Multiplication performance of monkey jack by cleft grafting on single source seedling rootstock

Archives of Agriculture and Environmental Science Pub Date : 2023-12-25 DOI:10.26832/24566632.2023.080405

M. Robbani, C. R. Sarker, M. M. Islam, M. N. H. Mehedi

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Abstract

The present research work was undertaken to study the fate of cleft grafting of five potential monkey jack genotypes during 2020-2021 at the Germplasm Center, Patuakhali Science and Technology University, Bangladesh. Scions from five in situ conserved promising mother plants named as Dumki-Al-S1, Dumki-Al-S2, Dumki-Al-S3, Dumki-Al-S4 and Kalapara-Al-S5 were cleft grafted on seedling rootstock (Dumki-Al-R1) of single genotype. A pot experiment was set in two-factor (Scions and Days after grafting) RCBD with 10 replications. The time required to break bud varied significantly among the treatments and ranged from 14 to 20 days. Dumki-Al-S1 required the maximum time to bud break (20 days) followed by Dumki-Al-S3 (18 days). Dumki-Al-S2 took minimum time (14 days) for bud breaking. The maximum increased length of rootstock found in Dumki-Al-S2 which were 55.00, 55.70, 56.44 and 65.30 cm at 21, 42, 63 and 84 days after grafting (DAG), respectively, followed by Kalapara-Al-S5 (61.80, 54.80, 55.30, and 57.12 cm at 21, 42, 63 and 84 DAG, respectively). Kalapara-Al-S5 showed maximum diameter of rootstock (1.44, 1.70, 1.80 and 1.94 cm at 21, 42, 63 and 84 DAG, respectively) followed by Dumki-Al-S4 (1.08, 1.24, 1.34 and 1.42 cm at 21, 42, 63 and 84 DAG, respectively). The length and diameter of scion of Dumki-Al-S4 and Kalapara-Al-S5 were higher and statistically identical at 84 DAG. The maximum graft height was recorded in Kalapara-Al-S5 (70.60, 73.40, 76.00 and 77.10 cm at 21, 42, 63 and 84 DAG, which was statistically similar with Dumki-Al-S2. Kalapara-Al-S5, Dumki-Al-S3 and Dumki-Al-S4 showed maximum number of leaves per graft at 84 DAG. The maximum graft success of 40% was observed in both Dumki-Al-S1 and Dumki-Al-S3 at 84 DAG, whereas, other treatments had less than 20% graft success. Kalapara-Al-S5 and Dumki-Al-S2 showed significantly higher and identical number of sprouted shoots at 84 DAG. Dumki-Al-S1 showed the maximum lengths and diameters of shoot at 84 DAG. The overall performance of the stionic combinations indicated that Dumki-Al-S1 and Dumki-Al-S3 were found promising for further grafting trials with seedling rootstocks.

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用劈接法在单源苗砧木上繁殖猴千斤顶的性能

本研究工作的目的是在 2020-2021 年期间，在孟加拉国帕图阿哈利科技大学种质中心研究五种有潜力的猴爪菇基因型的劈接命运。在单一基因型的育苗砧木（Dumki-Al-R1）上劈接了五株原地保存的有前途母株（Dumki-Al-S1、Dumki-Al-S2、Dumki-Al-S3、Dumki-Al-S4 和 Kalapara-Al-S5）的接穗。盆栽试验采用双因素（接穗和嫁接后天数）RCBD，10 次重复。各处理的破芽所需时间差异很大，从 14 天到 20 天不等。Dumkii-Al-S1 所需的破芽时间最长（20 天），其次是 Dumki-Al-S3（18 天）。Dumki-Al-S2萌芽所需时间最短（14 天）。Dumkii-Al-S2 的砧木长度增加最多，在嫁接后 21、42、63 和 84 天分别为 55.00、55.70、56.44 和 65.30 厘米，其次是 Kalapara-Al-S5（在嫁接后 21、42、63 和 84 天分别为 61.80、54.80、55.30 和 57.12 厘米）。Kalapara-Al-S5 的砧木直径最大（21、42、63 和 84 DAG 时分别为 1.44、1.70、1.80 和 1.94 厘米），其次是 Dumki-Al-S4（21、42、63 和 84 DAG 时分别为 1.08、1.24、1.34 和 1.42 厘米）。在 84 DAG 时，Dumki-Al-S4 和 Kalapara-Al-S5 的接穗长度和直径较高，且在统计上相同。Kalapara-Al-S5 的嫁接高度最大（21、42、63 和 84 DAG 时分别为 70.60、73.40、76.00 和 77.10 厘米），与 Dumkii-Al-S2 在统计上相似。在 84 DAG 时，Kalapara-Al-S5、Dumki-Al-S3 和 Dumki-Al-S4 的每株嫁接叶片数最多。在 84 DAG 时，Dumki-Al-S1 和 Dumki-Al-S3 的最大嫁接成功率为 40%，而其他处理的嫁接成功率低于 20%。在 84 DAG 时，Kalapara-Al-S5 和 Dumki-Al-S2表现出明显较高且相同的萌芽数量。Dumkii-Al-S1 在 84 DAG 时表现出最大的芽长度和直径。嫁接组合的总体表现表明，Dumki-Al-S1 和 Dumki-Al-S3很有希望进一步与育苗砧木进行嫁接试验。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Archives of Agriculture and Environmental Science

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