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黔林核5號

發布時間:2017-05-23      文字、圖片來源:      點擊率:14658

        黔林核5號
        樹種:核桃
        學名:Juglans  regia  “Qianlinhe5”
        良種編號:黔R-SC-JS-011-2016
        為核桃(J. regia)早實薄殼類型實生繁殖優良單株,樹勢強,樹姿直立,分枝力中等,側生混合芽比率65%。復葉長20~40cm,小葉5~9片,闊卵形。每雌花序多著生3朵雌花,坐果率75%左右。雄先型,雄花數量中等。威寧3月下旬發芽,4月下旬雌花盛期,4月中旬雄花散粉。9月中下旬堅果成熟,11月中旬落葉。果柄較粗,長2cm。青果皮淡綠色,有黃色茸毛??购?、抗寒及抗病性強。
        為早實薄殼類型,播種繁殖后當年可見開花掛果植株,嫁接繁殖多數植株開花掛果。堅果長圓形,殼紋淺近光滑;縱、橫、側徑分別為3.3cm、3.08cm、3.26cm,三徑平均值為3.21 cm,平均單果重10.7g。種殼薄,殼厚0.8mm。內褶壁退化,橫膈膜膜質,可取整仁。核仁飽滿,顏色淺黃色,出仁率56%。核仁含油率69%,味香甜而不澀。豐產性較好,大小年不明顯。該優系堅果品質優良、豐產,抗逆性強。核仁含油率高達69%,食味香甜而不澀,口感較較好。評選優株母樹,冠幅產仁量為0.56 kg.m-2,出仁率56%。
        適宜干涼氣候,最宜在黔西北海拔1300m以上地區種植。不宜在氣候溫和的地方栽植,病蟲害嚴重。


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