Growth and yield performance and viral disease screening of Philippine native garlic varieties grown in Bacnotan, La Union, Philippines

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Research Paper 04/08/2023
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Growth and yield performance and viral disease screening of Philippine native garlic varieties grown in Bacnotan, La Union, Philippines

Kevin E. Elias, Eladio E. Camalig Jr.
Int. J. Agron. Agri. Res.23( 2), 1-10, August 2023.
Certificate: IJAAR 2023 [Generate Certificate]

Abstract

The Philippines has been consistently importing most of its domestic garlic demands over the past years. This was due to low local garlic production. The major problem is the low-quality planting materials resulting in low yield per unit area and the speculated viral diseases infected the garlic plants. Hence, the study was conducted to determine the performance of the Philippines’ native garlic varieties in Bacnotan, province of La Union. Specifically, the study aimed to determine the survival rate (%), weight of bulb (g), diameter of bulb (cm), bulb yield (kg) per hectare, bulbil per plant, weight of bulbil (g), bulbil yield (kg) per hectare and identify the virus diseases present in the native garlic varieties. The varieties tested were Ilocos Pink (V1), Romblon (V2), Tan Bolters (V3), Miracle (V4), Ilocos White (V5), Mexican (V6), and Batanes Red (V7). The result showed that Ilocos Pink and Mexican varieties comparably produced the highest survival rate (%) and bulb yield per hectare (kg). Batanes Red variety produced the most bulbil per plant, heaviest bulbil (g), and highest bulbil yield per hectare (kg). Meanwhile, bulbil samples subjected to virus screening tested positive for Allexivirus and Onion Yellow Dwarf Virus (OYDV). The result suggests that farmers in Bacnotan, La Union, Philippines can use Ilocos Pink and Mexican varieties for higher garlic bulb production while Batanes Red for higher bulbil production. However, studies to improve the survival rate and minimize the disease infection should be conducted to improve the quality and quantity of bulb and bulbil production of the native garlic varieties.

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