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|標題:||Effects of Seedling Ages and Low Temperature Treatments on Growth and Yields in Tomatoes (Lycopersicon esculentum Mill.)|
Low temperature treatments
Two tomato cultivars, Taichung Asian No.4 and Know-you 301, were tested in the experiment. Seedlings were treated in 20/12℃ for 10 and 5days before transplanted. Taichung Asian No.4 was higher or larger in node of first inflorescence, fruit set percentage, node height of each inflorescence, number of flower, fruit set number, and number of fruit harvest during the different harvest period. Known –you 301was higher in mean weight of single fruit. There was early yield, and node number bearing the 2ed to the 5th inflorescence. Flower numbers and fruit setting number of first inflorescence decreased as age of seedlings increased from 4 to 6week. Node number and height of each inflorescence increased as age of seedling increased. However, no significant different was found in fruit setting rate, flower number and fruit setting number after the 2ed inflorescence, yield of different harvesting period, and single fruit weight between these two cultivars. After seedling were treated with low temperature, days to flowering and to the first harvest were significantly delayed with no affection on average single fruit weight. Fruit harvested number od early yield decreased as day of low temperature treatment increased. Aside from the first inflorescence, node number of each inflorescence on plants treated with low temperature were significantly lower than that of untreated control set.
|Appears in Collections:||第23卷 第02期|
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