The appearances of growth and yield according to the cultivation types were investigated in chalok 1. The days to harvest under double vinyl house, open mulching and open cultivation were 87.7, 95.8, and 101.8 days, respectively and significantly different in each cultivation types. The branched ear...
The appearances of growth and yield according to the cultivation types were investigated in chalok 1. The days to harvest under double vinyl house, open mulching and open cultivation were 87.7, 95.8, and 101.8 days, respectively and significantly different in each cultivation types. The branched ears of open mulching, double vinyl house and open cultivation were started at 7,8, and 13 days after silking, respectively. The frequency of branched ear per total plants to double vinyl house, open cultivation and open mulching were 10%, 13%, and 19%, respectively. The ear weight of open mulching and open cultivation was superior to branched ear weight. The yields (kg/10a) of double vinyl house, open mulching and open cultivation were 755.7kg, 740.7kg, and 530.0kg, respectively. The yields(kg/10a) of double vinyl house and open mulching were significantly different to that of open cultivation and LSD(5%) was 133.42. Thus, early cultivations in double vinyl house were more beneficial than other cultivation types because of the highest yield and the lowest branched ear.
The appearances of growth and yield according to the cultivation types were investigated in chalok 1. The days to harvest under double vinyl house, open mulching and open cultivation were 87.7, 95.8, and 101.8 days, respectively and significantly different in each cultivation types. The branched ears of open mulching, double vinyl house and open cultivation were started at 7,8, and 13 days after silking, respectively. The frequency of branched ear per total plants to double vinyl house, open cultivation and open mulching were 10%, 13%, and 19%, respectively. The ear weight of open mulching and open cultivation was superior to branched ear weight. The yields (kg/10a) of double vinyl house, open mulching and open cultivation were 755.7kg, 740.7kg, and 530.0kg, respectively. The yields(kg/10a) of double vinyl house and open mulching were significantly different to that of open cultivation and LSD(5%) was 133.42. Thus, early cultivations in double vinyl house were more beneficial than other cultivation types because of the highest yield and the lowest branched ear.
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문제 정의
This study was carried out for the investigation of growth and yield according to double vinyl house, open mulching and open field cultivation in Chalok 1.
제안 방법
0 kg per 10a and irrigated fortnightly for 30 min. The investigations on growth patterns of three cultivation types were based on days to tassel and silk; length, width and weight of ear. The patterns and degrees of appearance of branched ear and yields were also investigated.
This study was carried out for the aspects of growth and yield during the cultivation of the double vinyl house, the open mulching, and the open field in chalok 1. The investigations of growth and yield according to the three cultivation types were also shown as follows.
This study was carried out to examine the Chalok 1 according to the cultivation types, that is, under double vinyl house, open mulching and open field cultivation, which served as control. The period of planting to the early cultivation under double vinyl house was at 8 Mar, seeded in small plastic pots and transplanting time was 18 Mar, 2002, plant spacing was 60x25 cm which was a stand 6, 600 plants per 10a.
성능/효과
93 but not significantly different at the 5% level by DMRT. In this results, the total mean values of ear weight were slightly higher than branched ear weight in cultivation types and which was not affected the marketable ears.
8 days, respectively and were significantly different with each cultivation type. The coefficient of variation(CV) and the F values of days to harvest in the three cultivation types were 19.67(%) and 548.56 (Table 1 and 2). Kim et al, (1972) found that days to silk in early planting without tunnel or mulching was longer than early seed planted in tunnel and in mulching.
The appearances of branched ear were starting after 7, 8 and 13 days of silking in open mulching, double vinyl house and open field cultivation, respectively. The high scores of branched ear were 10 days after silking in open mulching, 9, 13, and 19 days after silking in double vinyl house and 16 and 17 days after silking in open culture. The appearances of branched ear were stopped 26 days after silking in three c니 1- tivation types mentioned above.
Which is resulted from the difference of cultivation types. The total mean values of ear weight and branched ear weight were 144 g and 138 g and the least significant differences to each cultivation types were 16.93 but not significantly different at the 5% level by DMRT. In this results, the total mean values of ear weight were slightly higher than branched ear weight in cultivation types and which was not affected the marketable ears.
참고문헌 (8)
Cha, S. W. and H. G. Moon. 2000. Cultivation of Maize. Nongmin Moonhwa-Sa, pp. 183
Cha, S. W., S. U. Park, S. L. Kim, T. W. Lung, K. J. Choi, H. G. Moon, B. H. Choi, K. C. Kwon, M. S. Chin, S. D. Kim, K. Y. Park and Y. S. Kim. 1995. A good quality and lodging resistant waxy corn hybrid Chalok 2. RDA. J. Agri. Sci. 37(2) : 144-148
Jung, T. W., H. G. Moon, S. W. Cha, S. L. Kim, S. K. Kim, and B. Y. Son. 2001. Comparison of grain quality characteristics in waxy com hybrids with a white and a black colored pericarp. Korean J. Breed. 33(1) : 40-44
Kim, H. G., H. B. Kim and S. M. Chung. 1972. Effect of early planting on yields and earliness of com. Korean J. Breed. 4(1) : 1-4
Kim, S. L., S. U. Park, S. W. Cha, J. H. Seo and T. W. Jung. 1994. Changes of major quality characters during grain filling in waxy com and super sweet corn. Korean J. Crop Sci. 39(1) : 73-78
Lee, W. K. and B. H. Choe. 1995. Characteristics and combining ability of Korean local waxy maize inbreds and hybrids. Korean J. Crop Sci. 40(2): 175-184
Park, S. U, K. Y. Park, S. W. Cha, Y. H. Son, R. K. Park, S. H. Song, J. K. Hong, and U. H. Kim. 1992. A new early maturing and high quality single cross waxy com hybrid Chalok 1. Res. Rept. RDA(U & 1).34(1) : 61-64
Yun,J. T, S. U. Park, S. Y. Lee, S. H. Song, H. G. Moon, and K. H. Kim. 1999. Grain filling characteristics of waxy com hybrids at different planting dates. Korean J. Breed. 31(1) : 7-13
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