EFFECT OF NETTLE-LEAF GOOSEFOOT (CHENOPODIUM MURALE) ON BULB ONION (ALLIUM CEPA) YIELD

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EDIM H.

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Journal: Applied Entomology and Phytopathology Year:2009 | Volume:76 | Issue:2 (86) Page(s): 55-65

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Information Journal Paper

Title

EFFECT OF NETTLE-LEAF GOOSEFOOT (CHENOPODIUM MURALE) ON BULB ONION (ALLIUM CEPA) YIELD

Author(s)

EDIM H. | Issue Writer Certificate

Keywords

ONIONQ2

INTERFERENCEQ3

YIELD LOSSQ3

MODELQ3

Abstract

In order to study the competitive ability of ONION against Nettle-leaf goosefoot (Chenopodium murale), an experiment was conducted at the research center of Iranshahr during 2003 and 2004. The experimental design was split-plot based on Randomized Complete Block Design (RCBD) with 4 replications. Main plots were planting systems (direct-seeded and transplanted) and sub plots were five density patterns (0, 0.33, 1, 3 and 6 plant/m2) at fix density of ONION. The relationships between ONION yield and Nettle-leaf density for each year were described using a rectangular hyperbolic function suggested by Cousens. The initial slop of the hyperbola (parameter I), representing the percentage yield reduction per unit density for very low Nettle-leaf infestations, was estimated 66.86 and 23.89% for direct-seeded ONION and transplanted ONION in 2003 while 48.09 and 42.86% in 2004. Maximum YIELD LOSS (parameter A), was estimated 92.92% in first year and 80.95 in second year for transplanted ONION. In direct-seeded that have less competitive ability than transplanted ONION, A, was 100% in two year. Generally, the results from experiments data and regression MODEL showed that nettle-leaf is more competitive than ONION.

Cites

CHEMICAL WEEDS CONTROL IN FALL TRANSPLANTING ONIONS IN SOUTHERN KERMAN PROVINCE

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APA: Copy

EDIM, H.. (2009). EFFECT OF NETTLE-LEAF GOOSEFOOT (CHENOPODIUM MURALE) ON BULB ONION (ALLIUM CEPA) YIELD. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, 76(2 (86)), 55-65. SID. https://sid.ir/paper/13141/en

Vancouver: Copy

EDIM H.. EFFECT OF NETTLE-LEAF GOOSEFOOT (CHENOPODIUM MURALE) ON BULB ONION (ALLIUM CEPA) YIELD. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY[Internet]. 2009;76(2 (86)):55-65. Available from: https://sid.ir/paper/13141/en

IEEE: Copy

H. EDIM, “EFFECT OF NETTLE-LEAF GOOSEFOOT (CHENOPODIUM MURALE) ON BULB ONION (ALLIUM CEPA) YIELD,” APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, vol. 76, no. 2 (86), pp. 55–65, 2009, [Online]. Available: https://sid.ir/paper/13141/en

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