Pradip Kumar Sarkar

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Questions related from Pradip Kumar Sarkar

Can anyone answer me the number of chromosome in Kusum tree (Schleichera oleosa)? Kindly attach the file or the reference if any?

The Kusum (Schleichera oleosa), belongs to the family Sapindaceae, indigenous to Indo-China subcontinent. I want to know the basic chromosome number before I proceed to further studies. Kindly...

28 April 2018 5,390 3 View

How can we identify weeds having no flower and fruits?

Most of the species from poacea family create confusion while identifying them. Genus can be easily identified but if there is no flowering or fruiting stage available for the particular weeds...

11 January 2017 1,929 5 View

Can anyone tell me from where I can get the seeds of Khaya senegalensis (African Mahogony)?

Can anyone tell me from where I can get the seeds of Khaya senegalensis (African Mahogony)? When I enquired this from locals, foresters, botanist, local seed sellers and nurserymen, no one knows...

01 January 1970 6,946 6 View

Are the species Melia dubia, M. azedarach and M. Composita same?

I was very surprised when I saw the differences on morphological characters in all these species. According to me, based on morphological and growth behaviour, I presume these species are...

01 January 1970 1,469 5 View

How can one estimate the asymptotic standard error manually? What is the formula?

For any non-linear equations, how can we estimate the asymptotic standard error for each of the parameters (say a, b, c, d) of that equation? Let say an equation: Y = a/[1+b exp (-c x X] (1/d)

01 January 1970 9,155 4 View