Effect of arbuscular mycorrhizal fungi on early growth, root colonization, and chlorophyll content of North Maluku nutmeg cultivars

IF 1.8 Q2 AGRICULTURE, MULTIDISCIPLINARY
Wawan Sulistiono, Himawan Bayu Aji, Sigid Handoko, Jonathan Anugrah Lase, Suryanti Suryanti, Yayan Apriyana, Molide Rizal
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Abstract

Abstract This study aimed to investigate the agronomic traits of nutmeg transplanting by arbuscular mycorrhizal fungi (AMF) inoculation. The low-fertility soil of Sofifi North Maluku was subjected to a slow early growth stage of nutmeg cultivars. A completely randomized design was used in the experiment. The first factor was three different AMF doses: 0, 4, and 8 g seedlings −1 . The second factor consisted of three cultivars: “Ternate 1,” “Tobelo 1,” and “Makian.” Root colonization and agronomic traits were measured 28 weeks after inoculation and transplantation. Results showed that AMF inoculation increased the AM colonization by 2.5–39.0%, significantly increased the leaf area (LA) ( p < 0.01) in all cultivars, and interacted with cultivars to increase chlorophyll a ( Chl a ) ( p < 0.05), chlorophyll b ( Chl b ) ( p < 0.01), and total Chl ( p < 0.01). Cultivars “Makian” showed the highest Chl (188.4%) at 8 g seedling −1 doses of AMF that were significantly ( p < 0.01) different from the cultivar “Tobelo 1” at the same dose. The largest mycorrhizal response was found in the cultivar “Ternate 1” (biomass increase of 30–37.0%). The cultivar “Ternate 1” produced the largest LA (36.7–106.9%) and shoot dry weight (27.8–45.8%) that were significantly ( p < 0.01) different from the other cultivars. The percentage of AM colonization was strongly determined ( R 2 = 0.88) by Chl a , Chl b, and K content in leaves. This technology is a breakthrough to increase LA and plant biomass in the early growth stage of nutmeg cultivation.
丛枝菌根真菌对北马鲁古肉豆蔻品种早期生长、根系定植和叶绿素含量的影响
摘要本研究旨在探讨接种丛枝菌根真菌(AMF)移栽肉豆蔻的农艺性状。北马鲁古Sofifi的低肥力土壤是肉豆蔻品种生长缓慢的早期阶段。实验采用完全随机设计。第一个因素是三种不同的AMF剂量:0,4和8g幼苗−1。第二个因子包括三个栽培品种:“Ternate 1”、“Tobelo 1”和“Makian”。接种移栽28周后测定根定植和农艺性状。结果表明,接种AMF后,AM定植量增加2.5 ~ 39.0%,叶面积(LA)显著增加(p <0.01),并与品种相互作用使叶绿素a (Chl a)升高(p <0.05),叶绿素b (Chl b) (p <0.01),总Chl (p <0.01)。品种“马根”在8 g幼苗- 1剂量的AMF处理下Chl最高(188.4%),显著(p <0.01),在相同剂量下与品种“托贝罗1号”差异显著。菌根响应最大的品种是“Ternate 1”,生物量增加了30-37.0%。品种“Ternate 1”的LA(36.7-106.9%)和地上部干重(27.8-45.8%)最大,显著(p <0.01),不同于其他品种。叶片中Chl a、Chl b和K含量对AM定植率有显著影响(r2 = 0.88)。该技术是提高肉豆蔻栽培生长早期LA和植物生物量的突破。
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来源期刊
Open Agriculture
Open Agriculture AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
3.80
自引率
4.30%
发文量
61
审稿时长
9 weeks
期刊介绍: Open Agriculture is an open access journal that publishes original articles reflecting the latest achievements on agro-ecology, soil science, plant science, horticulture, forestry, wood technology, zootechnics and veterinary medicine, entomology, aquaculture, hydrology, food science, agricultural economics, agricultural engineering, climate-based agriculture, amelioration, social sciences in agriculuture, smart farming technologies, farm management.
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