EFFECT OF SEED RATE ON YIELD AND LODGING RELATED MORPHOLOGICAL TRAITS OF RICE CV. HASHEMI DIRECT SEEDING MOTHODS

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GHOLAMI REZVANI N.; ESFAHANI M.; KAABI RAHNAMA SH.; AALIMI A.; NAHVI M.; ALIZADEH M.R.

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Journal: SEED AND PLANT PRODUCTION JOURNAL Year:2014 | Volume:30-2 | Issue:1 Page(s): 61-85

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Title

EFFECT OF SEED RATE ON YIELD AND LODGING RELATED MORPHOLOGICAL TRAITS OF RICE CV. HASHEMI DIRECT SEEDING MOTHODS

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Keywords

BENDING MOMENTQ2

BREAKING RESISTANCEQ2

DIRECT SEEDINGQ2

LODGINGQ2

RICEQ2

Abstract

In this experiment, seed rates in DIRECT SEEDING methods of RICE (cv. Hashemi) were compared and LODGING related traits were evaluated in split plot lay out based on randomized complete block design with three replications and four seeding methods as main plots and three seeding rates (60, 80 and 100 kgha-1) as sub plots at RICE Research Institute of Iran, Rasht, Iran. Seeding methods consisted of drum DIRECT SEEDING, hill wet seeding, broadcasting and pre-geminated seeding in puddle field. The maximum grain yield (2753 kgha-1), internodes length, internodes fresh weight, third and fourth internode cross-section area (4.43 and 7.12 mm2, respectively), third and fourth BENDING MOMENT (493.04 and 581.93 gcm, respectively) and BREAKING RESISTANCE of third and fourth node (947.24 and 1651.89 gcm, respectively) were obtained in hill wet seeding method. The maximum grain yield (2486 kgha-1) was obtained in 100 kgha-1 seed rate. Increase in seeding rate resulted in decrease of internodes length, internodes fresh weight and BENDING MOMENT of third and fourth internodes. Stepwise regression analysis showed that internode cross section area and internode flattening had highly significant effect on BREAKING RESISTANCE (verified 56% and 59% of BREAKING RESISTANCE, respectively). It seems it may possible to prevent the LODGING problems in Hashemi RICE production to a large extent by DIRECT SEEDING of pre-germinated seeding in conditions of the intended region.

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APA: Copy

GHOLAMI REZVANI, N., ESFAHANI, M., KAABI RAHNAMA, SH., AALIMI, A., NAHVI, M., & ALIZADEH, M.R.. (2014). EFFECT OF SEED RATE ON YIELD AND LODGING RELATED MORPHOLOGICAL TRAITS OF RICE CV. HASHEMI DIRECT SEEDING MOTHODS. SEED AND PLANT PRODUCTION JOURNAL, 30-2(1), 61-85. SID. https://sid.ir/paper/147226/en

Vancouver: Copy

GHOLAMI REZVANI N., ESFAHANI M., KAABI RAHNAMA SH., AALIMI A., NAHVI M., ALIZADEH M.R.. EFFECT OF SEED RATE ON YIELD AND LODGING RELATED MORPHOLOGICAL TRAITS OF RICE CV. HASHEMI DIRECT SEEDING MOTHODS. SEED AND PLANT PRODUCTION JOURNAL[Internet]. 2014;30-2(1):61-85. Available from: https://sid.ir/paper/147226/en

IEEE: Copy

N. GHOLAMI REZVANI, M. ESFAHANI, SH. KAABI RAHNAMA, A. AALIMI, M. NAHVI, and M.R. ALIZADEH, “EFFECT OF SEED RATE ON YIELD AND LODGING RELATED MORPHOLOGICAL TRAITS OF RICE CV. HASHEMI DIRECT SEEDING MOTHODS,” SEED AND PLANT PRODUCTION JOURNAL, vol. 30-2, no. 1, pp. 61–85, 2014, [Online]. Available: https://sid.ir/paper/147226/en

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