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Journal : Agrocentrum

Analisis Vegetasi dan Identifikasi Kandungan Fitokimia Gulma pada Lahan Tebu (Saccharum officinarum L.): Vegetation Analysis and Potentials Phytochemical Identification of Weed in Sugarcane Fields (Saccharum officinarum L.) Puji Lestari Tarigan; F. Deru Dewanti
Agrocentrum Vol. 1 No. 1 (2023): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v1i1.2

Abstract

Sugarcane is one of the dry land commodities. Biotic and abiotic factors can influence sugarcane growth. Sugar cane can experience disturbances caused by wild plants around it. Weeds are nuisance plants that can decrease sugarcane production. Besides that, the diversity of weeds also has much potential to become a source of food, industry, and medicine. There are 10 species of weeds were found growing at the same time. Through biological identification, it is known that there are 2 types of weeds broad-leaf weeds and narrow-leaf weeds/grasses. Based on observations, the most dominant weed species is Cayratia trifolia. This weed belongs to the broad-leaf type, has a perennial life cycle, and reproduces by root tubers and seeds. Weeds can be controlled effectively using the 0.5% 240SL method. The most appropriate time for weed control in sugarcane is 60-120 hst. In addition, from the literature review, it is known that all weeds have the potential to be used as medicines for human health and also for biological control. So, this really supports science development for advanced use.
Inventarisasi Gulma di Beberapa Lahan Perkebunan Rakyat, Jawa Timur: Inventory of Weeds on Smallholder Farmers Land, East Java Tarigan, Puji Lestari
Agrocentrum Vol. 2 No. 1 (2024): Agrocentrum
Publisher : Agriculture Faculty - UPN "Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/agrocentrum.v2i1.18

Abstract

Plantation crops are plants that can be cultivated for many years to come. East Java has numerous plantation crops, including apples, guava, oranges, cocoa, moringa, and sugarcane. Wild plants are commonly found around crops in plantation areas. Plantation crops are at risk from biotic disturbances caused by these plants, which requires adequate management. Knowing the dominant weeds in the region allows for effective control. Weed dominance is measured using a species IVI (Importance Value Index). The purpose of this study is to investigate how weeds spread throughout each plantation area. The quadrat technique is used to manage inventories. Three samples are collected from each land and measured according to a formula. The dominant weeds in each plantation land are as follows: apple=Cyperus rotundus, guava=Parietaria judaica, orange=Mikania scandens, cocoa=Persicaria odorata, moringa=Muhlenbergia schreberi, and sugarcane=Dactylotenium aegyptium. Control is based on weed groups, namely broad-leaved (Parietaria judaica, Mikania scandenes, and Persicaria odorata), as well as narrow-leaved (Muhlenbergia schreberi), and nutsedge (Cyperus rotundus). Weeds in the land may threaten crops, thus it must be managed. Controls have to conform to its principles so that they may be carried out properly and efficiently.