http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
GA₃와 Thidiazuron 처리가 ‘거봉’ 포도의 무핵화와 과실품질에 미치는 영향
이별하나(ByulHaNa Lee),권용희(YongHee Kwon),박요섭(YoSup Park),박희승(Hee-Seung Park) 한국원예학회 2013 원예과학기술지 Vol.31 No.2
This experiment was conducted to find the effects of a GA₃ and thidiazuron (TDZ) on seedless rate, harvest time, fruit cracking and fruit quality in ‘Kyoho’ grapes over two years from 2008 to 2009. In 2008, fruit clusters were dip treated with GA₃ 25.0 ㎎ㆍL?¹ twice at full bloom (FB) and 14 days after full bloom (DAFB) in a combination with TDZ 0 or 2.5 ㎎ㆍL?¹. Berry seedless rate and berry enlargement were slightly improved only when TDZ was added to the second GA₃ treatment at 14 DAFB, compared to GA₃ + TDZ treatments at both FB and 14 DAFB. However, berry cracking rate was significantly increased by any plant growth regulator (PGR) treatments compared to non treatment. In 2009, GA₃ at 12.5 ㎎ㆍL?¹ and 25.0 ㎎ㆍL?¹ was dip treated twice at FB and 14 DAFB while TDZ 2.5 ㎎ㆍL?¹ was treated only at 14 DAFB. Berry cracking rate was depended on the concentration of GA₃ applied. The higher concentration at 25.0 ㎎ㆍL?¹ significantly increased berry cracking rate while the lower concentration at 12.5 ㎎ㆍL?¹ had no effect. Also, the addition of TDZ to GA₃ 25.0 ㎎ㆍL?¹ at 14 DAFB, substantially decreased the cracking rate to the level of untreated control. Although all PGR treatments advanced fruit maturity, the most significant advance occurred when TDZ was added to GA₃ 12.5 ㎎ㆍL?¹ only at the second dip. Considering the overall aspects related to fruit maturity and quality, we concluded that the double applications of 12.5 ㎎ㆍL?¹ GA₃ at FB and 14 DAFB with addition of 2.5 ㎎ㆍL?¹ TDZ only at 14 DAFB was appropriate to produce about 400-500g size of seedless ‘Kyoho’ grape cluster having 35-40 berries.