Effect of pruning on growth, leaf yield and pod yields of okra (<i>Abelmoschus esculentus</i>(L.) Moench)

Olasantan, F. O.; Salau, A. W.

doi:10.1017/s0021859607007290

Cited by 20 publications

(18 citation statements)

References 19 publications

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“…1). This is consistent with findings in okra (Abelmoschus esculentus (L.) Moench), where apical bud removal is applied in combination with leaf removal to prolong the growing period (Olasantan & Salau 2008).…”

Section: Canopy Developmentsupporting

confidence: 90%

Effects of shoot tipping on development and yield of the tuber crop Plectranthus edulis

2011

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SUMMARYPlectranthus edulis (Vatke) Agnew is one of the tuber crops of the genus Plectranthus that is widely cultivated in Africa and Asia. P. edulis produces below-ground tubers on stolons originating from the stems, comparable to the potato (Solanum tuberosum L.). Farmers apply several laborious cultural practices to enhance shoot growth and yield, among which shoot tipping is very common. Tipping (pinching) is the removal of the shoot apex with one or two pairs of leaves from the main stems and branches. The rationale of this practice, especially when repeated more than once during one cropping season, is not fully understood. One similar experiment with two cultivars was carried out at two locations (Awassa and Wondogenet) in Ethiopia to assess and analyse the effects of shoot tipping and its frequency on crop development and tuber production. Tipping treatments included zero tipping, tipping once, tipping twice and tipping thrice, with the first tipping taking place 68 days after planting (DAP), a stage at which most of the stems reached a height of about 0·15 m, and the remainder following at intervals of 44-46 days. Tipping stimulated stem branching; it significantly increased the number of primary, secondary and tertiary stems in both experiments. Soil cover increased with an increase in the frequency of the tipping in Awassa, because of the tipping effects on the different canopy development variables. Tipping also enhanced the soil cover in Wondogenet, but the crop did not gain any extra benefit from a third tipping. Tipping enhanced early stolon formation, but did not consistently affect the number of stolons per hole later in the growing season. The number of tubers increased with an increase in the frequency of tipping in both cultivars in Wondogenet and in one cultivar in Awassa. Tuber dry matter yield increased with an increase in the frequency of tipping at both sites. Fresh tuber yield in the final harvest at 208 DAP was c. 1·9 kg/m 2 . Tipping on average increased fresh tuber yield by 17% in Wondogenet, whereas the difference was not detectable in Awassa. Because senescence was delayed slightly by tipping, yield effects of tipping might be larger when harvesting later. In general, there was a positive effect of tipping on canopy development and tuber yield.

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Section: Canopy Developmentsupporting

confidence: 90%

Effects of shoot tipping on development and yield of the tuber crop Plectranthus edulis

2011

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“…In addition, leaf area on the plant with 5 branches was higher than plants without pruning. This is in line with Olasantan and Salau (2008) that stated that pruning led to an increase in leaf area of okra and the increasing of leaf area depended on the severity of the pruning. The increase in leaf area was caused by the mechanism of the plant to compensate the lost of leaf due to pruning.…”

Section: Discussionsupporting

confidence: 91%

The Effect of Apex Pruning on Vegetative and Generative Growth of Roselle (Hibiscus sabdariffa L.)

Susanto¹,

Aji²,

Rahayu³

2015

J Hort Indonesia

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ABSTRAKPenelitian ini bertujuan untuk mempelajari pengaruh jumlah cabang pada pertumbuhan vegetatif dan generatif rosela. Penelitian dilaksanakan di Kebun Percobaan Cikabayan pada bulan Februari sampai Juni 2009. Percobaan disusun dalam rancangan acak lengkap dengan faktor tunggal dan terdiri dari empat tingkat pemangkasan: kontrol (tanpa pemangkasan), pemangkasan pucuk dengan 5 cabang, pemangkasan pucuk dengan 10 cabang, dan pemangkasan pucuk dengan 15 cabang, masing-masing dengan tiga ulangan. Hasil penelitian menunjukkan bahwa pemangkasan dengan nomor yang berbeda dari cabang memberi efek pada penurunan pada beberapa variabel pertumbuhan vegetatif dan generatif rosela. Tanaman dengan pemangkasan pucuk pada 15 cabang tidak menunjukkan perbedaan pada jumlah batang utama, jumlah sekunder batang, jumlah daun, jumlah bunga, berat segar dan kering calyxes, dan konten antosianin di calyxes. Tanaman mengalami pemangkasan dengan nomor yang berbeda dari cabang cenderung memiliki konten antosianin lebih tinggi dibandingkan pada kontrol. Umumnya, tanaman dengan 15 cabang utama memberikan efek terbaik pada kedua pertumbuhan vegetatif dan generatif rosela.

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“…Numbers of fully-expanded leaves were counted. Leaf area was estimated by the non-destructive method of Olasantan and Salau (2008).…”

Section: Methodsmentioning

confidence: 99%

Growth and Yield of Okra with Rock-Phosphate – Amended Organic Fertilizer

Makinde¹

2013

JAS

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Phosphorous supply from organic manures for okra production can be insufficient for optimal fruit yield. The growth and yield of okra (Variety: NHAe 47-4) were assessed in field experiments with an organic fertilizer made from cowdung (CD), fortified with Ogun Rock Phosphate (ORP). The ORP was applied sole at 100 kg ha -1 and also with each of 2.5; 5.0; 7.5 and 10.0 t ha -1 cowdung. There was a standard check of NPK 20-10-10 applied 2 weeks after planting at 400 kg ha -1 and an unfertilized control., Average number of leaves per plant, stem diameter and plant height were all similar, with 4 weeks growth. Average plant leaf area was however higher with ORP added to either 7.5 or 10.0 t ha -1 CD, relative to either sole ORP or the unfertilized treatments. At 8 weeks after planting, plant height was highest with 10.0 t ha -1 CD + ORP and was comparable only with plants from 7.5 t ha -1 CD + ORP application. Plant stem girths were similar with all ORP applications. Number of leaves per plant and average leaf area were highest with 10.0 t ha -1 CD + ORP. Applications of 2.5; 5.0 and 7.5 t ha -1 CD + ORP had comparable leaf areas. Application of 10.0 t ha -1 CD + ORP gave the highest okra fruit yield which was comparable with yields from 2.5; 5.0 and 7.5 t ha -1 CD +ORP that ranged from 2.92 to 3.05 t ha -1 . Pod length and pod circumference were significantly higher with ORP + 10.0 or 7.5 t ha -1 CD. Plants from the unfertilized control treatment had significantly shorter pods with lower circumference than all the fertilized plants. Okra fruit yield is significantly increased with organic fertilizer fortification with ORP.

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Effect of pruning on growth, leaf yield and pod yields of okra (Abelmoschus esculentus(L.) Moench)

Cited by 20 publications

References 19 publications

Effects of shoot tipping on development and yield of the tuber crop Plectranthus edulis

Effects of shoot tipping on development and yield of the tuber crop Plectranthus edulis

The Effect of Apex Pruning on Vegetative and Generative Growth of Roselle (Hibiscus sabdariffa L.)

Growth and Yield of Okra with Rock-Phosphate – Amended Organic Fertilizer

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