Effect of Plant Growth Regulators on Growth and Flower Yield of Lisianthus (Eustoma grandiflorum) Under Prayagraj Agro Climatic Conditions

International Journal of Plant & Soil Science Pub Date : 2024-07-05 DOI:10.9734/ijpss/2024/v36i74810

Siva Poorani, Vijay Bahadur, U. Fatmi

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Abstract

The experiment was carried out under naturally ventilated polyhouse conditions, Department of Horticulture, SHUAT S, Prayagraj, during November, 2023 to April, 2024. The experiment was laid out in Completely Randomized Design (CRD) with three replications. There were ten treatments comprising of CCC, GA3, NAA at different concentrations viz., GA3 (100, 200, 300) ppm and CCC (250, 500, 750) ppm and NAA (30, 45, 60) ppm along with control. The results revealed that foliar application of 300 ppm GA3 for Lisianthus, significantly enhanced the treatment T3 - GA3 at 300 ppm was found in superior among other treatments in terms of plant height (20.66cm), number of leaves (33.06), plant spread (11.3cm), stem diameter (3.23cm), leaf area (15.43cm2), bud length (2.62cm), number of buds per plant (6.43), stalk length (5.70cm), Number of flowers per plant (6.43), number of branches per plant (3.12),chlorophyll content (66.10), minimum number of days for bud initiation (122.50), Flower yield per plant (6.43), flower yield per 250m2 (40187.50), benefit cost rat io (4.08) per 250 m2 was also observed in T3 - GA3 at 300 ppm.

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植物生长调节剂对普拉亚格拉杰农业气候条件下洋金花（Eustoma grandiflorum）的生长和花产量的影响

实验于 2023 年 11 月至 2024 年 4 月在普拉亚格拉杰大学园艺系的自然通风温室条件下进行。实验采用完全随机设计（CRD），三次重复。共有 10 个处理，包括不同浓度的 CCC、GA3、NAA，即 GA3（100、200、300）ppm、CCC（250、500、750）ppm 和 NAA（30、45、60）ppm，以及对照。结果表明，叶面喷施 300ppm GA3 能显著提高利剑花的产量，在株高（20.66 厘米）、叶片数（33.06）、株距（11.3 厘米）、茎直径（3.23 厘米）、叶面积（15.43 平方厘米）、芽长（2.62 厘米）、单株芽数（6.在浓度为 300 ppm 的 T3 - GA3 中，还观察到了单株产花量（6.43）、每 250 平方米产花量（40187.50）、每 250 平方米效益成本率（4.08）、叶绿素含量（66.10）、萌芽最低天数（122.50）、单株产花量（6.43）、每 250 平方米产花量（40187.50）、每 250 平方米效益成本率（4.08）。

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International Journal of Plant & Soil Science

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