EFFECTS OF PLANTING PATTERN AND POPULATION DENSITY ON LIGHT EXTINATION COEFFICIENT, LIGHT INTERCEPTION AND GRAIN YIELD OF SWEET CORN (HYBRID SC402)

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FATHI G.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:12 | Issue:Supplement (Special Issue Agronomy) Page(s): 131-143

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Title

EFFECTS OF PLANTING PATTERN AND POPULATION DENSITY ON LIGHT EXTINATION COEFFICIENT, LIGHT INTERCEPTION AND GRAIN YIELD OF SWEET CORN (HYBRID SC402)

Author(s)

FATHI G. | Issue Writer Certificate

Keywords

PLANTING PATTERNQ2

DENSITYQ3

LIGHT EXTINATION COEFFICIENTQ4

LIGHT INTERCEPTIONQ4

SWEET CORNQ3

Abstract

In order to study the effect of PLANTING PATTERN and plant DENSITY on light extinction coefficient, LIGHT INTERCEPTION and grain yield of SC402 SWEET CORN, an experiment was conducted in 2001-2002 at Ramin Agricultural Research and Education Center, Shahid Chamran University, located 36 km north of Ahwaz city. The design of the experiment was a factorial in a randomized complete block design with 4 replications. The PLANTING PATTERN were consisted of 3 levels, equidistant (Pt), rectangular (P2) and zigzag (P3)and planting DENSITY were 4 level, 65000 (Dt), 75000 (D2),85000 (D3)and 95000 (D4) plants/ ha. Results showed that PLANTING PATTERN had no effect on leaf area index (LAI) but plant DENSITY increased this index. With highest plant DENSITY LAI reached to a maximum of 3.34. LIGHT EXTINATION COEFFICIENT reduced in equidistance and zigzag compared to rectangular pattern due to less distance between rows. High plant densities (85000 and 95000 plants/ha) relatively had lower light extinction coefficient particularly in early reproductive growth. By increasing plant DENSITY to 95000 plants/ha LIGHT INTERCEPTION reached to a maximum of 81/8%. In equidistant pattern grain yield was higher than other treatments and this was mainly due to the better performance of yield components in this PLANTING PATTERN. Higher yield (4667.6 kg/ha) was also obtained with higher plant population. In higher plant DENSITY equidistant was superior to other PLANTING PATTERNs.

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اثر تاریخ کاشت بر پتانسیل عملکرد دو رقم ذرت شیرین در شرایط آب و هوایی خوزستان

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APA: Copy

FATHI, G.. (2006). EFFECTS OF PLANTING PATTERN AND POPULATION DENSITY ON LIGHT EXTINATION COEFFICIENT, LIGHT INTERCEPTION AND GRAIN YIELD OF SWEET CORN (HYBRID SC402). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 12(Supplement (Special Issue Agronomy)), 131-143. SID. https://sid.ir/paper/9046/en

Vancouver: Copy

FATHI G.. EFFECTS OF PLANTING PATTERN AND POPULATION DENSITY ON LIGHT EXTINATION COEFFICIENT, LIGHT INTERCEPTION AND GRAIN YIELD OF SWEET CORN (HYBRID SC402). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;12(Supplement (Special Issue Agronomy)):131-143. Available from: https://sid.ir/paper/9046/en

IEEE: Copy

G. FATHI, “EFFECTS OF PLANTING PATTERN AND POPULATION DENSITY ON LIGHT EXTINATION COEFFICIENT, LIGHT INTERCEPTION AND GRAIN YIELD OF SWEET CORN (HYBRID SC402),” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 12, no. Supplement (Special Issue Agronomy), pp. 131–143, 2006, [Online]. Available: https://sid.ir/paper/9046/en

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