INVESTIGATION OF TRAITS CORRELATIONS AND PATH ANALYSIS OF CORN (ZEAMAYS L.) SEED YIELD IN DIFFERENT LEVELS OF PHOSPHOROUS

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RAFIEE M.; NOUR MOHAMMADI GH.; KARIMI M.; NADIAN H.A.

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Journal: Year:2008 | Volume:13 | Issue:1 (SUPPLEMENT) Page(s): 157-169

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Title

INVESTIGATION OF TRAITS CORRELATIONS AND PATH ANALYSIS OF CORN (ZEAMAYS L.) SEED YIELD IN DIFFERENT LEVELS OF PHOSPHOROUS

Author(s)

RAFIEE M. | NOUR MOHAMMADI GH. | KARIMI M. | NADIAN H.A. | Issue Writer Certificate

Keywords

CORNQ2

PHOSPHOROUSQ2

DROUGHT STRESSQ2

ZNQ2

PATH ANALYSISQ2

Abstract

In order to determine the most important traits that affecting grain yield of com, a field Study was conducted similary in 1999 and 2000, in Khoramabad, as a split-factorial in RCBD in four replicates. Drought treatments were the plant irrigation after soil water reached 70% (without stress), 60% (medium stress), and 50% (high stress) of FC as a main factor and ZN (0, 10 and 20 kg/ha ZN S04, 7 H20) and P (0 and 150 kg/ha P205) as factorial were the factors of this design. Grain yield was positively correlated with yield components (ear No. per m2, row No. per ear, grain No. per row, 100-grainweight), relative water content, leaf area index, biological yield and harvest index; but negatively correlated with straw yield. According to the stepwise regration analysis grain and straw yield were the most effects on harvest index, and on grain yield were yield components in different levels of DROUGHT STRESSes. Other traits affected on straw yield differently. PATH ANALYSIS showed that grain yield was most direct effect on harvest index in different levels of phosphorus. Ear No. per m2 was the most effect on grain yield in without and medium stresses, but row No.per ear in high stress. With increasing in phosphorus application above critical limit, the direct effect biological yield on straw yield was increased, showed that the effect of grain yield on harvest index decreased.

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References

تجزیه علیت عملکرد دانه، اجزای آن و برخی صفات مرفولوژیک در گندم پاییزه

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APA: Copy

RAFIEE, M., NOUR MOHAMMADI, GH., KARIMI, M., & NADIAN, H.A.. (2008). INVESTIGATION OF TRAITS CORRELATIONS AND PATH ANALYSIS OF CORN (ZEAMAYS L.) SEED YIELD IN DIFFERENT LEVELS OF PHOSPHOROUS. JOURNAL OF AGRICULTURAL SCIENCES, 13(1 (SUPPLEMENT)), 157-169. SID. https://sid.ir/paper/7549/en

Vancouver: Copy

RAFIEE M., NOUR MOHAMMADI GH., KARIMI M., NADIAN H.A.. INVESTIGATION OF TRAITS CORRELATIONS AND PATH ANALYSIS OF CORN (ZEAMAYS L.) SEED YIELD IN DIFFERENT LEVELS OF PHOSPHOROUS. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2008;13(1 (SUPPLEMENT)):157-169. Available from: https://sid.ir/paper/7549/en

IEEE: Copy

M. RAFIEE, GH. NOUR MOHAMMADI, M. KARIMI, and H.A. NADIAN, “INVESTIGATION OF TRAITS CORRELATIONS AND PATH ANALYSIS OF CORN (ZEAMAYS L.) SEED YIELD IN DIFFERENT LEVELS OF PHOSPHOROUS,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 13, no. 1 (SUPPLEMENT), pp. 157–169, 2008, [Online]. Available: https://sid.ir/paper/7549/en

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