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1.本文阐述茶树不同成熟度的枝条和留叶量对扦插发根与生长的影响,探讨其在育苗上应用的价值。2.茶树的新梢由上而下,表皮从绿色依次成红棕色而至麻杆,成熟化程度亦逐渐加深,生长势随之递减,与枝条上不同部位的芽的解剖结构表现相一致。绿色巳硬化枝,愈合、发根最快、地下部与地上部生长均甚良好。依次为红棕色枝和麻杆。绿色硬枝和红棕色技易于育成壮苗,应优先选用这段枝条作为插穗。麻秆虽出圃率略低,也能育成壮苗,一般亦可采用。3.未木质化绿色软枝,在大田扦插亦能成活,不过成活率低。如能在发根前加强水分管理,发根后加强肥培管理,可望提高成活率和育成壮苗。在穗源不足的情况下,这段枝条可以适当采用。4.多叶插发根速度与一叶插相似,但根群发达,地上部生长良好,是培育壮苗的一个途径。由于枝条利用不经济,影响繁殖系数。在穗源充足的情况下,可以考虑采用2—3叶插。
1. This article describes the different maturity of tea branches and leaf leave on the cutting root growth and development, to explore its value in the nursery application. The new shoots of tea tree from top to bottom, the epidermis turns reddish brown from the green to the stem, the degree of maturation is also gradually deepened, the growth potential decreases, which is consistent with the anatomical structure of shoots in different parts of the branches. Green has hardened branches, healing, hair root fastest, underground and aboveground growth are very good. Followed by reddish brown branches and Ma sticks. Green hardwood and reddish brown technology easy to grow strong seedlings, should be preferred to use this section of the branches as cuttings. Although the stalks out of nursery rate is slightly lower, but also to grow strong seedlings, the general can also be used. 3. Not lignified green soft sticks, cutting in the field can survive, but the survival rate is low. If you can strengthen water management before hair root, fat root training to strengthen management, is expected to improve the survival rate and fertility strong seedlings. In the case of insufficient spikes, this section of the branches can be properly used. 4. Multi-leaf stubble hairpin speed and leaf plug similar, but the root group developed, shoot growth well, is to cultivate strong seedling a way. Due to uneconomical use of shoots, the breeding coefficient is affected. Sufficient in the case of the ear, you can consider using 2-3 leaf plug.