Effects of Light Spectral Energy Distribution on Growth of Ilex chinensis Sims Plantlets in Vitro Efrects of different methods on growth of plantlets and microtuber induction in potato A study of paclobutrazol(PP333)on conservation of sweet potato germplasm in vitro at normal temperature Effects of Light Spectral Energy Distribution on Growth of Ilex chinensis Sims Plantlets in Vitro Effects of inositol and silver nitrate on the shoots proliferation of Jojoba cultured in vitro