콩 雄性不稔集團에 있어서 花粉媒介忠 총채벌레의 發生消長과 選好性 關聯 形質

• 영문명: Seasonal occurrence and preference traits of thrips(podothrips graminum), pollinator, in genetic male-sterile population of soybeans
• 발행기관: 한국육종학회
• 저자명: Mi Young Rho(盧美英) Young Hyun Hwang(黃永鉉)
• 간행물 정보: 『한국육종학회지』Vol.25 No.3, 172~178쪽, 전체 7쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1993.09.30

영문 초록

This study was conducted to be prepared for the commercial production of hybrid(F₁) soybean seeds by either developing the practical cytoplasmic male-sterility or gametocides. Number of pods of male-strile plant were about a half of those of fertile plant, 40 pods per plant, equivalent to 800㎏ of seed yield per hectare. The inhabitaiton density of thrips(Podothrips graminum) which was the only insect that inhabited in the flower was the highest from the end of July to the early of August in Taegu area and decreased thereafter. So it is inferred that the flowering of male sterile population for hybrid seed production should be adjusted to this period. Mean number of thrip per flower showed no significant difference between the fertile and the male-sterile plants in the male-sterile population, but a great deal of varietal differnece in the number of thrips was found ; the higest inhabitatiion density was found in Jangkyungkong, Hwangkeumkong and Jangyeobkong and followed by Williams, Williams 79, L71-9120, Union and L62-5366. Soybean varieties showed the lowest inhabitation density were Jangbaekkong, Baegunkong, Paldalkong and Baekcheon. No preferencial difference in the inhabitation density of thrips for the growth habits, flower color and nectar contents of soybeans was seen but high positive correlation was recognized between the 100 seed weight or flower size and the inhabitation densety. Therefore, it is advisable to develop the malesterile population towards having plants of large seeded and to use large seeded pollen parent, at the same time, when hybrid seeds are produced.

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키워드

Thrips Pollinator Genetic male-sterile Soybean Preference