Effect of different levels of &lt;i&gt;Striga gesnerioides&lt;/i&gt; on the growth and yield of some local and improved cowpea (&lt;i&gt;Vigna unguiculata&lt;/i&gt; (L) Walp) varieties

Hayatu, M; Shehu, Muhammad Sani; Haruna, H.

doi:10.4314/bajopas.v9i1.12

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“…The effective Striga control by the Parkia fruit powder observed in this study might have been the reason for higher grain yield and yield characters. This is because higher number of Striga in the control plots, reduces the productivity of cowpea as reported by Hayatu et al. (2016) who noted negative effects of Striga on growth and yield character of cowpea.…”

Section: Discussionmentioning

confidence: 66%

“…Once Striga becomes established in a field, its eradication becomes very difficult. It was reported to reduce cowpea grain yield by 75–95% on susceptible cultivars in the field ( Hayatu et al., 2016 ). This significant yield reduction results in little or no food for millions of subsistence farmers and consequently aggravates hunger and poverty ( Lado et al., 2016 ).…”

Section: Introductionmentioning

confidence: 99%

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Efficacy of Parkia biglobosa fruit powder on the control of Striga in cowpea cropping systems in the Sudan-Savanna, Nigeria

Lado

Sani²,

Yahaya

et al. 2018

Heliyon

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Field experiments were conducted at the Teaching and Research Farm of Faculty of Agriculture, Bayero University, Kano (Latitude 120 03′N and Longitude 80 32′E) and Jigawa State Research Institute Farm, Kazaure (Latitude 120 06′N and Longitude 8047 E) in 2015 rainy season. The study was aimed to evaluate the effects of Parkia biglobosa fruit powder in the control of Striga (Striga gesnerioides (Walp) Vatke), growth and yield of cowpea (Vigna unguiculata (L.) Walp) under field condition. The treatments consisted of three methods of Parkia fruit powder application (seed coating, basal and the control) and seven cowpea varieties (IT90K-277-2, IT97K-205-8, IT97K-390-2, IT97K-461-4, IT97K-568-11, IT98D-288, IT98K-131-2 and IT03K-378-4). These were laid in a split plot design and replicated three times. Methods of application of Parkia fruit powder were assigned to the main plot, while cowpea varieties were in the subplot. Results of the study showed that the control plots had the highest Striga count m−2 in both locations. The variety IT90K-390-2 recorded the highest number of Striga m−2 (5.11) while 1T97K-205-8 had none. Among the varieties tested, IT90K-277-2 recorded the highest grain yield (1841.3 kg ha−1) while IT03K-378-4 had the lowest grain yield (1439.4 kg ha−1) at BUK. Coating cowpea seeds with Parkia fruit powder recorded lowest stand count on most varieties. Basal application of Parkia fruit powder to IT90K-277-2 recorded higher grain yield (2137 kg ha−1) and lower Striga count m−2 (0.66), and is therefore recommended for Striga control.

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Section: Discussionmentioning

confidence: 66%

Section: Introductionmentioning

confidence: 99%