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THOOTHUKUDI: In a uncommon prevalence, a palmyra tree at Gnaniyar Kudiyiruppu in Thoothukudi is discovered to have each female and male traits. Normally, palmyra, a dioecious plant, has both male or feminine flowers.

Whereas male palmyra bushes are referred to as ‘aan panai’, the feminine ones are referred to as ‘penn panai’ or ‘pennai’. Nevertheless, the palmyra tree discovered close to Udangudi, which has been a male tree for 70 years, has now produced each female and male inflorescence spadices, a attribute discovered solely in monoecious crops.

M Thirupathi Venkadesh of the Division of Historical past of MS College, who’s researching on the subject ‘Historical past of Socio-economic and Cultural Situations of Palmyra Staff’, had recognized the tree.

APS Kannan (70), the proprietor of the palmyra farm, advised The New Indian Specific that the tree has been producing feminine and male inflorescence since 2020. The tree yielded a bunch of palmyra fruit in 2020 but it surely fell down earlier than reaching the maturing stage, he stated. Whereas the tree yielded six branches of palm fruits in 2021, a single department of spadix in 2022 produced over 100 fruits in a bunch trying like a banana fruit heap, stated Kannan, a double MA postgraduate.

Dr P Ravichandran of the Plant Science Division of Manonmaniam Sundaranar College, who has been observing the tree for the previous yr, stated final yr he and two different students discovered mature, ripe fruits in three feminine inflorescences together with a number of male inflorescences within the tree.

“This yr, the variety of fruits in a single department of inflorescence was almost 100. Normally, a single department of spadix will bear round 15 to 25 fruits, however on this tree, all of the flowers within the spadix had fertilised and fruits are discovering it troublesome to develop in measurement due to lack of house,” Ravichandran stated.

Thirupathi Venkadesh stated the uncommon phenomenon of bisexual palmyra bushes has been recorded earlier than in HR Pate’s Tirunelveli District Gazetteer, 1917, and Vedhapureeswarer Temple in Cheyyar of Thiruvannamalai district has a miniature stone statue of a palmyra palm (‘kal panai’) with each female and male spadices.

Ravichandran stated he had seen a bisexual palmyra tree at Kumarapuram village of Cuddalore district, and one every in Villupruam and Tirunelveli districts however they’re but to provide fertile flowers and fruits.

A couple of researchers have additionally discovered a bisexual palmyra palm tree at Undeswarapuram close to Rajamundry in Andhra Pradesh. Palmyra bushes with bisexual options are referred to as ‘kalantha panai’ or “arthanari panai” referring to the deity Arthanareeswarar, he stated.

Ok Essakimuthu of the Division of Plant Science at MS College, who’s doing analysis in reproductive biology, advised The New Indian Specific that the seeds of the bisexual palmyra tree in Gnaniyar Kudiyiruppu had been fertile and so they germinated effectively throughout experiments performed on the college campus.

The event of the endosperm and embryo within the seeds had been regular, he stated. He attributed the change of the dioecious tree to co-sexual monoecious to genetic modification.



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