior, E. |
|
| 100 | 1 |
_9121985 _aStrand, M.A. |
|
| 100 | 1 |
_965206 _aErickson, B. |
|
| 260 | _c1987 | ||
| 041 | 0 | _aEn | |
| 500 | _a++ Ilus. 6 tab. Bib. p. 161-164 | ||
| 520 | _aFloral characteristics related to pollination were studied in four species of Theobroma and one species of Herrania (Sterculiacae) in Costa Rica. Anthesis was complete in T. cacao, T. simiarum, T. speciosum, and T. mammosum at 0615 hr following an extended period of floral development throughout the night. Flowers of both T. cacao and Herrania cuatrecusana were fully open by dawn and pollen sacs dehisced throughout the morning hours. Stigma and style receptivity, assessed by hydrogen peroxide tests, were high throughout the morning and early afternoon in T. cacao. Bagged flowers resulted in no fruit-set. When petal ligules were experimentally removed there was no change in rates of flowers abortion or total numbers of aborted flowers, tentatively suggesting that these structures play little or no role in attracting pollinators. Both Theobroma and Herrania flowers possess ultraviolet light reflectance/absorbance patterns which may play a role in pollinator attraction. Uptake of neutral red stain in T. cacao and T. simiarum showed scattered glandular activity on petals and sepals, perhaps indicating location of nectaries or other secretory organs. Conspicuous glandular trichomes on the ovary, on the lower third of the style, and in a conspicuous "basal ring" between petals and sepals (most pronounced and colorful in species other than T. cacao) may be sources of both floral attractant and reward. Differences in floral biology among Theobroma and Herrania species suggest divergence in pollination strategies. The data presented are discussed in terms of plant-pollinator specializations in the New World tropics. | ||
| 650 | 1 | 4 |
_9166664 _aTHEOBROMA CACAO |
| 650 | 1 | 4 |
_9166670 _aTHEOBROMA SIMIARUM |
| 650 | 1 | 4 |
_9166671 _aTHEOBROMA SPECIOSUM |
| 650 | 1 | 4 |
_9166667 _aTHEOBROMA MAMMOSA |
| 650 | 1 | 4 |
_9150203 _aHERRANIA |
| 650 | 1 | 4 |
_9159392 _aPOLINIZACION |
| 650 | 1 | 4 |
_9148149 _aFLORACION |
| 650 | 1 | 4 |
_9147069 _aETAPAS DE DESARROLLO DE LA PLANTA |
| 650 | 1 | 4 |
_9159401 _aPOLINIZADORES |
| 650 | 1 | 4 |
_92064 _aCOSTA RICA |
| 691 |
_9166664 _aTHEOBROMA CACAO |
||
| 691 |
_9332627 _aPOLLINATION |
||
| 691 |
_9148172 _aFLOWERING |
||
| 691 |
_9158954 _aPLANT DEVELOPMENTAL STAGES |
||
| 691 |
_9332628 _aPOLLINATORS |
||
| 691 |
_aCOSTA RICA _92064 |
||
| 692 | _aTHEOBROMA CACAO | ||
| 692 | _aPOLLINISATION | ||
| 692 | _aFLORAISON | ||
| 692 | _aSTADE DE DEVELOPPEMENT VEGETAL | ||
| 692 | _aPOLLINISATEUR | ||
| 692 | _aCOSTA RICA | ||
| 773 | 0 |
_tInsect Science and its Application (RU) _d1987 _gv. 8(2) p. 151-164 |
|
| 040 |
_aCR-TuBCO _cCR-TuBCO _bEs |
||
| 245 | 1 | 0 | _aPollination biology of Theobroma and Herrania (Sterculiaceae), 1: Floral biology |
| 942 | _cANA | ||
| 003 | CR-TuBCO | ||
| 999 |
_c70653 _d70653 |
||