THE EFFECTS OF AMINO ACID FERTILIZERS ON PHYSIOLOGICAL CHARACTERISTIC, GRAIN YIELD AND ITS COMPONENTS IN CORN (ZEA MAYS) UNDER DROUGHT STRESS

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YARMAHMOODI Z.; TADAION M.S.; JAFARI B.

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Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2009 | Volume:1 | Issue:2 Page(s): 37-48

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Title

THE EFFECTS OF AMINO ACID FERTILIZERS ON PHYSIOLOGICAL CHARACTERISTIC, GRAIN YIELD AND ITS COMPONENTS IN CORN (ZEA MAYS) UNDER DROUGHT STRESS

Author(s)

YARMAHMOODI Z. | TADAION M.S. | JAFARI B. | Issue Writer Certificate

Keywords

FERTILIZERQ2

YIELD AND YIELD COMPONENTSQ3

CGRQ2

NARQ3

RGRQ2

Abstract

This experiment was carried out in 2008 at experimental field of Arsanjan Islamic Azad university in order to study the effects of chemical and biological FERTILIZERs and interaction between them on some physiological characteristic and yield and its components of com under two different irrigations. The experiment was conducted in a split plot factorial with completely randomized block design using four replications. Sub plots consisted of combined application of urea with two levels (0 and 300 kg.ha-1) and two levels of bio-FERTILIZER (0 and 4 Lit/ha-1) in four stage that was from 4th leaf appereance until milk stage. Bio-FERTILIZERs were Kadostim, Phosphotern, Aminolephorte and Hyomiphorte. Main plots consisted of two periods of irrigation (8 and 12 days). The results showed that highest grain yield was in conditional application at integrated treatment 300 kg.ha-1 Urea FERTILIZER and 4 L.ha-1 biological, FERTILIZER (12.5 t.ha-1) showed 257% increase in comparison control treatment. In this treatment decrease irrigation (12 days period of irrigation) from pollination stage to seed maturity, decreased GY by 8.9%. In drought treatment the highest kernel number per ear and highest 1000 kernel weight was in integrated FERTILIZER treatment but in 8 days period of irrigation there was no significant difference between integrated treatment and chemical treatment for 1000 kernel weight. The integrated treatment in 8 days period of irrigation showed the highest CGR, NAR and RGR.And decrease 12 days period of irrigation had little effect on these traits but application of chemical FERTILIZER after decrease irrigation CGR had much reduce trend to compared integrated treatment. In conclusion to reach to high yield in com bio-FERTILIZER is not sufficient but integrated application of FERTILIZERs (biological and chemical FERTILIZERs) result in significant increase in grain yield.

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APA: Copy

YARMAHMOODI, Z., TADAION, M.S., & JAFARI, B.. (2009). THE EFFECTS OF AMINO ACID FERTILIZERS ON PHYSIOLOGICAL CHARACTERISTIC, GRAIN YIELD AND ITS COMPONENTS IN CORN (ZEA MAYS) UNDER DROUGHT STRESS. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 1(2), 37-48. SID. https://sid.ir/paper/188567/en

Vancouver: Copy

YARMAHMOODI Z., TADAION M.S., JAFARI B.. THE EFFECTS OF AMINO ACID FERTILIZERS ON PHYSIOLOGICAL CHARACTERISTIC, GRAIN YIELD AND ITS COMPONENTS IN CORN (ZEA MAYS) UNDER DROUGHT STRESS. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2009;1(2):37-48. Available from: https://sid.ir/paper/188567/en

IEEE: Copy

Z. YARMAHMOODI, M.S. TADAION, and B. JAFARI, “THE EFFECTS OF AMINO ACID FERTILIZERS ON PHYSIOLOGICAL CHARACTERISTIC, GRAIN YIELD AND ITS COMPONENTS IN CORN (ZEA MAYS) UNDER DROUGHT STRESS,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 1, no. 2, pp. 37–48, 2009, [Online]. Available: https://sid.ir/paper/188567/en

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