多數ㆍ多蘖性 옥수수 硏究 Ⅶ. 分蘖型 옥수수 交雜種의 倒伏 關聯 形質

• 영문명: Studies on maize with multiple ears and tillers(MET) Ⅶ. Characters associated with lodging in tillering hybrid maize
• 발행기관: 한국육종학회
• 저자명: Hee Bong Lee(李喜鳳) Bong Ho Choe(崔鳳鎬) Won Koo Lee(李元九) Man Ki Baek(白萬基) Hee Chung Ji(池熹正)
• 간행물 정보: 『한국육종학회지』Vol.25 No.1, 22~27쪽, 전체 6쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1993.03.30

영문 초록

This experiment was carried out to estimate the degree of stalk lodging of hybrid maize with multi-tillers and to obtain the basic information for the development of lodging- resistant hybrids with tillers. The materials used were composed of five tillering hybrids and one non-tillering hybrid P3160. P3160 was used as check hybrid. Plant and ear height of the hybrids with tillers were higher than those of P3160 hybrid, especially under the high plant density compared to low plant density. But length, diameter and dry matter of the 3rd internode and crushing strength of tillering hybrids were simlar to those of P3160. Rind thickness of tillering hybrids was significantly higher than that of P3160. In variance analysis all of these characters were significantly different among hybrids. But crushing strength and lodging showed significant interaction between hybrids and plant densities. Correlation coefficients between 3rd internode length and lodging were positively significant regardless of plant densities. Diameter and dry matter of the 3rd internode, ear weigth of main stem, rind thickness and crushing strength were negatively correlated with lodging regardless of plant densities. Correlation coefficients for hybrids with tillers were positively significant among characters including 3rd internode length and lodging, but plant and ear heigths appeared to be not associated with lodging.

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키워드

Maize with multiple ears and tillers Lodging Tillers Crushing strength Rind thickenss