Study on Efficiency of Rootstock/Scion Residue Reuse in Pepper

doi:10.7668/hbnxb.2018.S1.023

Abstract

Abstract: Grafting is an effective way to improve the stress resistance of pepper,in order to improve the utilization efficiency of rootstock and scion during grafting,and to clarify the feasibility of regeneration and grafting reuse of rootstock and scion after grafting,pepper Habo as rootstock and Zhongjiao No.6 as scion,designed different grafting combinations(normal scion/normal rootstock (NS/NR),regeneration scion/normal rootstock (RS/NR),normal scion/rootstock cuttings (NS/CR),regeneration scion/rootstock cuttings (RS/CR)),studied the growth and development process of rootstock and scion residue regeneration seedlings,compared the healing and growth indexes of residue grafting seedlings with primary grafting seedlings. The results showed that under the condition of this experiment,the rootstock could be regenerated by cutting and the scion could be regenerated to form a complete seedling,the stem diameter of the rootstock was about 2.39 mm and the scion was about 2.16 mm after 25 days cultivation,both the rootstock and the scion can be graft,and shorten the seedling raising time 5 days. Compared with the primary grafting seedlings,the survival rate,connecting force,transporting capacity and the quality of the grafted seedlings after grafting 30 days did not reach a significant difference when grafted with rootstock and scion residue. The grafted rootstock and scion residue could be regenerated and grafted again after grafting,and the efficiency of pepper grafted seedlings could be improved.

Key words: Pepper, Grafting, Residue, Reuse

CLC Number:

S641.3

LI Fukai, WANG Hongfei, SHANG Qingmao. Study on Efficiency of Rootstock/Scion Residue Reuse in Pepper[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2018, 33(S1): 133-138. doi: 10.7668/hbnxb.2018.S1.023.

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