EFFECT OF LIMITED IRRIGATION AND PLANT DENSITY ON MORPHOLOGICAL CHARACTERISTICS AND GRAIN YIELD IN A DWARF SUNFLOWER HYBRID (CMS26 × R103) AS SECOND CROP

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DANESHIAN JAHANFAR; JABARI H.

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Journal: Iranian Journal of Crop Sciences Year:2009 | Volume:10 | Issue:4 (40) Page(s): 377-388

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Title

EFFECT OF LIMITED IRRIGATION AND PLANT DENSITY ON MORPHOLOGICAL CHARACTERISTICS AND GRAIN YIELD IN A DWARF SUNFLOWER HYBRID (CMS26 × R103) AS SECOND CROP

Author(s)

DANESHIAN JAHANFAR | JABARI H. | Issue Writer Certificate

Keywords

MORPHOLOGICAL CHARACTERISTICSQ3

PLANT DENSITYQ3

PRODUCTIVITY INDEXQ3

SEED OIL YIELD AND SEED YIELDQ2

Abstract

In order to study effects of limited irrigation and PLANT DENSITY on MORPHOLOGICAL CHARACTERISTICS and seed yield of a dwarf sunflower hybrid CMS26 × R103, a field experiment was conducted in a spilt plot arrangement using randomized complete block design with three replications in Seed and Plant Improvement Institute Karaj in 2005 cropping season. Limited irrigation levels included: irrigation after 50, 100, 150 and 200 millimeter evaporation from class A pan and PLANT DENSITY levels were 6, 8, 10 and 12 plant m-2 that were assigned to main and sub plots, respectively. Limited irrigation had significant effect on plant height, head diameter, seed yield, PRODUCTIVITY INDEX, seed oil content and oil seed yield, but there was no significant effect on leaf number. PLANT DENSITY affected on all characteristics, except of plant height, seed oil content and PRODUCTIVITY INDEX. The highest seed yield of 2726 kg.ha-1 was obtained from irrigation after 50 mm evaporation from class A pan. The highest seed yields under different irrigation levels were also obtained from 12 plant m-2. Results indicated that under irrigation after 50, 100 and 150 millimeter evaporation from class A pan, maximum seed yield was obtained from 12 plant m-2, however in irrigation after 200 millimeter evaporation from class A pan and 12 plant m-2 yield increase was not significant, due mainly to stress severity.

Cites

PHENOLOGY EVALUATION AND YIELD COMPARISON OF TWENTY FIVE SUNFLOWER GENOTYPES IN SHAHROD REGION

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APA: Copy

DANESHIAN, JAHANFAR, & JABARI, H.. (2009). EFFECT OF LIMITED IRRIGATION AND PLANT DENSITY ON MORPHOLOGICAL CHARACTERISTICS AND GRAIN YIELD IN A DWARF SUNFLOWER HYBRID (CMS26 × R103) AS SECOND CROP. IRANIAN JOURNAL OF CROP SCIENCES, 10(4 (40)), 377-388. SID. https://sid.ir/paper/57464/en

Vancouver: Copy

DANESHIAN JAHANFAR, JABARI H.. EFFECT OF LIMITED IRRIGATION AND PLANT DENSITY ON MORPHOLOGICAL CHARACTERISTICS AND GRAIN YIELD IN A DWARF SUNFLOWER HYBRID (CMS26 × R103) AS SECOND CROP. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2009;10(4 (40)):377-388. Available from: https://sid.ir/paper/57464/en

IEEE: Copy

JAHANFAR DANESHIAN, and H. JABARI, “EFFECT OF LIMITED IRRIGATION AND PLANT DENSITY ON MORPHOLOGICAL CHARACTERISTICS AND GRAIN YIELD IN A DWARF SUNFLOWER HYBRID (CMS26 × R103) AS SECOND CROP,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 10, no. 4 (40), pp. 377–388, 2009, [Online]. Available: https://sid.ir/paper/57464/en

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