EFFECT OF TILLER MANIPULATION AT DIFFERENT PLANTING DENSITIES ON GRAIN YIELD AND IT'S COMPONENTS OF ATRAK CULTIVAR IN SOUTH KHUZISTAN

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RAHNAMA A.; BAKHSHANDEH A.; NOUR-MOHAMAD G.

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Journal: Iranian Journal of Crop Sciences Year:2000 | Volume:2 | Issue:3 Page(s): 12-24

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Title

EFFECT OF TILLER MANIPULATION AT DIFFERENT PLANTING DENSITIES ON GRAIN YIELD AND IT'S COMPONENTS OF ATRAK CULTIVAR IN SOUTH KHUZISTAN

Author(s)

RAHNAMA A. | BAKHSHANDEH A. | NOUR-MOHAMAD G. | Issue Writer Certificate

Keywords

WHEATQ3

YIELDQ2

YIELD COMPONENTSQ3

DENSITYQ2

TILLER NUMBERS AND TILLER MANIPULATIONQ3

Abstract

In order to increase WHEAT YIELD components in Atrak cultivar this study was carried out for two years in Khuzistan Agricultural Research Center during 1997 and 1997-98. The design of the experiment was split plot with 3 replications. The main plots were consisted of 3 planting densities; (100, 300 and 500 seeds per m2) and sub plots were allocated to 4 tiller removal treatments (all tillers removed, removing all but one and two tillers remained and no tiller removed as control). Also based on two years results a trial was carried out in 1999-2000 in a box with Completely Randomized Design with three replications and three levels of row distance (20, 10 and 5 cm) and three tiller removal (all tillers removed, one tiller per plant and no tiller removed as control. In the treatments the sowing DENSITY was 400 seeds per m2. The results showed that as planting DENSITY increased, spike per m2 increased but seed per spike decreased. Planting DENSITY had no significant effect on 1000-gtain weight. However spike partial thinning caused an increase in 1000-grainweight, indicating a source limitation. The treatment in which all tillers were removed had the highest seed weight and seed number per spike. On the basis of these results, the highest planting DENSITY with lowest number of tiller per plant, produced the highest grain YIELD. The results of 1999-2000 experiment indicated that a uniform planting pattern has a positive effect on YIELD components. It was concluded that for Atrak cultivar, 400 seeds per m2density with 5x5 spacing is the best treatment and is recommended.

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APA: Copy

RAHNAMA, A., BAKHSHANDEH, A., & NOUR-MOHAMAD, G.. (2000). EFFECT OF TILLER MANIPULATION AT DIFFERENT PLANTING DENSITIES ON GRAIN YIELD AND IT'S COMPONENTS OF ATRAK CULTIVAR IN SOUTH KHUZISTAN. IRANIAN JOURNAL OF CROP SCIENCES, 2(3), 12-24. SID. https://sid.ir/paper/57126/en

Vancouver: Copy

RAHNAMA A., BAKHSHANDEH A., NOUR-MOHAMAD G.. EFFECT OF TILLER MANIPULATION AT DIFFERENT PLANTING DENSITIES ON GRAIN YIELD AND IT'S COMPONENTS OF ATRAK CULTIVAR IN SOUTH KHUZISTAN. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2000;2(3):12-24. Available from: https://sid.ir/paper/57126/en

IEEE: Copy

A. RAHNAMA, A. BAKHSHANDEH, and G. NOUR-MOHAMAD, “EFFECT OF TILLER MANIPULATION AT DIFFERENT PLANTING DENSITIES ON GRAIN YIELD AND IT'S COMPONENTS OF ATRAK CULTIVAR IN SOUTH KHUZISTAN,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 2, no. 3, pp. 12–24, 2000, [Online]. Available: https://sid.ir/paper/57126/en

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