不同浓度IBA对大果榛子不同品种黄化萌条扦插成活率影响综合评价

doi:10.6048/j.issn.1001-4330.2018.03.009

摘要/Abstract

摘要： 【目的】研究大果榛子黄化萌条扦插苗成活率和生根质量,有效提高黄化萌条的利用率。【方法】以大果榛子品种新榛1号、新榛2号和新榛3号的黄化萌条作为试验材料,研究不同浓度吲哚丁酸(IBA)对其扦插生根率、根生长量特征参数和地上部分生长特征参数的影响,采用隶属函数进行综合评价。【结果】不同浓度IBA对大果榛子不同品种黄化萌条扦插生根率、根生长量特征参数和地上部分生长特征参数的影响有所差异。IBA浓度为5 mmol/L时,新榛1号的生根范围、单株新梢数、单株新梢长度和新梢饱满芽数均最高;新榛2号的生根率、生根指数和单株根数均最高;新榛3号的单株根长、平均根粗和生根范围茎粗最高。IBA浓度为7.5 mmol/L时,新榛1号的单株根长、生根范围、单株新梢数、单株新梢长度和新梢饱满芽数均最高;新榛2号的生根率、生根指数和单株根数均最高;新榛3号的单株根粗和生根范围茎粗均最高。IBA浓度为10 mmol/L时,新榛1号的单株根长、生根范围和新梢饱满芽数均最高;新榛2号的单株根数最高;新榛3号的生根率、生根指数、平均根粗、生根范围茎粗、单株新梢数和单株新梢长度均最高。相关性分析得知,单株根数与单株根长,平均根粗与生根范围中部茎粗间的相关性均达极显著水平,相关性系数(R)分别为-0.897和0.911;生根范围与单株新梢数、单株新梢长度和新梢饱满芽数,生根范围茎粗与单株新梢长度间的相关性系数达显著水平,相关性系数分别为0.750、0.771、0.749和0.753。【结论】新榛1号黄化萌条在IBA速浸浓度为5 mmol/L处理后的性状综合表现较好(隶属函数平均得分值为0.64),新榛2号黄化萌条扦插在IBA速浸浓度为7.5 mmol/L处理后的性状综合表现较好(隶属函数平均得分值为0.73),新榛3号黄化萌条在IBA速浸浓度为10 mmol/L处理后的性状综合表现较好(隶属函数平均得分值为0.70)。

关键词: 大果榛子; 吲哚丁酸; 黄化萌条; 扦插生根率; 综合评价

Abstract: 【Objective】 To improve the survival rate and rooting quality of yellow sprouted bud cuttings of big fruit Hazelnut cultivars and then to effectively enhance the utilization rate of yellow sprouted buds.【Method】Yellow sprouted bud cuttings of big fruit Hazelnut cultiver Xinzhen No. 1 (84-254), No. 2 (82-11) and No. 3 (84-310) were used as experimental materials to study the effects of different concentration indole butyric acid (IBA) on the rooting rate, root growth parameters and the plant aboveground parts growth parameters of cuttings, and the membership function was used for comprehensive evaluation. 【Result】There were some different effects of different concentrations IBA on rooting rate, root growth parameters and the plant aboveground parts growth parameters of yellow sprouted bud cuttings of big fruit Hazelnut different cultivars. Among them, when the concentration of IBA was 5 mmol/L, the rooting range on cutting, per plant shoots number and shoots length, shoot full bud number of Xinzhen No. 1 were the highest; the percentage of rooting, rooting index and per plant root number of Xinzhen No. 2 were the highest; per plant root length, average root diameter and rooting range on cutting of Xinzhen No. 3 were the highest. When the concentration of IBA was 7.5 mmol/L, the per plant root length, rooting range on cutting, per plant shoots number, per plant shoots length and shoots full bud number of Xinzhen No. 1 were the highest; the percentage of rooting, rooting index and per plant root number of Xinzhen No. 2 were also the highest; average root diameter and rooting range on cutting of Xinzhen No. 3 were the highest. When the concentration of IBA was 10 mmol/L, the per plant root length, rooting range on cutting and shoots full bud number of Xinzhen No. 1 were the highest; the Root number of per plant of Xinzhen No. 2 was the highest; the percentage of rooting, rooting index, average root diameter, rooting range on cutting, per plant shoots number and shoots length of Xinzhen No. 3 were the highest. Correlation analysis showed that the correlation between root number and root length of per plant, average root diameter and rooting range on cutting also reached extremely significant level, the correlation coefficient (R) were -0.897 and 0.911, respectively; there was a significant correlation level expressed among the rooting range on cutting and per plant shoots number, per plant shoots length and shoots full bud number, stem diameter of rooting range and per plant shoots length, the correlation coefficients were 0.750, 0.771, 0.749 and 0.753, respectively.【Conclusion】Yellow sprouted bud cuttings of Xinzhen No. 1 has a better comprehensive performance under the treatment with 5 mmol/L IBA concentration (membership function scoring average value is 0.64), the Xinzhen No. 2 has a better comprehensive performance under the treatment with 7.5 mmol/L IBA concentration (membership function scoring average value is 0.73), and the Xinzhen No. 3 has a better comprehensive performance under the treatment with 10 mmol/L IBA concentration (membership function scoring average value is 0.70).

Key words: big fruit hazelnut; IBA; yellow sprouted buds; cutting survival rate; comprehensive evaluation

中图分类号:

S664.4

故丽米热·卡克什,木合塔尔·扎热,马合木提·阿不来提,
史彦江,宋锋惠. 不同浓度IBA对大果榛子不同品种黄化萌条扦插成活率影响综合评价[J]. 新疆农业科学, 2018, 55(3): 468-476.

Gulmira Kakix, Muhtar Zari, Mahmut Ablat, SHI Yan-jiang, SONG Feng-hui. Comprehensive Evaluation of Different Concentration IBA Effects on the Survival Rate of Yellow Sprouted Bud Cuttings of Different Big Fruit Hazelnut Cultivars[J]. Xinjiang Agricultural Sciences, 2018, 55(3): 468-476.

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