Influence of plants with pesticidal activity on Nezara viridula L. number regulation.
2023
Allelopathy is a natural ecological phenomenon that has been known and used in agriculture since ancient time, although wide scientific investigations in this direction became active in the last 2-3 decades. Allelochemicals derived from plants with pesticidal activity have great potential for plant protection against insect pests and diseases. They can minimize or completely eliminate the use of contemporary chemical pesticides, helping thus to reduce the use of chemical means and consequently pollution of environment and to provide effective methods of sustainable development in agriculture. We studied the effect of tomato companion plants with pesticidal activity - Tagetes patula L., Calendula officinalis L., Ocimum basilicum L. and Borago officinalis L. to control the number of the southern green stink bug Nezara viridula L. in a mixed crop. As a result of four years investigation, it was established that number of this insect pest compared with control was reduced about 38 unit or 61.3% by allelopathic effects of pesticidal plants in a tomato mixed crop. The obtained results should be taken into account for future use in organic farming. Tab. 1, Fig. 6, Ref. 7.
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Издатель Georgian Academy of Agricultural Sciences