Hi Sangeeth ji nice info about the allelopathic effects of tamarind exudates.
regards Shantanu : ) On Oct 5, 11:13 pm, Sangeetha <sangeeth.mall...@gmail.com> wrote: > Palia ji, > > Tamrind root exudates have allelopathic competence and are evaluated > for sustainable weed management programs. > The bark and the seeds have differential (inhibitory and excitatory) > allelopathic effects. They have some growth regulators which > additively or synergestically involve in plant specific expression. > > Regards, > Sangeeth mallika > > On Oct 5, 10:20 pm, Yazdy Palia <yazdypa...@gmail.com> wrote: > > > > > Dr. Gurcharan Singh Ji, > > I do not know about walnut tree and allelopathy. I have seen that > > nothing grows under a tree where the shade is so thick that no > > sunlight penetrates. I have seen someone claim that tamarind tree has > > also the allelopathy effect. I can not agree to that as I have a > > couple of them and we have coffee growing very well underneath it. I > > had a very healthy pepper vine on them and also thick growth of weeds > > growing under its shade. > > It is worth observing the rainfall in the area where such observations > > are made. Another point to be observed is are the walnut trees so > > close to each other that no sunlight penetrates under the thick > > canopy. > > We have a few jack fruit trees so close to each other and no weeds > > would grow underneath it in spite of very nice mulch and nice loamy > > soil. Once we regulated the shade, we found lush growth underneath it. > > This though is the observation of a lay person. > > Regards > > Yazdy. > > > On Tue, Oct 5, 2010 at 12:45 AM, Gurcharan Singh <singh...@gmail.com> wrote: > > > Yes walnut is the commonest example of allelopathy I would tell my > > > students. > > > Hardly any plant grows beneath it. > > > > -- > > > Dr. Gurcharan Singh > > > Retired Associate Professor > > > SGTB Khalsa College, University of Delhi, Delhi-110007 > > > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. > > > Phone:011-25518297begin_of_the_skype_highlighting 011-25518297 end_of_the_skype_highlighting > > > > > > Mob:9810359089begin_of_the_skype_highlighting 9810359089 end_of_the_skype_highlighting > > >http://people.du.ac.in/~singhg45/ > > > > On Mon, Oct 4, 2010 at 11:08 AM, Sushmita Jha <sushmitas...@gmail.com> > > > wrote: > > > >> Thank you, Mani ji. I did not know that walnut is an allelopathic tree. > > >> What are the other common trees that are allelopathic? Are neem and > > >> banyan? > > >> Regards, > > >> Sushmita Jha > > >> On Mon, Oct 4, 2010 at 11:29 PM, mani nair <mani.na...@gmail.com> wrote: > > > >>> Sushmita ji, nice photos. Last year during our visit to Kashmir we go to > > >>> see lots of Walnut trees with immature fruits. The tree is very > > >>> beautiful > > >>> and is allelopathic - meaning it does not allow any other plants to > > >>> grow > > >>> under or near it. > > > >>> Thanks for sharing > > > >>> Regards, > > > >>> Mani. > > > >>> On Mon, Oct 4, 2010 at 11:16 PM, Sushmita Jha <sushmitas...@gmail.com> > > >>> wrote: > > > >>>> These images have been taken by my brother, Somnath Jha, who is based > > >>>> in > > >>>> Srinagar.- Hide quoted text - > > > - Show quoted text -- Hide quoted text - > > - Show quoted text -
