在红叶石楠组织培养基中设置不同的萘乙酸(NAA)和6-苄基腺膘呤(6-BA)的浓度组合,研究其对不定芽和不定根的诱导效果。
Different concentration combinations of NAA and 6-BA were setup in tissue culture media to study inducing effects of sprouts and roots of photinia fraseri.
胡克建议海军部在山顶植树,在山谷种荆棘、芦荟和石楠;在山坡低处让金合欢树、木麻黄和桉树扎下根来。
Hooker advised the Admiralty to plant trees over the top of the mountain, encourage brambles, aloes and briar rose in the ravines and establish acacia, casuarina and eucalyptus on the lower slopes.
胡克建议海军部在山顶植树,在山谷种荆棘、芦荟和石楠;在山坡低处让金合欢树、木麻黄和桉树扎下根来。
Hooker advised the Admiralty to plant trees over the top of the mountain, encourage brambles, aloes and briar rose in the ravines and establish acacia, casuarina and eucalyptus on the lower slopes.
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