Studies of Pollen Characteristics in Plants of Fruitless Tecomella undulata (Sm.) Seem. (Bignoniaceae) in Golparaki Region of Jiroft City, Iran
Tecomella undulata is valued for beautiful flowers, resistance against extreme temperature and drought, stabilizing shifting sand dunes, medicinal properties and wood production. In spite of massive flowering, the species is seedless. The present study examines the causes of its sterility indicating...
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| Veröffentlicht in: | Iranian journal of science and technology. Transaction A, Science Science, 2017-12, Vol.41 (4), p.979-988 |
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| container_title | Iranian journal of science and technology. Transaction A, Science |
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| creator | Rezanejad, Farkhondeh Ganjalikhani Hakemi, Farzad |
| description | Tecomella undulata
is valued for beautiful flowers, resistance against extreme temperature and drought, stabilizing shifting sand dunes, medicinal properties and wood production. In spite of massive flowering, the species is seedless. The present study examines the causes of its sterility indicating on pollen characteristics. Flowers were hand pollinated by pollen of either self- or outcross pollen. Some flowers were tagged as open pollination treatment. Pollen structure, in situ and in vitro pollen germination and pollen tube growth were analyzed. Mature pollen grains are heteromorphic, mostly heterogeneous sized as small and large. Both pollen grains types are prolate and tricolpate with rugulate–reticulate sculpture. Flowers are protandrous and have long stylus; a nectariferous tissue secreting abundant nectar exists in the ovary base. No effective pollinator visited flowers during the observation period. No pollen germination and pollen tube growth were observed in self- and cross-pollinated styles and under in vitro condition. It seems that pollen heterogeneity, lack of pollinators and pollen limitation, the failure of autogamy due to protandry or long styli as well as self-incompatibility resulted in pollen sterility and seedlessness. In addition, probably polyploidy and cytomixis affect infertility too that needs to be studied in detail in the future. |
| doi_str_mv | 10.1007/s40995-017-0338-2 |
| format | Article |
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is valued for beautiful flowers, resistance against extreme temperature and drought, stabilizing shifting sand dunes, medicinal properties and wood production. In spite of massive flowering, the species is seedless. The present study examines the causes of its sterility indicating on pollen characteristics. Flowers were hand pollinated by pollen of either self- or outcross pollen. Some flowers were tagged as open pollination treatment. Pollen structure, in situ and in vitro pollen germination and pollen tube growth were analyzed. Mature pollen grains are heteromorphic, mostly heterogeneous sized as small and large. Both pollen grains types are prolate and tricolpate with rugulate–reticulate sculpture. Flowers are protandrous and have long stylus; a nectariferous tissue secreting abundant nectar exists in the ovary base. No effective pollinator visited flowers during the observation period. No pollen germination and pollen tube growth were observed in self- and cross-pollinated styles and under in vitro condition. It seems that pollen heterogeneity, lack of pollinators and pollen limitation, the failure of autogamy due to protandry or long styli as well as self-incompatibility resulted in pollen sterility and seedlessness. In addition, probably polyploidy and cytomixis affect infertility too that needs to be studied in detail in the future.</description><identifier>ISSN: 1028-6276</identifier><identifier>EISSN: 2364-1819</identifier><identifier>DOI: 10.1007/s40995-017-0338-2</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Animal reproduction ; Arid zones ; Autogamy ; Biology ; Chemistry/Food Science ; Drought ; Dunes ; Earth Sciences ; Endangered & extinct species ; Engineering ; Flow resistance ; Flowering ; Flowers ; Flowers & plants ; Fruits ; Germination ; Grains ; Heterogeneity ; Infertility ; Life Sciences ; Materials Science ; Microorganisms ; Nectar ; Ovaries ; Physics ; Plant reproduction ; Plant tissues ; Pollen ; Pollination ; Pollinators ; Polyploidy ; Protandry ; Research Paper ; Seeds ; Self-fertilization ; Sterility ; Styli ; Success ; Tecomella undulata ; Wildlife conservation ; Wood</subject><ispartof>Iranian journal of science and technology. Transaction A, Science, 2017-12, Vol.41 (4), p.979-988</ispartof><rights>Shiraz University 2017</rights><rights>Copyright Springer Science & Business Media 2017</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-c5877cf2e13072ff6107fdda5983f846ef2b7917371f43671d21011b901a93153</citedby><cites>FETCH-LOGICAL-c316t-c5877cf2e13072ff6107fdda5983f846ef2b7917371f43671d21011b901a93153</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Rezanejad, Farkhondeh</creatorcontrib><creatorcontrib>Ganjalikhani Hakemi, Farzad</creatorcontrib><title>Studies of Pollen Characteristics in Plants of Fruitless Tecomella undulata (Sm.) Seem. (Bignoniaceae) in Golparaki Region of Jiroft City, Iran</title><title>Iranian journal of science and technology. Transaction A, Science</title><addtitle>Iran J Sci Technol Trans Sci</addtitle><description>Tecomella undulata
is valued for beautiful flowers, resistance against extreme temperature and drought, stabilizing shifting sand dunes, medicinal properties and wood production. In spite of massive flowering, the species is seedless. The present study examines the causes of its sterility indicating on pollen characteristics. Flowers were hand pollinated by pollen of either self- or outcross pollen. Some flowers were tagged as open pollination treatment. Pollen structure, in situ and in vitro pollen germination and pollen tube growth were analyzed. Mature pollen grains are heteromorphic, mostly heterogeneous sized as small and large. Both pollen grains types are prolate and tricolpate with rugulate–reticulate sculpture. Flowers are protandrous and have long stylus; a nectariferous tissue secreting abundant nectar exists in the ovary base. No effective pollinator visited flowers during the observation period. No pollen germination and pollen tube growth were observed in self- and cross-pollinated styles and under in vitro condition. It seems that pollen heterogeneity, lack of pollinators and pollen limitation, the failure of autogamy due to protandry or long styli as well as self-incompatibility resulted in pollen sterility and seedlessness. In addition, probably polyploidy and cytomixis affect infertility too that needs to be studied in detail in the future.</description><subject>Animal reproduction</subject><subject>Arid zones</subject><subject>Autogamy</subject><subject>Biology</subject><subject>Chemistry/Food Science</subject><subject>Drought</subject><subject>Dunes</subject><subject>Earth Sciences</subject><subject>Endangered & extinct species</subject><subject>Engineering</subject><subject>Flow resistance</subject><subject>Flowering</subject><subject>Flowers</subject><subject>Flowers & plants</subject><subject>Fruits</subject><subject>Germination</subject><subject>Grains</subject><subject>Heterogeneity</subject><subject>Infertility</subject><subject>Life Sciences</subject><subject>Materials Science</subject><subject>Microorganisms</subject><subject>Nectar</subject><subject>Ovaries</subject><subject>Physics</subject><subject>Plant reproduction</subject><subject>Plant tissues</subject><subject>Pollen</subject><subject>Pollination</subject><subject>Pollinators</subject><subject>Polyploidy</subject><subject>Protandry</subject><subject>Research Paper</subject><subject>Seeds</subject><subject>Self-fertilization</subject><subject>Sterility</subject><subject>Styli</subject><subject>Success</subject><subject>Tecomella undulata</subject><subject>Wildlife conservation</subject><subject>Wood</subject><issn>1028-6276</issn><issn>2364-1819</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kMFqGzEURUVJocbJB3Qn6MaGjKsnjaWZZWOS1CXQUKdrIc88OUplyZE0i3xFf7njOJBVV29z7nlwCPkMbAGMqa-5Zm27rBioignRVPwDmXAh6woaaM_IBBhvKsmV_EQucnZbJgCk4rWckL-bMvQOM42W3kfvMdDVo0mmK5hcLq7L1AV6700or8xNGlzxmDN9wC7u0XtDh9AP3hRDZ5v9Yk43iPsFnV25XYjBmQ4Nzo-S2-gPo_mPo79w52I46n64FG2hK1deLuk6mXBOPlrjM1683Sn5fXP9sPpe3f28Xa--3VWdAFmqbtko1VmOIJji1kpgyva9WbaNsE0t0fKtakEJBbYWUkHPgQFsWwamFbAUU_Ll5D2k-DxgLvopDimMLzUHIYRqBZMjBSeqSzHnhFYfktub9KKB6WN6fUqvx_T6mF7zccNPmzyyYYfp3fz_0T_t04Uv</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Rezanejad, Farkhondeh</creator><creator>Ganjalikhani Hakemi, Farzad</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SC</scope><scope>7SP</scope><scope>7TB</scope><scope>7U5</scope><scope>7WY</scope><scope>7XB</scope><scope>883</scope><scope>8AF</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8FL</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>CWDGH</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FRNLG</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>JQ2</scope><scope>K60</scope><scope>K6~</scope><scope>K7-</scope><scope>KB.</scope><scope>KR7</scope><scope>L.-</scope><scope>L6V</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>M0F</scope><scope>M2O</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P5Z</scope><scope>P62</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope></search><sort><creationdate>20171201</creationdate><title>Studies of Pollen Characteristics in Plants of Fruitless Tecomella undulata (Sm.) 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Transaction A, Science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rezanejad, Farkhondeh</au><au>Ganjalikhani Hakemi, Farzad</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Studies of Pollen Characteristics in Plants of Fruitless Tecomella undulata (Sm.) Seem. (Bignoniaceae) in Golparaki Region of Jiroft City, Iran</atitle><jtitle>Iranian journal of science and technology. Transaction A, Science</jtitle><stitle>Iran J Sci Technol Trans Sci</stitle><date>2017-12-01</date><risdate>2017</risdate><volume>41</volume><issue>4</issue><spage>979</spage><epage>988</epage><pages>979-988</pages><issn>1028-6276</issn><eissn>2364-1819</eissn><abstract>Tecomella undulata
is valued for beautiful flowers, resistance against extreme temperature and drought, stabilizing shifting sand dunes, medicinal properties and wood production. In spite of massive flowering, the species is seedless. The present study examines the causes of its sterility indicating on pollen characteristics. Flowers were hand pollinated by pollen of either self- or outcross pollen. Some flowers were tagged as open pollination treatment. Pollen structure, in situ and in vitro pollen germination and pollen tube growth were analyzed. Mature pollen grains are heteromorphic, mostly heterogeneous sized as small and large. Both pollen grains types are prolate and tricolpate with rugulate–reticulate sculpture. Flowers are protandrous and have long stylus; a nectariferous tissue secreting abundant nectar exists in the ovary base. No effective pollinator visited flowers during the observation period. No pollen germination and pollen tube growth were observed in self- and cross-pollinated styles and under in vitro condition. It seems that pollen heterogeneity, lack of pollinators and pollen limitation, the failure of autogamy due to protandry or long styli as well as self-incompatibility resulted in pollen sterility and seedlessness. In addition, probably polyploidy and cytomixis affect infertility too that needs to be studied in detail in the future.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s40995-017-0338-2</doi><tpages>10</tpages></addata></record> |
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| ispartof | Iranian journal of science and technology. Transaction A, Science, 2017-12, Vol.41 (4), p.979-988 |
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| source | Alma/SFX Local Collection |
| subjects | Animal reproduction Arid zones Autogamy Biology Chemistry/Food Science Drought Dunes Earth Sciences Endangered & extinct species Engineering Flow resistance Flowering Flowers Flowers & plants Fruits Germination Grains Heterogeneity Infertility Life Sciences Materials Science Microorganisms Nectar Ovaries Physics Plant reproduction Plant tissues Pollen Pollination Pollinators Polyploidy Protandry Research Paper Seeds Self-fertilization Sterility Styli Success Tecomella undulata Wildlife conservation Wood |
| title | Studies of Pollen Characteristics in Plants of Fruitless Tecomella undulata (Sm.) Seem. (Bignoniaceae) in Golparaki Region of Jiroft City, Iran |
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