What allelopathic effects does Grevillea robusta have? Thanks, Padmini Raghavan.
On Wed, Oct 6, 2010 at 12:08 PM, Pankaj Kumar <[email protected]>wrote: > Allelopathic effects may differ according to the climatic conditions > of the area. > Pankaj > > > On Wed, Oct 6, 2010 at 10:21 AM, Sangeetha <[email protected]> > wrote: > > Palia ji, > > > > Please find the study in the links given below. Hope its useful to > > you. > > > > http://www.springerlink.com/content/xx2j657m24twu832/ > > http://www.springerlink.com/content/p21qhl0431018786/ > > > > Regards, > > Sangeetha > > > > > > On Oct 6, 5:57 am, Yazdy Palia <[email protected]> wrote: > >> Sangeetha Ji, > >> Thank you for the enlightenment. You will observe that I have > >> mentioned that these are the observation of a lay person. For your > >> reference, I will send you the picture of the growth under my tamarind > >> tree a few hours later. Thank you once again. I would love to receive > >> the study that has been conducted on the subject. > >> Regards > >> Yazdy. > >> > >> > >> > >> On Tue, Oct 5, 2010 at 11:43 PM, Sangeetha <[email protected]> > 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 <[email protected]> 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 <[email protected]> > 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_highlightingbegin_of_the_skype_highlighting > 011-25518297 end_of_the_skype_highlighting > Mob:9810359089begin_of_the_skype_highlighting 9810359089 > end_of_the_skype_highlightingbegin_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 < > [email protected]> > >> >> > 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 <[email protected]> > 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 < > [email protected]> > >> >> >>> 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 - > > > > -- > *********************************************** > "TAXONOMISTS GETTING EXTINCT AND SPECIES DATA DEFICIENT !!" > > > Pankaj Kumar Ph.D. (Orchidaceae) > Research Associate > Greater Kailash Sacred Landscape Project > Department of Habitat Ecology > Wildlife Institute of India > Post Box # 18 > Dehradun - 248001, India >
