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Effect of seasonal variation on softwood grafting under different environmental conditions in jamun (Syzygium cumini Skeels.)

机译:季节变化对Jamun(Syzygium cumini Skeels)在不同环境条件下嫁接软木的影响。

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摘要

An investigation was carried out to standardize the season and propagation environment for softwood grafting in jamun under open and mist chamber conditions during 2014-15 at monthly interval of September 2014-February 2015. Among the different months undertaken, grafting performed during September recorded highest graft success (75.24%), graft survival (71.45%), minimum number of days (23.28) for sprouting, maximum leaf area (32.45 cm~(-2)), graft diameter (0.48 cm) and graft height (33.13 cm). However, growth parameters viz., number of sprouts (2.54), sprout length (3.68 cm) and number of leaves (9.70) were found to be better in grafts performed in the month of February. Results on the influence of propagation environment on success of softwood grafting showed that grafts kept under mist chamber recorded minimum number of days (17.17) for sprouting, highest graft success (92.36%), graft survival (89.51%) and all other growth parameters (number of sprouts, sprout length, number of leaves, leaf area,graft height and graft diameter). Thus, the study clearly revealed that grafts performed during September under mist chamber gave maximum graft success and graft growth.
机译:进行了调查,以规范2014-15年间在2014-15年9月至2015年2月的月间在开放和雾室条件下在Jamun进行软木嫁接的季节和繁殖环境。在进行的不同月份中,9月进行的嫁接记录最高成功(75.24%),嫁接成活率(71.45%),发芽最少天数(23.28),最大叶面积(32.45 cm〜(-2)),嫁接直径(0.48 cm)和嫁接高度(33.13 cm)。然而,在2月份进行的嫁接中发现生长参数即芽数(2.54),芽长(3.68 cm)和叶数(9.70)更好。繁殖环境对软木嫁接成功的影响结果表明,保持在雾室下的嫁接记录的发芽天数最少(17.17),嫁接成功率最高(92.36%),嫁接存活率(89.51%)和所有其他生长参数(芽数,芽长,叶数,叶面积,嫁接高度和嫁接直径)。因此,该研究清楚地表明,9月在雾室下进行的嫁接使嫁接成功和嫁接生长最大化。

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