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首页> 外文会议>Proceedings of the international conference on germplasm of ornamentals >High Semi-Lethal Temperature and Heat Tolerance of Tea Chrysanthemum
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High Semi-Lethal Temperature and Heat Tolerance of Tea Chrysanthemum

机译：茶菊花的高半致死温度和耐热性

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High semi-lethal temperature and heat tolerance of seedlings of four tea chrysanthemum cultivars from tissue culture and field, respectively, were investigated using electrical conductivity method.There was a sigmoid function between the rate of injured leaf cells and treatment temperature after the leaves had been treated by gradient high temperature from 25 to 70℃ with 5℃ interval.The logistic equation was used to determine the semi-lethal temperature LT50 (℃) for tea chrysanthemum cuitivars to determine the inflexion point of the curve.The semi-lethal temperature of tea chrysanthemum seedlings cultivated in field was 57.39, 51.83, 55.67 and 57.00℃ for C.morifolium 'Hangbaiju', C.indicum var.aromaticum, C.morifolium 'Boju', and C.norifolium 'Gongju', respectively.The semi-lethal temperature of tea chrysanthemum seedlings of tissue culture was 47.83,44.37, 46.09 and 47.57℃ for 'Hangbaiju', C.indicum var.aromaticum, 'Boju', and 'Gongju', respectively.The heat tolerance of four cultivars of tea chrysanthemum from tissue culture and field respectively was in the same descending order:'Hangbaiju', 'Gongju', 'Boju', and C.indicum var.aromaticum.This research provides basis for introducing and obtaining the heat-tolerant somacional variations of tea chrysanthemum.
机译：采用电导率法研究了四种茶菊花品种的组织培养和田间幼苗的高半致死温度和耐热性，叶片损伤后的叶片细胞率与处理温度之间存在乙状函数。在25至70℃的梯度高温下间隔5℃处理。用logistic方程确定茶菊花半致死温度LT50（℃），以确定曲线的拐点。在田间栽培的菊花茶苗分别为“白白菊”，“香菇”，“白菊”，“白菊”，“白菊”，“贡菊”，分别为57.39、51.83、55.67和57.00℃。组培茶菊花苗的致死温度分别为'Hangbaiju'，'C.indicum var.aromaticum'，'Boju'和'Gongju'分别为47.83、44.37、46.09和47.57℃。四种品种的耐热性来自组织培养和田间的菊花茶的降序顺序相同：'Hangbaiju'，'Gongju'，'Boju'和C.indicum var.aromaticum。该研究为引入和获得耐热的豆腐渣提供了基础。菊花茶的变化。

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