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The Effect of Plant Density and Trusses on Tomato Yields, Fruit Quality and Harvested Duration
|關鍵字:||Tomato;番茄;Plant density;Trusses;栽培密度;留花序數||Project:||興大園藝, Volume 25, Issue 3, Page(s) 55-66.
Horticulture NCHU, Volume 26, Issue 1, Page(s) 55-66.
Experiment were conducted to study the effect of planting density and truss numbers on fruit yield and harvesting period of tomato 'Hualien AVRDC No.5'. Four planting density (12.5, 11, 6.2, and 3.7 plants/m2) with two to five trusses per plant were scheduled for the first trail and two planting densities (12.5 and 11 plant/m2) with one to four trusses per plant for the second planting. Seedling were transplanted on June 2, 1999 for the first trail and on April 18, 2000 for the second trail. Results indicates that, both total fruit yield and marketable fruit yield per squaremeter increased as plant density and truss keeping number increased. However, the fruit size and percentage of marketable fruit yield decreased. Both fruit thinning and decreasing the truss number per plant both could increase the average fruit weight and percentage of marketable fruit. According to the data, plant density at 12.5 and 11.0 plants per squaremeter with five trusses per plant and plant density at 11.0 plants per aquare meter with four trusses per plant could have higher total fruit yields, marketable yield and early fruit yields per unit area. Compared to common cultural method of 3.7 plant per square meter and five trusses per plant, tomato at plant density of 12.5 and 11.0 plant per squaremeter and with two trusses per plant could obtained higher early fruit yield and shorter harvested duration, but no effect on total fruit yields and marketable fruit yields.
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