Allelopathic effects of Datura innoxia Mill. | [Pakistan Journal of Botany • 1979]

Author(s):

1. Farrukh Hussain: Chemistry Department, Gomal University, Dera Ismail Khan, Pakistan

2. Bushra Mubarak: Botany Department, University of Peshawar, Peshawar, Pakistan

3. Imtiaz-Ul Haq: Botany Department, University of Peshawar, Peshawar, Pakistan

4. Hussain H Naqvi: Botany Department, University of Peshawar, Peshawar, Pakistan

Abstract:

Relatively bare areas are frequently present under and around Datura innoxia Mill thickets, although several herbaceous species may grow well under other adjacent plants causing a shade equal to that of Datura. Field and laboratory experiments revealed that Datura significantly inhibited germination and growth of test species by root exudates, aqueous extracts from various parts, leachates and substances volatilizing from its shoot. Soil collected under and around Datura was inhibitory against the test species. The phytotoxicity depended upon the part assayed, its age, test species used and the physiological process involved. The prestnce of relatively bare areas under and around D. innoxia was due primarily to allelopathy.

Page(s): 141-153

DOI: DOI not available

Published: Journal: Pakistan Journal of Botany, Volume: 11, Issue: 2, Year: 1979

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