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s/4·d/2、s/3·d/2和s/2·d/2三种割制对胶树乳管的蔗糖供应和转化方面的影响基本相同;s/1·d/2全螺旋隔日割制胶乳的蔗糖含量较低,而还原糖含量较高,表明乳管的蔗糖供应不足和己糖代谢缓慢。乙烯利刺激对无性系PR107胶乳糖分的影响主要取决于割线长度,其糖分增加程度随乙烯利剂量而导,采用短割线s/4·d/2割制+乙烯利对改善胶树供应乳管的蔗糖效应最好。长期用s/2·d/2+25毫克CEPA割胶,乳管蔗糖供应日趋不足。
The effects of s / 4 · d / 2, s / 3 · d / 2 and s / 2 · d / 2 on the sucrose supply and transformation of gum tube were basically the same; s / 1 · d / 2 The full-sprocket cut-off latex had lower sucrose content and higher reducing sugar content, indicating insufficient supply of sucrose in the milk tube and slow metabolism of hexose. The effect of ethephon stimulation on the sugar content of cloned PR107 clones depends mainly on the length of the secant. The degree of sugars increased with the ethephon dose. The use of the short cut s / 4 · d / 2 cut + ethephon improved the gum supply Duct of the best sucrose effect. Long-term with s / 2 · d / 2 +25 mg CEPA tapping, the supply of sucrose milk increasingly inadequate.