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INDIA : Inside the world’s first "Almost Seedless" mango

















August 4th, 2014







As the national fruit of India, the mango is not only an important commercial crop and precious commodity but is embedded in the culture of the world’s second most populated country. Developing new varieties of the popular fruit has been the pursuit of many agricultural universities for decades, and continues to be so. 







At www.freshfruitportal.com, we spoke with the scientist behind breeding the very first variety of "seedless" mango in India more than 20 years ago, which is now going through an evaluation process to test for suitability in the state of Bihar.




When sections of the Indian press reported that an agricultural university in the Indian state of Bihar had developed a new variety of seedless mango recently, this didn’t exactly tell the whole story.









As scientists well know, the development of any new variety, least of all a seedless mango, takes years and the back story to the Sindhu variety dates to its original release in the state of Maharashtra in 1992.




Prior to that, a scientific team based at Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth Dapoli Agricultural University and led by Doctor Ramchandram Gunjate, had been working on a hybridization program for around 15 years.




“Developing a new variety is a long-term process; it takes about 12 to 15 years to release one variety, if you are lucky,”
Gunjate told us.



“The development of mango varieties is a continuous process because people want new varieties all of the time with better taste, better flavor, and better yield qualities.




“I was the leader of a great team of people and we all worked on this together and were very proud when it was approved, released and given to the farmers for plantation.”







Cross breeding and Sindhu’s development


The Sindhu mango – so named because Gunjate’s breeding program happened in the Sindhudurg district of Maharashtra – is a finely textured, juicy fruit with a rich, sweet and distinctive flavor at maturity.



What sets it apart from other varieties is the fact that it is virtually seedless – although it is referred to as being seedless in general terms – and is a hybrid of Alphonso, largely considered to be the best Indian mango, and another variety Ratna.




“We were hybridizing the Alphonso and crossing this with other varieties. We already had the hybrid named Ratna that was released some time ago in 1976-77,”
he said.




“We wanted to get a better variety than Ratna but with all the qualities of the Alphonso so we hybridized the two so that more qualities from the Alphonso were incorporated into the new variety.





“So we were doing this new breeding hybridization work and during that process we found this new particular hybrid had all the Alphonso qualities but the stone is very paper thin and light.





Gunjate explained the stone of an Alphonso was around 25 grams (0.055lbs) in weight, compared with the 6-gram (0.013lbs) stone of the Sidhu creation.




“This seed does not have a viable embryo which means it doesn’t germinate so it’s referred to as a non-viable seed and the process by which these non-viable seeds are developed is called parthenocarpy.



“So we found this parthenocarpic new hybrid and named it Sindhu when we released it in 1992. Just like parents give names they like to their children, we like to give our mangoes names. That is the prerogative of the breeder and so we named it Sindhu.”




After going through the relevant approval and evaluation, much in the same way as Bihar Agricultural University experts are trialing now but with different parameters relevant to the growing conditions in a northern state, the Sindhu was released to farmers for commercial cultivation.









“The farmers began to grow the Sindhu variety because they knew it had all of the qualities of the Alphonso but practically seedless,” Gunjate said.



“With mango, because the stone is usually so big it cannot become totally seedless as it were otherwise the fruit will not grow. So scientifically it’s parthenocarpic which in laymen’s language is called seedless fruit.



“This was the first scientifically developed parthenocarpic mango variety. So since the early nineties many farmers have been growing the Sindhu variety in many parts of India, especially in the Konkan region, the coastal area of Maharashtra, where it was developed.”




Bihar Agricultural University planted Sindhu cultivars three years ago and this year was the first time trees yielded fruit weighing around 200 grams (0.44lbs) and the stones were discovered to be very small and almost seedless.



“Bihar has obviously found this is a good variety for them also. They can’t claim that they developed this variety but they can certainly inform their farmers how good it is and recommend them to grow it.



“It is going through a suitability evaluation process for profitability and I think it’s a good thing they [Bihar farmers] grow it.”





Photo: Joyosity, via Flickr Creative Commons

www.freshfruitportal.com

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In alphabetical order by Country....










India




Alphonso





Alphonso (mango)
From Wikipedia, the free encyclopedia








Alphonso (हापुस Haapoos in Marathi, હાફુસ in Gujarati, ಆಪೂಸ್ Aapoos in Kannada) is a mango cultivar that is considered by many[who?] to be one of the best in terms of sweetness, richness and flavor. 


It has considerable shelf life of a week after it is ripe making it exportable. 

It is also one of the most expensive kinds of mango and is grown mainly in Kokan region of western India.

 It is in season April through May and the fruit wei…

INDIA 2016 : Mango production in state likely to take a hit this year

TNN | May 22, 2016, 12.32 PM IST






Mangaluru: Vagaries of nature is expected to take a toll on the production of King of Fruits - Mango - in Karnataka this year. A combination of failure of pre-monsoon showers at the flowering and growth stage and spike in temperature in mango growing belt of the state is expected to limit the total production of mango to an estimated 12 lakh tonnes in the current season as against 14 lakh tonnes in the last calendar year.



However, the good news for fruit lovers is that this could see price of mangoes across varieties decrease marginally by 2-3%. This is mainly on account of 'import' of the fruit from other mango-growing states in India, said M Kamalakshi Rajanna, chairperson, Karnataka State Mango Development and Marketing Corporation Ltd.




Karnataka is the third largest mango-growing state in India after Uttar Pradesh and Maharashtra.



Inaugurating a two-day Vasanthotsava organized by Shivarama Karantha Pilikula Nisargadhama and the Corporation at P…

Mangoes date back 65 million years according to research ...

Experts at the Birbal Sahni Institute of Palaeobotany (BSIP) here have traced the origin of mango to the hills of Meghalaya, India from a 65 million year-old fossil of a mango leaf. 





The earlier fossil records of mango (Mangifera indica) from the Northeast and elsewhere were 25 to 30 million years old. The 'carbonized leaf fossil' from Damalgiri area of Meghalaya hills, believed to be a mango tree from the peninsular India, was found by Dr R. C. Mehrotra, senior scientist, BSIP and his colleagues. 




After careful analysis of the fossil of the mango leaf and leaves of modern plants, the BISP scientist found many of the fossil leaf characters to be similar to mangifera.


An extensive study of the anatomy and morphology of several modern-day species of the genus mangifera with the fossil samples had reinforced the concept that its centre of origin is Northeast India, from where it spread into neighbouring areas, says Dr. Mehrotra. 




The genus is believed to have disseminated into neighb…