Effects of pruning intensity and plant growth regulators on growth, yield and quality of guava (Psidium Guajava L.) CV. Sardar

Pub Date : 2023-10-12 DOI:10.3329/bjb.v52i3.68923

Basavaraj Magadum, R. Kanpure, Op Singh, B. Kachouli, J. Bhandari

引用次数: 0

Abstract

Effects of pruning intensity and spray of plant growth regulators (PGR) on dfferent parameters of Guava (Psidium Guajava L.) Sardar were investigated. Growth, quality and yield attributing characters were improved at 30 cm pruning intensity. With respect to effect of plant growth regulators, application of 600 ppm NAA improved all the characters except minimum number of days taken to flower initiation (39.47), acidity (0.33 %), TSS (12.11 oBrix) and total sugars (6.79 %) which were recorded in 600 ppm ethephon. The interaction studied showed that P3G2 (30 cm pruning + 600 ppm NAA) had recorded the highest value with growth, yield and quality, while the combination of P3G3 (30 cm pruning + 600 ppm ethephon) was good for qualitative parameters. Bangladesh J. Bot. 52(3): 813-820, 2023 (September)

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修剪强度和植物生长调节剂对番石榴（Psidium Guajava L.）CV.生长、产量和质量的影响萨达尔

研究了修剪强度和喷洒植物生长调节剂（PGR）对番石榴（Psidium Guajava L. Sardar）不同参数的影响。修剪强度为 30 厘米时，番石榴的生长、品质和产量特征均有所改善。在植物生长调节剂的影响方面，施用 600 ppm NAA 可改善所有特征，但 600 ppm ethephon 可改善花期最短天数（39.47 天）、酸度（0.33 %）、TSS（12.11 oBrix）和总糖（6.79 %）。交互作用研究表明，P3G2（30 厘米修剪+600 ppm NAA）的生长、产量和质量值最高，而 P3G3（30 厘米修剪+600 ppm 乙硫磷）组合的质量参数较好。孟加拉国植物学杂志52(3):813-820，2023 年（9 月）

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