Thanks, Vijay 1 for taking it so well and response is collegial 2 for all those links after study I'll write to to you again Usha di =====
On Sun, May 20, 2012 at 10:02 PM, Vijayasankar <[email protected]>wrote: > Usha di: > I understand that the shape/structure of galls is determined by factors > such as the plant part in question, stimuli from the gall-making organism > and the response from the host plant. > This one is a leaf gall formed probably by Aceria pongamiae mite: > http://en.wikipedia.org/wiki/File:PongamiaPinnataGall.jpg > The globose structures are probably of floral-galls as they are seen in > panicles. I couldn't find much detail on net for this. Chitra ji may have a > better explanation. > > Here are some useful readings: > > http://books.google.com/books?id=188UAAAAIAAJ&pg=PA141&lpg=PA141&dq=pongamia+galls&source=bl&ots=XHVjCK4DVb&sig=WgGeNZYjvsdYFXUgAkpuNhVfXNI&hl=en&sa=X&ei=4gu5T8z-Kq-e6QHpw6XwCg&ved=0CHEQ6AEwBQ#v=onepage&q=pongamia%20galls&f=false > http://www.tandfonline.com/doi/abs/10.1080/00222933308673760 > http://journal-phytology.com/index.php/phyto/article/viewFile/10220/5194 > > Chitra ji: > My previous mail was a response to Prashant ji. I addressed to you by > mistake, sorry for the inconvenience. You had clearly said that you > "...really doubt if they have globular fruits...". > > Regards > > Vijayasankar Raman > National Center for Natural Products Research > University of Mississippi > > > On Sun, May 20, 2012 at 10:05 AM, ushadi Micromini < > [email protected]> wrote: > >> Vijaya: >> please bear with me, and explain... how come an infection has proper >> branching pattern and looks like they are replacing some normal structure >> like a flower bud and bunches of them are hanging?? .. >> I know these round things are not pongamia fruits they look like this see >> attached file... >> >> thanks >> Usha di >> = >> >> On Sun, May 20, 2012 at 7:58 PM, Vijayasankar >> <[email protected]>wrote: >> >>> Chitra ji, those spherical structures are not fruits. >>> The following note from my book: >>> "Note: Two types of galls are commonly observed: one with elongated >>> swellings on leaf-surface, said to be caused by Eriophyes cheriani >>> Massee; >>> and the other with globose, hard, 5-8 mm dia., spherical structures that >>> are >>> often mistaken for normal fruits, reported to be caused by Asphondylia >>> pongamiae Felt. (Mani, 1965)." >>> >>> Regards >>> >>> Vijayasankar Raman >>> National Center for Natural Products Research >>> University of Mississippi >>> >>> >>> >>> On Sun, May 20, 2012 at 7:53 AM, Chitra Shanker <[email protected] >>> > wrote: >>> >>>> I really doubt if they have globular fruits coz this being pushed as a >>>> biodiesal tree a lot of work jas been done on genetic variability. May be >>>> its drying of flower buds. I seem to see scale encrustations on the twigs >>>> which could have caused the drying >>>> >>>> >>>> Dr. Chitra Shanker >>>> Sr. Scientist (Entomology) >>>> Directorate of Rice Research, >>>> Rajendranagar, Hyderabad -500030 >>>> >>>> >>>> >>> >> >> >> -- >> Usha di >> =========== >> >> > -- Usha di ===========
