Studies on floral morphology and biology in Jasminum spp.
The present investigation was carried out to study the floral morphology and biology of 5 genotypes during 2016-17. Many flowered cymes both terminal and axillary were observed in J. auriculatum and J. grandiflorum; whereas, cluster bearing flowers in terminal position were observed in J. multifloru...
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| Format: | Article |
| Language: | English |
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Indian Council of Agricultural Research
2019-06-01
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| Series: | The Indian Journal of Agricultural Sciences |
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| Online Access: | https://epubs.icar.org.in/index.php/IJAgS/article/view/90818 |
| _version_ | 1797896951315824640 |
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| author | A KALAIYARASI M V DHANANJAYA SUJATHA A NAIR RAJIV KUMAR H S YOGEESHA P M MUNIKRISHNAPPA V DEVAPPA S PAVITHRA |
| author_facet | A KALAIYARASI M V DHANANJAYA SUJATHA A NAIR RAJIV KUMAR H S YOGEESHA P M MUNIKRISHNAPPA V DEVAPPA S PAVITHRA |
| author_sort | A KALAIYARASI |
| collection | DOAJ |
| description | The present investigation was carried out to study the floral morphology and biology of 5 genotypes during 2016-17. Many flowered cymes both terminal and axillary were observed in J. auriculatum and J. grandiflorum; whereas, cluster bearing flowers in terminal position were observed in J. multiflorum (IIHR JM–1 and IIHR JM–2), J. calophyllum, J. flexile and J. malabaricum. Flower bud was pointed and long in all genotypes; its colour was either green white (157 B) or white (155 C) or white (155 D).Tinge on flower bud was observed in J. grandiflorum (CO.1 Pitchi and Arka Surabhi), J. rigidum, J. nitidum and J. malabaricum. Flower petal tip was either sharp or blunt and flower colour on opening was either white (155 C) or white (155 D) or white with pinkish underneath (155 D) in all the genotypes. Among the 15 genotypes, J. grandiflorum var. CO.1 Pitchi recorded longest flower bud length (4.81 cm) and corolla tube length (2.92 cm); however, maximum corolla length was recorded in J. nitidum (2.15 cm). Maximum number of forks per cymes was recorded in J. auriculatum var. CO.1 Mullai (40.13). Maximum number (6.51) and length of calyx lobe (1.28 cm) was recorded in J. multiflorum –IIHRJM-2 and J. nitidum, respectively. Flower diameter ranged from 1.74 (J. auriculatum-IIHRJA-2) to 4.93 cm (J. nitidum), whereas number of petals varied from 4.97 (J. grandiflorum var. CO.1 Pitchi) to 10.67 (J. nitidum). All genotypes recorded one style per pistil and its length varied from 0.42 cm (J. auriculatum var. CO.2 Mullai) to 2.32 cm (J. grandiflorum var. CO.1 Pitchi). Anthesis and anther dehiscence was recorded earlier in summer months, while, it was delayed during cooler months. However, the peak anthesis was observed from 6:00 to 7:00 p.m. and anther dehiscence from 4:00 to 7:00 p.m. The earliest anthesis was observed in J. auriculatum genotypes and anther dehiscence was observed in J. auriculatum and J. multiflorum genotypes. The stigma was receptive 12 h before an thesis and up to 24 h of anthesis. The maximum receptivity was observed from the time of anthesis to 12 h after anthesis. |
| first_indexed | 2024-04-10T07:50:59Z |
| format | Article |
| id | doaj.art-72efc6bde4f64471945207f01544368c |
| institution | Directory Open Access Journal |
| issn | 0019-5022 2394-3319 |
| language | English |
| last_indexed | 2024-04-10T07:50:59Z |
| publishDate | 2019-06-01 |
| publisher | Indian Council of Agricultural Research |
| record_format | Article |
| series | The Indian Journal of Agricultural Sciences |
| spelling | doaj.art-72efc6bde4f64471945207f01544368c2023-02-23T10:14:24ZengIndian Council of Agricultural ResearchThe Indian Journal of Agricultural Sciences0019-50222394-33192019-06-0189610.56093/ijas.v89i6.90818Studies on floral morphology and biology in Jasminum spp.A KALAIYARASI0M V DHANANJAYA1SUJATHA A NAIR2RAJIV KUMAR3H S YOGEESHA4P M MUNIKRISHNAPPA5V DEVAPPA6S PAVITHRA7Research Scholar, ICAR-Indian Institute of Horticultural Research, Bengaluru, Karnataka 560 089 IndiaPrincipal Scientist, ICAR-Indian Institute of Horticultural Research, Bengaluru, Karnataka 560 089 IndiaPrincipal Scientist, ICAR-Indian Institute of Horticultural Research, Bengaluru, Karnataka 560 089 IndiaPrincipal Scientist, ICAR-Indian Institute of Horticultural Research, Bengaluru, Karnataka 560 089 IndiaPrincipal Scientist, ICAR-Indian Institute of Horticultural Research BengaluruAssociate Professor, ICAR-Indian Institute of Horticultural Research, Bengaluru, Karnataka 560 089 IndiaHead, ICAR-Indian Institute of Horticultural Research, Bengaluru, Karnataka 560 089 IndiaResearch Scholar, ICAR-Indian Institute of Horticultural Research, Bengaluru, Karnataka 560 089 IndiaThe present investigation was carried out to study the floral morphology and biology of 5 genotypes during 2016-17. Many flowered cymes both terminal and axillary were observed in J. auriculatum and J. grandiflorum; whereas, cluster bearing flowers in terminal position were observed in J. multiflorum (IIHR JM–1 and IIHR JM–2), J. calophyllum, J. flexile and J. malabaricum. Flower bud was pointed and long in all genotypes; its colour was either green white (157 B) or white (155 C) or white (155 D).Tinge on flower bud was observed in J. grandiflorum (CO.1 Pitchi and Arka Surabhi), J. rigidum, J. nitidum and J. malabaricum. Flower petal tip was either sharp or blunt and flower colour on opening was either white (155 C) or white (155 D) or white with pinkish underneath (155 D) in all the genotypes. Among the 15 genotypes, J. grandiflorum var. CO.1 Pitchi recorded longest flower bud length (4.81 cm) and corolla tube length (2.92 cm); however, maximum corolla length was recorded in J. nitidum (2.15 cm). Maximum number of forks per cymes was recorded in J. auriculatum var. CO.1 Mullai (40.13). Maximum number (6.51) and length of calyx lobe (1.28 cm) was recorded in J. multiflorum –IIHRJM-2 and J. nitidum, respectively. Flower diameter ranged from 1.74 (J. auriculatum-IIHRJA-2) to 4.93 cm (J. nitidum), whereas number of petals varied from 4.97 (J. grandiflorum var. CO.1 Pitchi) to 10.67 (J. nitidum). All genotypes recorded one style per pistil and its length varied from 0.42 cm (J. auriculatum var. CO.2 Mullai) to 2.32 cm (J. grandiflorum var. CO.1 Pitchi). Anthesis and anther dehiscence was recorded earlier in summer months, while, it was delayed during cooler months. However, the peak anthesis was observed from 6:00 to 7:00 p.m. and anther dehiscence from 4:00 to 7:00 p.m. The earliest anthesis was observed in J. auriculatum genotypes and anther dehiscence was observed in J. auriculatum and J. multiflorum genotypes. The stigma was receptive 12 h before an thesis and up to 24 h of anthesis. The maximum receptivity was observed from the time of anthesis to 12 h after anthesis.https://epubs.icar.org.in/index.php/IJAgS/article/view/90818Anther dehiscenceAnthesisFloral morphologyJasmineStigma receptivity |
| spellingShingle | A KALAIYARASI M V DHANANJAYA SUJATHA A NAIR RAJIV KUMAR H S YOGEESHA P M MUNIKRISHNAPPA V DEVAPPA S PAVITHRA Studies on floral morphology and biology in Jasminum spp. The Indian Journal of Agricultural Sciences Anther dehiscence Anthesis Floral morphology Jasmine Stigma receptivity |
| title | Studies on floral morphology and biology in Jasminum spp. |
| title_full | Studies on floral morphology and biology in Jasminum spp. |
| title_fullStr | Studies on floral morphology and biology in Jasminum spp. |
| title_full_unstemmed | Studies on floral morphology and biology in Jasminum spp. |
| title_short | Studies on floral morphology and biology in Jasminum spp. |
| title_sort | studies on floral morphology and biology in jasminum spp |
| topic | Anther dehiscence Anthesis Floral morphology Jasmine Stigma receptivity |
| url | https://epubs.icar.org.in/index.php/IJAgS/article/view/90818 |
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