Abstract
Abstract The influence of floral buds on growth, seed yield and quality of okra were studied at the Agricultural University; Peshawar during spring seasons (2012-13) using Randomized Complete Block Design with 3 replications. Five okra varieties viz. Sabz Pari, Arka Anamika, Pusa Sawani, Punjab Selection and Green Star were evaluated by retaining 8, 11, 14, 17 and 20 floral buds for seed production. Maximum plant height (131.65 cm), number of branches plant per plant (2.04), seeds per pod (65.30), seed weight per pod (4.29 g) and seed yield (2.37 t ha-1) were recorded in variety Arka Anamika. However, the maximum leaves per plant (39.88) and 100 seed weight (7.55 g) were recorded in Sabz Pari and Pusa Sawani respectively. Retention of 8 floral buds resulted in the maximum plant height (128 cm), number of branches per plant (2.16), seeds per pod (69.72), seed weight per pod (4.29 g), but the minimum seed yield (1.51 t ha-1). Highest seed yield (2.77 t ha-1) as well hard seed (26.77%) were recorded with 20 floral buds retention. The varieties and floral buds interaction revealed significantly higher plant height (134.47 cm) and seed yield (3.69 t ha-1) in variety Arka Anamika with retaining 8 and 20 floral buds respectively. By contrast, the minimum plant height (123.67 cm) in Sabz Pari and seed yield (1.39 t ha-1) in Punjab Selection were recorded with 20 and 8 floral buds respectively. Retaining 14 to 17 floral buds may contribute to the reasonable economic okra seed yield. Keywords: Floral buds; Okra varieties; Seed production; Seed quality http://dx.doi.org/10.19045/bspab.2019.80032
Highlights
Maximum number of seeds per pod was recorded in Sabz Pari (73.95), Arka Anamika (74.9), Pusa Sawani (63.84), Punjab selection (66.76) and Green Star (68.65) with 8 floral buds retained for seed production (Figure 2)
Seed yield decreased with decreasing the number of floral buds and minimum seed yield of different okra varieties were with 8 floral buds retained for seed production (Figure 3)
The okra varieties evaluated in this study showed no significant variation in hardseed percentage but it was significantly affected by increasing the number of floral buds on the plant for seed production
Summary
The treatments included five okra varieties i.e. Sabz Pari, Arka Anamika, Pusa Sawani, Punjab Selection and Green Star, planted at five crop load levels i.e. 8, 11, 14, 17 and 20 floral buds to develop as mature pods for seed extraction. The minimum plant height in Sabz Pari (109.9 cm), Arka Anamika (129 cm), Pusa Sawani (120.6 cm), Punjab Selection (116.80 cm) and Green Star (125 cm) with 20 floral buds retention increased to the maximum of 123.67, 134.5, 126, 126.6 and 129.6 cm with retaining 8 floral buds on the okra plants for seed production (Figure 1). Maximum number of seeds per pod was recorded in Sabz Pari (73.95), Arka Anamika (74.9), Pusa Sawani (63.84), Punjab selection (66.76) and Green Star (68.65) with 8 floral buds retained for seed production (Figure 2). It has been reported that removal of early formed fruit increased the number of seeds formed per fruit [32]
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