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以红果形番茄品种“佳丽14”为试材,在质量比为2∶1∶1的草炭、蛭石、珍珠岩混合基质条件下,研究了2.5、2.7、2.9、4.2株/m2不同种植密度对番茄植株长势、物候期、果实品质及产量的影响,以期为筛选适宜日光温室无土栽培的番茄种植密度。结果表明:同等灌溉条件下,2∶1∶1混合基质上2.5~4.2株/m2栽培密度处理单位面积产量无显著差异,但随着密度的增加,单株平均每穗果坐果数减少,果径减小,灰霉病发病率增加,物候期推迟,维生素C含量降低。北京地区日光温室采用质量比为2∶1∶1的草炭、蛭石、珍珠岩混合基质栽培番茄适宜的密度为2.7~2.9株/m2。
Taking the red tomato variety “Belle 14” as the test material, under the mixed substrate of peat, vermiculite and perlite with the mass ratio of 2: 1: 1, the differences of 2.5, 2.7, 2.9 and 4.2 strains / Planting Density on Plant Growth, Phenology, Fruit Quality and Yield of Tomato in order to screen the suitable planting density of tomato in soilless culture in greenhouse. The results showed that under the same irrigation conditions, the yield per unit area of 2.5-2.2 plants / m2 on the 2: 1: 1 mixed medium was not significantly different under the same irrigation condition, but with the increase of density, Reduced diameter, increased incidence of botrytis, delayed phenology, decreased vitamin C content. In Beijing greenhouse, the appropriate density of 2.7-2.9 plants / m 2 for tomato cultivated in mixed media of peat, vermiculite and perlite was 2:1:1.