Response of Three Varieties of Cowpea( Vigna sinensis L.) to Different levels of potassium fertilizer under southern region conditions of Iraq

Al-Furtuse, Ali. K.; Aldoghachi, Kifah A.; Jabail, Waleed A.

doi:10.37077/25200860.2019.254

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…Phosphorus activates cell division by accumulation at meristematic regions and increases leaf area and leaf number [24]. Potassium being a mobile element is essential in promoting leaf area by enhancing leaf expansion, promoting more number of leaves and enzyme activation leading to augmentation of leaf area and LAI supporting the overall plant growth [25]. The interactions between P and K might have increased the leaf area and LAI as observed by Devi and Luikham [26] in black aromatic rice.…”

Section: Leaf Area Per Plantmentioning

confidence: 99%

Growth and Yield of Grain Cowpea (Vigna unguiculata sub sp. cylindrica) in Response to Foliar Nutrition and Graded Levels of Phosphorus and Potassium

Sruthy,

Pillai,

Shimi

et al. 2023

IJECC

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Aim: To assess the growth and yield of grain cowpea in response to varied doses of phosphorus (P) and potassium (K) supplemented with foliar application of nano diammonium phosphate (DAP) and potassium salt of active phosphorus (PSAP). Study Design: The field experiment was a factorial experiment, laid out in randomised block design with two levels of P, three levels of K and two sources of foliar nutrition, compared against a control, with three replications. Place and Duration of Study: The study was conducted at the Integrated Farming System Research Station, Karamana, Nedumcaud, Thiruvananthapuram, Kerala, India, during the period from December 2022 to February 2023. Methods: The study utilized PGCP-6 cowpea variety and adopted fertilizer recommendations as per KAU POP (Package of Practices Recommendations of the Kerala Agricultural University). The entire dose of FYM, P and K and half dose of nitrogen (N) were applied as basal dose. The remaining half dose of N was applied at 15 days after sowing (DAS). Additionally, foliar application of nano DAP and PSAP (each @ 0.4 %) was done at 20 DAS and 40 DAS. Results: The results of the study revealed that the treatment combination, p2k1f2 and p2k1f1 had comparable leaf area per plant and leaf area index (LAI) (at 60 DAS). The highest seed yield (1642 kg ha-1) was recorded with p2k1f2. Higher dose of P and K along with foliar application of nano DAP (0.4 % at 20 DAS and 40 DAS) had significant effect on the total DMP and haulm yield. Conclusion: Combined application full dose of N, half dose of P, full dose of K and foliar application of PSAP (0.4 %) at 20 DAS and 40 DAS could be recommended as the best treatment combination for yield enhancement in grain cowpea.

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Section: Leaf Area Per Plantmentioning

confidence: 99%

Growth and Yield of Grain Cowpea (Vigna unguiculata sub sp. cylindrica) in Response to Foliar Nutrition and Graded Levels of Phosphorus and Potassium

Sruthy,

Pillai,

Shimi

et al. 2023

IJECC

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Screening of different legumes for the developmental preference of Callosobruchus maculatus (Bruchidae: Coleoptera)

Nisar

Haq

Ramzan

et al. 2021

Int J Trop Insect Sci

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Pulse beetle, Callosobruchus maculatus (Bruchidae: Coleoptera), commonly known as Cowpea weevil or Cowpea seed beetle is a pest of stored grain that attacks legumes in the field and stored conditions. An investigation was conducted for screening the developmental preference of Callosobruchus maculatus in different legumes. Five different legumes were used with three replications in Completely Randomized Design (CRD). The grains of legumes were obtained from the local market of Dera Ghazi Khan. Two pairs of adult (C. maculatus) were inoculated in 20 g seeds of different legumes. Statistics on egg count, egg-laying preference percentage, hatching percentage, incubation period, larval + pupal period, total developmental period (from egg to adult), male and female population, total adult emergence, No. of holes in seeds and seeds weight loss percentage was recorded. The outcomes of this study represented that red kidney bean grains (22.54%) contained more egg-laying preference for C. maculatus as compared to other tested legumes while desi chickpea grains (14.53%) had a lesser ovipositional preference. Minimum growth period was recorded on mung bean (22.66 days), followed by cowpea (24.33 days), kabuli chickpea (27 days) and desi chickpea (30.33 days). But there was (0.0 days) no growth of C. maculatus on red kidney bean grains. In short, smooth seed coat and well-filled seeds were most preferred by C. maculatus for egglaying, short developmental time, maximum adult emergence and increased holed seeds.

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Pre-treatment for heat tolerance enhancement of the Indian almond (Pithecellobium dulce) seedlings using ascorbic acid and potassium chloride

2023

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In light of global warming, pre-treatment plants with antioxidants may reduce the damage caused by climatic changes. Indian almond seedlings were planted in pots subjected to ascorbic acid and potassium chloride alone or combined to reduce the negative impact of high field temperature. Compared with the control, all treatments improved the plant height, branch number, number of leaves, and leaf area. These treatments reduced loss in concentration of photosynthetic pigments such as chlorophyll a, chlorophyll b, total chlorophyll, and carotenoid. Heat stress increased abscisic acid content and electrolyte leakage percentage, whereas the application of ascorbic acid alleviated this damage. Indian almond plants can better withstand high temperatures particularly using ascorbic acid treatments at 50 mg l−1 or treatment of ascorbic acid at 50 mg l−1 + potassium chloride at 250 mg l−1 to reduce heat stress damage.

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Response of Three Varieties of Cowpea( Vigna sinensis L.) to Different levels of potassium fertilizer under southern region conditions of Iraq

Cited by 3 publications

References 7 publications

Growth and Yield of Grain Cowpea (Vigna unguiculata sub sp. cylindrica) in Response to Foliar Nutrition and Graded Levels of Phosphorus and Potassium

Growth and Yield of Grain Cowpea (Vigna unguiculata sub sp. cylindrica) in Response to Foliar Nutrition and Graded Levels of Phosphorus and Potassium

Screening of different legumes for the developmental preference of Callosobruchus maculatus (Bruchidae: Coleoptera)

Pre-treatment for heat tolerance enhancement of the Indian almond (Pithecellobium dulce) seedlings using ascorbic acid and potassium chloride

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