Growth and yield responses of pawpaw varieties (Carica Papaya l.) intercropped with okra and cucumber

O. Olubode, I. Aiyelaagbe, J. Bodunde, F. Olasantan
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引用次数: 4

Abstract

Field experiment was conducted in 2004 and 2005 to investigate the responses of two Carica papaya L varieties (Homestead and Sunrise solo) to three cropping systems: sole pawpaw, pawpaw + okra and pawpaw + cucumber using 10 t/ha organo-mineral fertilizer as basal treatment. The objective of the study was to determine the compatibility of pawpaw with okra and cucumber vegetables. Intercropping significantly decreased pawpaw plant height, stem girth, number of leaves, leaf area and canopy spread in the first year while it sustained LER. The LER, growth and yield in both years indicated that Sunrise solo was more compatible with cucumber and Homestead selection with okra. Significant differences were recorded between Sunrise solo number of fruits/plant, 58.89 and Homestead, 38.44 and the fruit yield/plant, 22.35 t/ha respectively. Okra significantly depressed fruit yield of both varieties more than cucumber with sole, +okra and +cucumber crop mixtures recording 24.32, 20.27 and 22.55 ton/ha under Sunrise solo and 42.66, 24.54 and 39.16 ton/ha under Homestead respectively. The result should show that papaya could be inter-cropped with vegetable at the early vegetative stages to sustain land utilization as well as total productivity.
秋葵和黄瓜间作木瓜品种的生长和产量响应
2004年和2005年通过田间试验,研究了10 t/ hm2有机矿肥基肥处理下2个Carica木瓜L品种(Homestead和Sunrise solo)对单独木瓜、木瓜+秋葵和木瓜+黄瓜3种种植制度的响应。研究的目的是确定木瓜与秋葵和黄瓜蔬菜的相容性。套作第一年显著降低了木瓜株高、茎周长、叶片数、叶面积和冠层铺展。两个年份的LER、生长和产量表明,日升单株与黄瓜的亲和性更好,宅地选材与秋葵的亲和性更好。日升单株果数58.89 t/ha与宅地单株果数38.44 t/ha和单株果产量22.35 t/ha差异显著。秋葵对两品种果实产量的抑制作用均显著高于单作、+秋葵+ +黄瓜单作分别为24.32、20.27和22.55吨/公顷和42.66、24.54和39.16吨/公顷。结果表明,在营养早期,木瓜可与蔬菜间作,以维持土地利用和总生产力。
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