Impact of Plant Spacing on Garlic Rust (Puccinia allii), Bulb Yield and Yield Component of Garlic (Allium sativum)
Impact of Plant Spacing on Garlic Rust (Puccinia allii), Bulb Yield and Yield Component of Garlic (Allium sativum)
Imtiaz Ahmed, Muhammad Abbas Khan, Noorullah Khan, Naveed Ahmed, Abdul Waheed, Fazal Yazdan Saleem, Sajjad Khan and Sohail Aslam
ABSTRACT
Garlic rust is caused by pathogen (Puccinia allii) that severely hinders the productivity of Alliaceae family. Experiment was conducted to determine the optimum plant spacing in order to abate garlic rust and maximize garlic crop yield. The experiment was carried out in RCB design with three replications; garlic cultivar (china) and three levels of intra-row spacing (10, 15 and 20 cm) were included in the study. Data regarding disease occurrence, disease severity, plant height (cm), bulb weight (g), bulb diameter (mm), clove weight (g), number of cloves bulb-1 and yield (t ha-1) was measured. The result of the study reveals that plant spacing had significant impact on the occurrence of rust disease and its severity, yield and yield components. Plants with 10 cm spacing had more disease incidence and severity (79 and 55.66% respectively). Plants with 20 cm spacing had more Bulb weight (99.33 g), Bulb diameter (67.33 mm), clove weight (11.65g) and no of cloves per bulb (12.5); whereas taller plants (54 cm) and maximum bulb yield of 12.85 t ha-1 was recorded in those plots planted with 10 cm spacings. While the highest unite price of Rs. 300 kg-1 (Rs. 3.315 m ha-1) was received from those garlic which were obtained from 20 cm spacing as against the lowest market price of Rs. 225 kg-1 (Rs. 2.891 m ha-1) received from those garlic obtained from10 spacing. To achieve high market price, good quality garlic production and free from rust disease it is suggested to plant garlic crop in 20 row spacing.
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