雨雪冰冻事件是影响中国南方地区农林业生产的主要气象灾害之一.本研究基于负积温与气温低于0℃的降水量与实际观测的冰雪冻害发生频次之间相关关系分析基础上,确定影响江西省森林冰冻灾害的主要气象因子,并采用模糊数学的方法,计算森林冰冻灾害风险评估因子.同时,应用Morlet小波分析和Mann-Kendall突变分析方法,分析江西省森林冰冻灾害风险的年际变化规律.基于负积温与最低气温低于0℃的当日降水量的平均隶属度、纬度和海拔的相关关系,构建了江西森林冰冻灾害风险区划地理函数,利用ArcGIS空间分析工具,采用自然断点法对风险等级进行区划.结果表明,1955-2018年,江西省冰冻灾害发生次数总体呈现减少趋势,冰冻灾害发生与负积温和当日降水量密切相关,利用负积温与低于0℃的降水量的平均隶属度可以有效地评估森林冰冻灾害风险;江西省森林冰冻灾害风险最为严重的区域主要位于武夷山脉、九岭山脉、罗霄山脉、雩山山脉以及庐山等平均海拔>1000 m的山区.该结论可为江西省森林资源管理提供科学依据.

The female parent, a self-bred line, was obtained from a variety by generations of self-breading and selection of the variation generated from the long bitter gourd variety of Guangdong. The male parent was a good self-bred line obtained from generations of self-breeding and selection of the big conical bitter gourd of Japan. New bitter gourd variety ‘ Xiongyuechanglv’ is a hybrid seed variety developed by crossing the female parent with the male. It has the following significant features: early maturity, high yield, strong resistance to disease and good quality. It’s suitable for growing in both open and protected field in the Northern China. The variety, namely‘ Xiongyuechanglv’ , passed the cognizance in August 13, 2011 in Liaoning province. It is the first independent selected new F1-hybrid bitter gourd with in Liaoning province which can be used in cultivation.

全面提高高职学生的综合素质已成为当前高职院校学生工作的主要议题。高职班主任应充分利用"主题班会"这一有效载体,通过使学生充分参与班会的组织策划、准备实施和总结评价等形式,培养和锻炼学生的能力,使学生的综合素质在就读期间得到较大的提高。

F05-3苦瓜是以广东农家品种"长身苦瓜"变异株系选育的自交系为母本;以日本的大白圆锥苦瓜选育的自交系为父本。配制的一代杂交组合,具有极早熟、产量高、抗病性强、商品性状好以及适应我国北方地区保护地栽培等特点。

F05-3苦瓜是以广东农家品种"长身苦瓜"变异株系选育的自交系为母本;以日本的大白圆锥苦瓜选育的自交系为父本.配制的一代杂交组合,具有极早熟、产量高、抗病性强、商品性状好以及适应我国北方地区保护地栽培等特点.

The experiment selects eight home and abroad dwarf bean varieties,using dwarfbean varieties grown in the local(Kuan Jia bailian) as a control and analyzes the rate of emergence,plant properties,economy properties,output and quality and so on.The result shows: Di Youe Dou Wang has the obvious superiority in output and quality,which has higher extension value.Kuan-Jia Di you Dou Wang is better than the control in behavior,because it has few rude fibre and taste is fairly good.

<正>黄秋葵(Hibiscus esculentusL)别名秋葵、黄蜀葵、羊角豆等,为锦葵科秋葵属一年生草本植物,原产非洲,2000年前埃及已有栽培,我国明代《本草纲目》中已有记载。目前在欧洲、非洲、中东、印度及东南亚等热带地区广泛栽培。黄秋葵以肉质柔嫩、润滑的嫩荚

In order to study the effects of the three substances on the quality and early yield of cucumber in practice,combinations of cucoce(CCC),FA and Chintin and with three concentration levels were applied in this experiment to get strong cucumber seedlings.Cucumbershangdongmiciwas used in the experiment the main results found were as follows:the plant height was lowered.Stem diameter were increased,the seedling with treatments.The first female flower was lowered by 1~3 nodes.The number of fruit increased by 2~3 cucumbers.The total yield was increased by 20%~30% due to the increase of early yield.