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|標題:||穴格大小與苗齡對洋蔥 F1 Hybrid Granex 429 品種生育之影響|
Effects of Plug Size and Seedling Age on Growth and Development Onion (Allium cepa L.) cv. F1 Hybrid Granex 429.
|摘要:||洋蔥 (Allium cepa L.) F1 Hybrid Granex 429品種，不同穴格
率、分球率上，55 及65天苗齡間已差異不顯著；而 128、200、 288 格
低下之外，皆差異不顯著。在經濟效益的考量下，以採用 200格 55天苗
Onion (Allium cepa L.) cv. F1 Hybrid Granex 429 was used in this experiment, with seedlings raised in three types of plug tray of size 128, 200 and 288 cells in combination withedlings of age 35, 45, 55 and 65 days, respectively. Expe- riments were conducted in two separate years with seedlingsansplanted into the field at two different dates, namely October 15th and November 1st of both 1991 and 1992. Seedlings of age 55 and 65 days showed larger size at transplanting, and performed better than the controls (45-day old seedlings raised in open field) in respect of yield, early maturity and large bulb percentage. As in 1992, 55 and 65-day old seedlings of the two transplanting dates reached a mean yield of 25,850 kg/ha and 11,050 kg/ha higher than controls, respec- tively. The results of 1992 indicated that 55 and 65-day old seed- lings were non- significantly different as regards yield, earlyturity, large bulb percentage and split bulb percentage. On the other hand, there was not any significant difference bet- ween plug sizes except for 128 cells which obviously maturedrlier, and 288 cells which produced lower yield when trans- planted at October 15th. The combination of 288 cells andedling age of 55 days is recommended for onion production.
|Appears in Collections:||園藝學系|
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