Influence of planting date, intercropping and plant growth promoting rhizobacteria on cumin (Cuminum cyminum L.) with particular respect to disease infestation in Iran

- Fall planting dates reduced the disease infestation of cumin.
- Cumin diseases infestation was lower in intercropping with fenugreek.
- Fall planting date enhanced the cumin and fenugreek seed yield production.
- Plant growth promoting rhizobacteria (PGPR) application showed no effect on disease control.
- The land equivalent ratio of intercropping was in all treatments more than one.