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- Title
Effects of potato-onion intercropping on root morphology of tomato through volatile organic compounds.
- Authors
Shi, J. B.; Gong, X. Y.; Rahman, M. Khashi u; Yuan, T.; Li, M. Q.; Zhou, X. G.; Wu, F. Z.
- Abstract
Facilitative interactions occur between the plants in intercropping systems, however, the underlying allelopathy mechanisms are poorly understood. We determined the effects of potato-onion (Allium cepa var. agrogatum Don.) intercrop on root morphology of tomato (Lycopersicon esculenum L.) through volatile organic compounds (VOCs). There were four treatments as (i) Tomato/tomato without VOCs interaction (-TT), (ii) Tomato/tomato with VOCs interaction (+TT, control), (iii) Potato-onion/tomato without VOCs interaction (-OT) and (iv) Potato-onion/tomato with VOCs interaction +(OT) in glasshouses. As compared to tomato, VOCs from potato-onion significantly increased the number of root tips total length but decreased the root diameter of tomato, however significantly the increase the tomato root length (0-0.5 mm mean diameter). These results indicated that the tomato root morphology has influenced by aboveground secreted VOCs from neighboring plants in potato-onion intercropping system.
- Subjects
INTERCROPPING; TOMATOES; VOLATILE organic compounds; ALLELOPATHY; POTATOES
- Publication
Allelopathy Journal, 2022, Vol 55, Issue 2, p239
- ISSN
0971-4693
- Publication type
Article
- DOI
10.26651/allelo.j/2021-52-2-1319