复合氯酸钾对龙眼叶片营养元素含量及成花的影响

Effects of complex potassium chlorate on nutrient content of longan leaf and flower bud formation

从营养生理的角度研究了复合氯酸钾对龙眼叶片营养元素含量和成花的影响,以大乌圆、石硖两个品种为供试材料,用不同量的复合氯酸钾对其进行处理。通过测定叶片中N、P、K、Ca含量的变化并进行物候观察,结果表明:石硖品种处理与对照相比较,N、P、Ca含量在花芽分化前有一个低水平,K与花芽分化没有关系。复合氯酸钾的反季促花效果与品种有关,石硖效果较好,而大乌圆效果差。

The influence of complex potassium chlorate on the flowering and bearing of two longan varieties, i.e.Dawuyuan, Shixia longan was investigated in nutritive physiology.Different amounts of complex potassium chlorate were applied in the root soil.The major agronomical characters were investigated.The main results were as follows: For Shixia variety, which flowered in the experiment,there was a period of low content of N,P and Ca before flower bud differentiation.K did not show a correlation to the flower bud differentiation.In the experiment,the influence of complex potassium chlorate on the flowering and bearing of Shixia variety was much more great than that of Dawuyuan variety.