DETERMINATION OF THE MOST APPROPRIATE PLANTING DENSITY AND PLANTING PATTERN OF PARENTAL LINES OF HYBRID CORN SEED YIELD AND YIELD COMPONENTS AND SOME MORPHOLOGIC CHARACTERISTICS

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BEHDARVAND MARZIEH; ALAMI SAIED KHALIL; SIADAT SEYED ATA ELAH; SHARAFIZADEH MEHRAN

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Journal: CROP PHYSIOLOGY Year:2010 | Volume:1 | Issue:4 Page(s): 47-59

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Title

DETERMINATION OF THE MOST APPROPRIATE PLANTING DENSITY AND PLANTING PATTERN OF PARENTAL LINES OF HYBRID CORN SEED YIELD AND YIELD COMPONENTS AND SOME MORPHOLOGIC CHARACTERISTICS

Author(s)

BEHDARVAND MARZIEH | ALAMI SAIED KHALIL | SIADAT SEYED ATA ELAH | SHARAFIZADEH MEHRAN | Issue Writer Certificate

Keywords

PLANT DENSITYQ3

YIELD COMPONENTQ2

PLANTING PATTERNQ2

HYBRID SEEDQ3

Abstract

In order to evaluate the effects of density and the ratio of maternal to paternal lines of parent lines of maize single cross 704 on yield of seed production of maize hybrids and some agronomic traits, an experiment was conducted in the farm of seed production of Shahid Beheshti Agro-Industry company in Khuzestan province in a split plot form and in a randomized completely block design (RCBD) with four replications in 2009. Density (60000, 70000, 80000 and 90000 plants per hectare) was considered as a main factor and PLANTING PATTERN of maternal and paternal lines in 6:2 and 4:2 was placed in subplots. Analysis of variance indicated that PLANT DENSITY had significant effects on ear number square meter, ear number per plant, and ear length, but it didn't have any effects on other traits. Mean evaluation of these three traits, indicated that ear number per square, ear number per plant, and ear length didn't have significant difference from 70000 to 90000 plants per hectare. The minimum ear number square meter was obtained 3.36 plants from 60000 PLANT DENSITY. Analysis of variance indicated that the proportion of maternal to paternal lines had only a significant effect on ear diameter, but it had no effects on other traits. Ear diameter decreased significantly with the increase of maternal line numbers. But their interaction was effective on ear number per plant and ear diameter. The highest direct significant correlation with yield was attributed to ear number square metre. Therefore the increase of grain yield is due to an increase of ear number per square which has compensated the yield decrease of each plant. The highest grain yield (2.8 ton/h) was obtained through the interaction of the highest density (90000 plants) with the most maternal line numbers (6 lines).

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APA: Copy

BEHDARVAND, MARZIEH, ALAMI SAIED, KHALIL, SIADAT, SEYED ATA ELAH, & SHARAFIZADEH, MEHRAN. (2010). DETERMINATION OF THE MOST APPROPRIATE PLANTING DENSITY AND PLANTING PATTERN OF PARENTAL LINES OF HYBRID CORN SEED YIELD AND YIELD COMPONENTS AND SOME MORPHOLOGIC CHARACTERISTICS. CROP PHYSIOLOGY, 1(4), 47-59. SID. https://sid.ir/paper/174504/en

Vancouver: Copy

BEHDARVAND MARZIEH, ALAMI SAIED KHALIL, SIADAT SEYED ATA ELAH, SHARAFIZADEH MEHRAN. DETERMINATION OF THE MOST APPROPRIATE PLANTING DENSITY AND PLANTING PATTERN OF PARENTAL LINES OF HYBRID CORN SEED YIELD AND YIELD COMPONENTS AND SOME MORPHOLOGIC CHARACTERISTICS. CROP PHYSIOLOGY[Internet]. 2010;1(4):47-59. Available from: https://sid.ir/paper/174504/en

IEEE: Copy

MARZIEH BEHDARVAND, KHALIL ALAMI SAIED, SEYED ATA ELAH SIADAT, and MEHRAN SHARAFIZADEH, “DETERMINATION OF THE MOST APPROPRIATE PLANTING DENSITY AND PLANTING PATTERN OF PARENTAL LINES OF HYBRID CORN SEED YIELD AND YIELD COMPONENTS AND SOME MORPHOLOGIC CHARACTERISTICS,” CROP PHYSIOLOGY, vol. 1, no. 4, pp. 47–59, 2010, [Online]. Available: https://sid.ir/paper/174504/en

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