Effect of Planting Dates on Growth and Yield of Late-planted Sweet Corn (Zea mays L.) to Sell Fresh Ears in the Autumn

Shin, Seong-Hyu; Jung, Goo-Bok; Kim, Mi‐Jung; Lee, Jin-Seok; Son, Beom-Young; Kim, Jung‐Tae; Bae, Hwan-Hui; Kim, Pil Joo; Kwon, Young-Up; Baek, Seong-Bum

doi:10.7740/kjcs.2014.59.3.299

Korean Journal of Crop Science

2014

DOI: 10.7740/kjcs.2014.59.3.299

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Effect of Planting Dates on Growth and Yield of Late-planted Sweet Corn (Zea mays L.) to Sell Fresh Ears in the Autumn

Seong-Hyu Shin¹,

Goo-Bok Jung²,

Mi‐Jung Kim³

et al.

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Cited by 5 publications

(1 citation statement)

References 10 publications

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“…The yield of 'Godangok1' in fresh ear weight in regional yield trials for three years. ('14~'16, RYT) …”

mentioning

confidence: 99%

‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content

Kim¹,

Lee

Son

et al. 2020

Korean J. Breed. Sci.

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Godangok1', a sweet corn hybrid obtained by crossing the inbred KSE13 (female) and KSE37 (male), was developed by the maize breeding team at the National Institute of Crop Science (NICS), Rural Development Administration, Korea, in 2016. 'Godangok1' has the sugary enhancer (se) gene, and the ear is yellow-white. The number of days to silking of 'Godangok1' was 59, similar to 'Danok3' (check variety), but ear length and the ratio of kernel set length to ear length (18.7 cm and 96%, respectively) were superior to those of 'Danok3'. The resistance to Bipolaris maydis, Exserohilum turcicum, and Ostrinia furnacalis was similar to that exhibited by 'Danok3', whereas the lodging tolerance was stronger than that of 'Danok3'. The fresh ear yield of 'Godangok1' was 6,530 ears, with 1,139 kg per 10a, and the sugar content was 20.8 °Brix. The hundred kernel weight was 27.4 g, smaller than that of 'Danok3'. The flavor was excellent and assigned a sensory score of 5.7. Unique properties of 'Godangok1' coded by the recessive se gene are eliminated due to crosspollination when growing along with other types of corn such as general corn (sh, sh2, bt, etc.). Therefore, it must be isolated in time or space and harvested in order to produce high-quality sweet corn (Registration No. 7506).

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“…The yield of 'Godangok1' in fresh ear weight in regional yield trials for three years. ('14~'16, RYT) …”

mentioning

confidence: 99%

‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content

Kim¹,

Lee

Son

et al. 2020

Korean J. Breed. Sci.

Self Cite

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Design and Experimental Study of Bionic Reverse Picking Header for Fresh Corn

Zhang

et al. 2022

Agriculture

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Influenced by the maturity and material properties, fresh corn has problems, such as low picking rate, high energy consumption and high damage rate during mechanized harvesting. For the above problems, a bionic reverse picking header was designed using the post-ripening morphology of corn and the hand-picking behavior as bionic prototypes. Model analysis and structural design of the key components of the header, including the reeling device, clamping device and picking device, were carried out. Based on the designed header prototype, single-factor tests and Box Behnken tests were conducted to explore the factors affecting the working performance of the picking header. The optimal structural parameters and working parameters were determined by response surface method. The results showed that with the increase in the clamping picking device speed and the stalk feeding speed, the picking rate first increased and then decreased. The interaction between feeding speed and cutter position had the most significant effect on the picking rate. The unique reverse picking mechanism and flexible device of the header could avoid collision and damage to the corn ears. The highest picking rate was achieved when the clamping picking device speed was 416.81 rpm, the stalk feeding speed was 1.13 m/s, and the cutter position was −5.45 cm.

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Experimental Study on the Peeling Fracture Effect of Fresh Corn Ear Based on High and Low Roller Peeling Equipment

Chen,

Zhang,

Jiang

et al. 2023

Agriculture

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Aiming to address the problems of low working efficiency and high damage rate of high and low roller peeling equipment in the process of fresh corn harvesting in China, this paper theoretically analyzes the mechanical motion process between the peeling device and the corn ear, and a high–low roll peeling structure is proposed. This structure incorporates elastomeric rubber material, a roller segmentation design, and an adjustable spiral frame, and the selection of relevant parameters is given. To determine the optimal operating parameters for the fresh-corn-peeling device, a three-factor, three-level orthogonal test was conducted using the Box–Behnken central grouping method in Design-Expert 12 software. The test factors were peeling roller speed, peeling roller tilt angle, and vibrating plate frequency. The evaluation indices considered were the bract peeling rate (BPR) and the grain breaking rate (GBR). Based on the theoretical analysis results, a test bench for the fresh-corn-ear-peeling device was established and the parameter combination for optimal peeling quality was determined according to the actual work situation. The results show that the impact on the BPR and GBR, from large to small, is in the following order: peeling roller speed, peeling roller tilt angle, and frequency vibration plate. The optimization module was used to optimize the operating parameters and used the following integers to obtain the optimal operating parameter combination: the peeling roller speed was 480 r·min−1; the peeling roller tilt angle was 8°; the vibrating plate frequency was 260 times·min−1; the corresponding BPR was 91.75%, which was 0.66% points lower than the optimal value; and the GBR was 1.55%, which was 0.08% points higher than the optimal value. Notably, this fresh-corn-peeling equipment exhibited superior performance in terms of peeling fracture results compared with standard peeling equipment. Therefore, this study provides valuable technical support for the optimal design and selection of fresh-corn-peeling equipment.

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Effect of Planting Dates on Growth and Yield of Late-planted Sweet Corn (Zea mays L.) to Sell Fresh Ears in the Autumn

Cited by 5 publications

References 10 publications

‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content

‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content

Design and Experimental Study of Bionic Reverse Picking Header for Fresh Corn

Experimental Study on the Peeling Fracture Effect of Fresh Corn Ear Based on High and Low Roller Peeling Equipment

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