EFFECTS OF PLANTING DATE, TIME AND METHODS OF WEED CONTROL ON WEED DENSITY AND BIOMASS IN CUMIN FIELDS

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GHORBANI R.; KOOCHAKI A.; HOSSEINI A.; JAHANI M.; ASADI GH.; AGHEL H.; MOHAMMAD ABADI A.A.

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Journal: Iranian Journal of Field Crops Research Year:2010 | Volume:8 | Issue:1 Page(s): 120-127

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Title

EFFECTS OF PLANTING DATE, TIME AND METHODS OF WEED CONTROL ON WEED DENSITY AND BIOMASS IN CUMIN FIELDS

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Keywords

CULTURAL CONTROLQ3

CUMINUM CYMINUMQ3

FIREQ2

HAND WEEDINGQ2

CONTROL TIMEQ2

Abstract

Two field experiments were carried out in order to evaluate the effect of planting date, method and date of weed control on weed density and biomass in the experimental research field, Faculty of Agriculture, Ferdowsi University of Mash had, during 2006 and 2007. Treatments included planting date (30 December, 20 January an 30 February), weeding date (first true leaf, start of branching and beginning of flowering stages) and weed control methods (hand weeding, FIRE treatment and control). The results showed that there were significant differences in the number of weeds between different sowing dates, weeding dates and control methods. The highest mean density and biomass of weeds were obtained on the planting date, 30 February, and when weed was controlled at the first leaf appearance stage with FIRE treatment. The most appropriate time for weed control was at the beginning of cumin flowering. FIRE treatment reduced weed growth in the first half of growing season. However, HAND WEEDING significantly reduced weed density and biomass in the second half of cumin growing season. The first planting date caused the lowest mean weed biomass and the highest cumin yield compared to later planting dates. HAND WEEDING treatment contained lower mean weed density and biomass compared to FIRE treatment, however, cumin yield was lower in HAND WEEDING plots than FIRE treatment.

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APA: Copy

GHORBANI, R., KOOCHAKI, A., HOSSEINI, A., JAHANI, M., ASADI, GH., AGHEL, H., & MOHAMMAD ABADI, A.A.. (2010). EFFECTS OF PLANTING DATE, TIME AND METHODS OF WEED CONTROL ON WEED DENSITY AND BIOMASS IN CUMIN FIELDS. IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 8(1), 120-127. SID. https://sid.ir/paper/118856/en

Vancouver: Copy

GHORBANI R., KOOCHAKI A., HOSSEINI A., JAHANI M., ASADI GH., AGHEL H., MOHAMMAD ABADI A.A.. EFFECTS OF PLANTING DATE, TIME AND METHODS OF WEED CONTROL ON WEED DENSITY AND BIOMASS IN CUMIN FIELDS. IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2010;8(1):120-127. Available from: https://sid.ir/paper/118856/en

IEEE: Copy

R. GHORBANI, A. KOOCHAKI, A. HOSSEINI, M. JAHANI, GH. ASADI, H. AGHEL, and A.A. MOHAMMAD ABADI, “EFFECTS OF PLANTING DATE, TIME AND METHODS OF WEED CONTROL ON WEED DENSITY AND BIOMASS IN CUMIN FIELDS,” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 8, no. 1, pp. 120–127, 2010, [Online]. Available: https://sid.ir/paper/118856/en

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