鲁果4号是从新疆早实核桃实生后代中选出的核桃大果新品种。果实长圆形,绿色,茸毛短而细,青皮厚0.45cm;坚果柱形,坚果平均单果重17.5g,最大单果重为26.2g;果顶圆,果基平,果肩凸起明显,壳面较光滑,不易开裂,壳厚1.1mm;内褶壁膜质,纵隔不发达,内种皮色泽浅;仁重9.65g,核仁饱满,黄色,香味浓;出仁率55.21%,脂肪含量63.91%,蛋白质含量22.00%;多坐双果和三果,果实细菌性黑斑病和炭疽病烂果率仅3%;在山东省泰安市,果实9月上旬成熟。2007年12月通过山东省林木良种审定委员会审定。 Lu Guo 4 is from Xinjiang early fruiting walnut seedlings selected from the new varieties of walnut fruit. Fruit oblong, green, velvet short and thin, green skin thickness 0.45cm; nut columnar, nuts average weight 17.5g, the largest single fruit weight 26.2g; fruit top circle, fruit-based flat, Smooth surface, smooth, easy to crack, shell thickness 1.1mm; inner fold wall membranous, mediastinal underdeveloped, inner seed skin lightest; kernel weight 9.65g, kernels full, yellow, fragrant; kernel rate of 55.21%, fat content 63.91% protein content of 22.00%; sit Shuangguo and three fruit, bacterial black spot disease and anthracnose rotten fruit rate of only 3%; in Tai’an City, Shandong Province, the fruit mature in early September. In December 2007, it was approved by Shandong Province Forest Tree Species Approval Committee.