从育种角度对选育和利用不同目的桑树品种的基本目标作了简要展望。
The basic objective of breeding end using different mulberry varieties is put forward from the breeding Angle.
结果说明家蚕品种对家蚕血淋巴阳离子变化的影响显著大于桑树品种或家蚕个体发育的影响。
The impact of race was significantly more than that of mulberry variety or ontogeny in upward changes in haemolymph cations.
UPGMA法聚类和PCA分析都清楚地显示了24个桑树选育品种的亲缘关系,聚类结果与桑树品种的系谱基本一致。
Both UPGMA cluster and PCA analysis showed clear genetic relationships between the 24 mulberry cultivars. The major clusters were related to known pedigree relationships.
对处于休眠期的八个品种桑树韧皮部的过氧化酶和酯酶同功酶作了分析,未发现抗病性与同功酶之间有相关性。
After the assay of the peroxidase and esterase isoenzymes in the phloem of eight mulberry varieties in rest stage, no relativity is found between the resistance and isoenzymes.
山东桑树地方品种春季产叶量高,叶质较好,抗逆性强,适应性较广。
The endemic mulberry varieties of Shandong have high leaf yield, better leaf, strong anti-adversity and wide adaptability.
通过人工有性杂交、单株选择、系统选择、区试鉴定,育成早生中熟桑树新品种农桑12号、农桑14号。
The early sprouting and mid maturing new mulberry varieties Nongsang 12 and Nongsang 14 were bred through hybridization, single plant selection, pedigree selection and regional test.
山东桑树地方品种春季产叶量高,叶质较好,抗逆性强,适应性较广。
The local varieties of shandong mulberry have high leaf yield in spring, better leaf quality, strong adversity resistance and extensive adaptability.
山东桑树地方品种春季产叶量高,叶质较好,抗逆性强,适应性较广。
The local varieties of shandong mulberry have high leaf yield in spring, better leaf quality, strong adversity resistance and extensive adaptability.
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