滇中地区香椿萌芽特性和设施内采摘技术研究

Study on Germination Characteristics of Toona sinensis and Technology of Picking in Greenhouses in the middle of Yunnan Province

以滇中地区2年生香椿为材料,研究定干高度、环境条件各单因素对香椿萌芽特性的影响,并采用双因素方差分析法研究采摘频率、采摘嫩芽长对香椿产量的影响。结果表明:同一环境条件(温室大棚),定干高度为80 cm的香椿总的萌芽数约为60 cm定干的1.5倍;同一定干高度(80 cm)下,温室大棚内香椿总的萌芽数约为露地的1.8倍,且温室大棚内香椿产量高、嫩芽抽生周期短。在香椿设施采摘技术研究中,定干高度70 cm和80 cm对香椿产量的影响不显著,采摘频率对香椿产量的影响极显著;其中每20 d采摘1次的香椿产量最高,芽长15 cm时采摘的产量较芽长10 cm时采摘的产量高,但采摘频率和采摘嫩芽长的交互作用不显著。

In order to promote the development of Toona sinensis industry of Yunnan province, two years Toona sinensis were used as materials in the middle of Yunnan province to study the effect of truncation heights, environmental conditions on the germination characteristics and the effect of picking frequencies, picking burgeon lengths on the yield of Toona sinensis by using two-way analysis of variance. The results were as follows： in the same environment （greenhouse）, the total bud numbers of 80 cm truncation height is about 1.5 times as many as 60 cm truncation height. In the same truncation height （80 em）, the total bud numbers in the greenhouse is about 1.8 times as many as the outdoor. What＇s more, compared with the outdoor, the yield was high and the buds mature cycle is short. In the technology of picking Toona sinensis in Greenhouses, the effect of 70 cm and 80 cm truncation heights on the yield of Toona sinensis was not significant. The effect of picking frequencies on the yield of Toona sinensis was extremely significant. Which picking every 20 days, the yield is highest. And when picking 15 cm burgeon length, the yield is higher. However, the interaction of picking frequencies and picking burgeon lengths is not significant.