ALLELOPATHY JOURNAL
Volume 6 , Numher 1, January 1999



F.E. DAYAN and M.R. TELLER (Oxford, USA) 1
Phytotoxicity of tarbush (flourensia cernua DC) IeaF extracts

K.H.Y. ZWAIN, I.S. ALSAADAWI and H.A. SHAHATA (Baghdad. Iraq) 13
Effect of decomposing wheat residues on growth and biological nitrogen fixation
of blue green algae

A.M. ZOBEL and P.A. CLARKE ( Peterborough, Canada) 21
Production ofphenolics in seedlings of Acer sclcchurnnl and Acer platanoides in
response to UV-A irradiation and heavy nietals

S.S. NARWAL, T. SINGH.J.S. HOODA and M.K. KATHUkIA (Hisar. India) 35
Allelopathic effects of sunflower on succeeding suminer crops. I. Field studies and
bioassays

S.R. AMBIKA and S. SUMA (Bangalore, India) 49
Influence of pollutants on the allelopatlnc potential of Anuircinthus spinosas L.

V. VENKATAIAH, A. KASHINATIIAM and B. DAS (Hyderabad, India) 57
Investigations on Parthenimn hysterophorus l and chemical and biochemical
modifications of parthenin allelochemicals

SHURT COMMUNICATIONS

R.S. UTKHEDE (Agassiz Canada) . 63
Biological treatments to increase apple tree growth in replant problem soil

H.V. NANJAPPA, R. POONGIJZIIALAN and B.K. RAMACHANDRAPPA 69
Influence of sun flower on subsequent crops

P. CHALLA and V. RAVINDRA (Bangalore. India) 75
Allelopathic potential of mango leaves lor weed management in rose
(Rosa hybrida cv. Happiness) basins

JACOB JOHN and A.M. NAIR (Trivendrum, India) 81
Allelopathic effects of leaf leachales of multiplirposc trees

K.B.PAWAR and P.D. CHAVAN (Kolhapur .india) 87
Influence of leaf leachates of plant species on mineral nutrition of
Sorghum bicolor (L.) Mocneli

ABSTRACTS OF RECENT LITRATURE 93