Arbuscular Mycorrhizal Fungi (AMF) and NPK Fertilisation rate on the growth of soursop (Annona muricata L.) seedlings


Citation

Jaafar N. M., . and Nursyahidah R., . and Zaharah S. S., . and Muharam F. M., . and Nadiah N. S. H., . Arbuscular Mycorrhizal Fungi (AMF) and NPK Fertilisation rate on the growth of soursop (Annona muricata L.) seedlings. pp. 147-159.

Abstract

Soursop (Annona muricata L.) has been increasingly cultivated in Malaysia. In view of the importance of the crop there is a need to understand the effects of agronomic management such as NPK fertiliser application and the inoculation of arbuscular mycorrhizal fungi (AMF) on soursop growth and nutrient uptake. Therefore this study aimed to determine the effects of AMF and fertiliser on the growth and nutrient uptake of soursop seedlings. The experiment was conducted under glasshouse condition in UPM Serdang Selangor Malaysia using completely randomised design (CRD) with five treatments which comprised AMF inoculations with full and half dose of NPK 15:15:15 fertilisation. The treatments were: T1- Control (without AMF and NPK fertiliser); T2- AMF only; T3- AMF with 50 NPK fertiliser; T4- AMF with full amount (100) NPK fertiliser; and T5- full amount (100) NPK fertiliser only (without AMF). Plant growth soil microbial population AMF development nutrient status of the plants and soils were determined after the 8th week of planting. Soursop seedlings grown in soils treated with 100 NPK 15:15:15 fertiliser (T5) had the highest chlorophyll content root volume N uptake and soil N and K. Surprisingly inoculation of AMF (T2) had similar effects to that of NPK 15:15:15 fertiliser (T5) on plant P uptake. Mycorrhizal spore production even at low numbers (66 spores/10 g soil) indicated probable symbiotic interaction with soursop seedling roots at the nursery stage.


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Abstract

Soursop (Annona muricata L.) has been increasingly cultivated in Malaysia. In view of the importance of the crop there is a need to understand the effects of agronomic management such as NPK fertiliser application and the inoculation of arbuscular mycorrhizal fungi (AMF) on soursop growth and nutrient uptake. Therefore this study aimed to determine the effects of AMF and fertiliser on the growth and nutrient uptake of soursop seedlings. The experiment was conducted under glasshouse condition in UPM Serdang Selangor Malaysia using completely randomised design (CRD) with five treatments which comprised AMF inoculations with full and half dose of NPK 15:15:15 fertilisation. The treatments were: T1- Control (without AMF and NPK fertiliser); T2- AMF only; T3- AMF with 50 NPK fertiliser; T4- AMF with full amount (100) NPK fertiliser; and T5- full amount (100) NPK fertiliser only (without AMF). Plant growth soil microbial population AMF development nutrient status of the plants and soils were determined after the 8th week of planting. Soursop seedlings grown in soils treated with 100 NPK 15:15:15 fertiliser (T5) had the highest chlorophyll content root volume N uptake and soil N and K. Surprisingly inoculation of AMF (T2) had similar effects to that of NPK 15:15:15 fertiliser (T5) on plant P uptake. Mycorrhizal spore production even at low numbers (66 spores/10 g soil) indicated probable symbiotic interaction with soursop seedling roots at the nursery stage.

Additional Metadata

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Item Type: Article
AGROVOC Term: Soursop
AGROVOC Term: Annona muricata
AGROVOC Term: Seedlings
AGROVOC Term: Plant cultivation
AGROVOC Term: Fertilizer application
AGROVOC Term: Npk fertilizers
AGROVOC Term: Inoculation
AGROVOC Term: Mycorrhizae
AGROVOC Term: Growth
AGROVOC Term: Microorganism counting
Depositing User: Mr. AFANDI ABDUL MALEK
Last Modified: 24 Apr 2025 00:54
URI: http://webagris.upm.edu.my/id/eprint/9342

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