Relationship of soil abiotic factors with population abundance and vertical distribution of root lesion nematode in robusta coffee plantation
Relationship of soil abiotic factors with population abundance and vertical distribution of root lesion nematode in robusta coffee plantation
Mutala’liah, S. Indarti † and N. S. Putra
ABSTRACT
This research was undertaken with the aim to know the abundance and vertical distribution of Pratylenchus sp.
influenced by soil abiotic factors and coffee plant varieties in three fields. The research was conducted in
Malangsari, Getas and Candiroto feilds. Samples of soil and roots were collected and various parameters of soil
abiotic factors (pH, soil moisture, soil temperature, soil texture and organic matter) were obtained from each of the
three fields. Vertical distribution was assessed using two soil sample depths (30 cm and 50 cm). This research
showed that the highest population abundance of Pratylenchus sp. both from soil and roots was in Candiroto field
with BP 42 variety i.e. 27 nematodes per 100 ml of soil and 60 nematodes per 10 g of roots, respectively.
Relationship between pH and soil temperature with population abundance was negative correlation whereas soil
moisture and organic matter had positive correlation. Vertical distribution of Pratylenchus sp. in all fields on
Excelsa coffee, BP 308 and BP 42 variety were detected in < 30 cm depth, whereas in 50 cm depth only detected on
BP 308 variety in Malangsari Field. The abundance of Pratylenchus sp. was mostly influenced by soil moisture,
soil texture and variety.
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December 2017
Pakistan Journal of Nematology, Vol. 35, Iss. 2, Pages 113-216
