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개화기의 고온과 식물생장조절제 처리에 의한 ‘신고’ 배의 유체과 발생
최장전(Jang Jeon Choi),최진호(Jin Ho Choi),한점화(Jeum Hwa Han),정상복(Sang Bouk Jeong),김월수(Wol-Soo Kim),이상현(Sang-Hyun Lee),김태춘(Tae-Choon Kim) 한국원예학회 2008 원예과학기술지 Vol.26 No.4
This study was carried out to investigate the effect of high temperature and plant growth regulator applications at flowering stage on the occurrence of calyx perpetual fruitlets in ‘Niitaka’ pear (Pyrus pyrifolia). Occurrence of calyx perpetual fruitlet in potted 7-year-old tree was 70.3% in the treatment of 18℃ and 100% in the treatment of 28℃ for 9 days from full bloom stage. However, 5 days treatment of 18 and 28℃ from petal fall stage showed low occurrence of 0.0 and 6.7%, respectively. In field grown 15-year-old tree, by treating NAA 25 ㎎ L<SUP>-1</SUP>, GA₄ 50 ㎎ L<SUP>-1</SUP>, Fulmet 10 ㎎ L<SUP>-1</SUP>, and BA 25 ㎎ L<SUP>-1</SUP> at full bloom stage, occurrence of calyx perpetual fruitlet was produced 97.7, 63.8, 48.9 and 18.2%, respectively. Fruit weight was highly increased by treating BA 25 ㎎ L<SUP>-1</SUP> and GA4 50 ㎎ L<SUP>-1</SUP>, and L/D ratio was high at Fulmet 10 ㎎ L<SUP>-1</SUP>. Our results indicate that high temperature and increase of endogenous auxins at full bloom stage induce calyx perpetual fruitlet.
‘신고’ 배의 화아 형태가 체와부돌출과 발생에 미치는 영향
최장전(Jang Jeon Choi),한점화(Jeom-Hwa Han),최진호(Jin-Ho Choi),홍경희(Kyung-Hy Hong),정상복(Sang-Book Jeong),김월수(Wol-Soo Kim),이상현(Sang-Hyun Lee) 한국원예학회 2007 원예과학기술지 Vol.25 No.2
This study was carried out to inquire the factor related to the development of calyx perpetual fruit, which made fruit shape deformed and fruit quality worse, and to make a cultivation techniques inhibiting it. The changes of tree growth and the development of calyx perpetual fruit were investigated with spur flower types. In twin flower bud, which was heavier and bigger widely, calyx perpetual fruit production was higher than in single flower bud. Especially, calyx perpetual fruit production was more severe in fruits set on sub-flower cluster of twin flower bud. In mineral contents of flower bud, twin flower bud showed higher nitrogen content and lower phosphorous, potassium, calcium content than single flower bud. IAA, t-zeatin and ABA contents in bud from 110 to 7 days after full bloom were higher in twin flower bud than single flower bud. IAA content was increased, t-zeatin content was constant, and ABA content was decreased up to full bloom in both buds. Consequently, the change and difference of plant hormone affects on budding, flowering, further more calyx perpetual fruitlet production.
최장전 ( Jang Jeon Choi ),임순희 ( Sun Hee Yim ),최진호 ( Jin Ho Choi ),박장현 ( Jang Hyun Park ),남승희 ( Seung Hee Nam ),이한찬 ( Han Chan Lee ) 한국식품저장유통학회(구 한국농산물저장유통학회) 2013 한국식품저장유통학회지 Vol.20 No.2
국내 육성 배 신품종과 신고 품종의 부위별 생리활성을 확인하고자 총 폴리페놀 화합물 및 총 플라보노이드 함량과 전자공여능, 아질산염 소거능 등 항산화 활성을 비교하였다. 총 폴리페놀 함량은 품종별로는 추황배와 한아름이 다른 품종에 비해 높았으며, 과피, 과육, 과심이 각각 178~235, 95~113, 177~229 mg/100 g으로, 과피>과심>과육의 순으로 높아 부위별로 차이가 있었다. 총 플라보노이드 함량은 품종별로 추황배와 감천배가 높았으며, 과피, 과육, 과심이 각각 29.2~40.2, 24.3~34.3, 26.9~38.8 mg/100 g으로 과피가 과육과 과심에 비해 높았다. 전자공여능은 품종별로는 추황배와 감천배가, 부위별로는 과육(7.6~17.7%)이나 과심 (29.1~38.2%)보다 과피(29.7~57.7%)에서 더 높은 소거능을 보였다. 아질산소거능은 추황배와 한아름이 18.0, 17.9%로 가장 높았으며, 부위별로는 과피(21.0~49.8%)>과심(11.8~16.2%)>과육(7.8~9.7%)의 순으로 높았으며, 특히 과피의 항산화활성이 우수하였다. This study was performed to confirm physiological activities according to pails of new pear cultivars (Gamcheonbae, Manpungbae, Chuwhangbae, Hanareum) and Niitaka pear. The total polyphenol compound contents of pear peel, flesh and cow west 178~235, 95-113, 177~229 mg/100 g as tannic acid equivalent respectively. There west differences in the contents by cultivars, Chuwhangbae and Hanareum cultivars showed high contents. The total flavonoid contents of the pear peel, flesh and cow were 29.2-40.2, 24.3~34.3, 26.9-38.8 mg/100 g, respectively and those of Chuwhangbae and Gamcheonbae cultivars showed comparatively high values. 11w election-donating ability was high in Chuwhangbae, Gamcheonbae and in the pear peel (29.7~57.7%), core (29.1~38.2%), flesh (7.6~17.7%), in that order; The nitrate scavenging activity was highest in that pear peel (21.0-49.8%), followed by the cow (11.8~16.2%) and flesh (7.8~9.7%), but Elicit was little difference by cultivar.