Identification of Morpho-Physiological Characters Determining Yield in Cashew Nut

ESTATE CROPS NEWS – Cashew productivity in Indonesia is still low, due to improper cultivation technique and the use of unimproved varieties. Crop yield is determined by several morpho-physiological characters such as leaf area, leaf thickness, the number of stomata, the rate of photosynthesis, chlorophyll content, relative water content (RWC), and leaf osmotic potential.

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Potency of Endophytic Bacteria of the Bitter King

ESTATE CROPS NEWS – Endophytic bacteria live within healthy plant tissue and play important roles, such as producing compounds of plant growth regulators substances such as IAA, GA3, and Cytokinin. The aims of this research is to evaluate the potential of endophytic bacteria to promote the growth, andrographolide content, and dry matter yield of king […]

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Population Dynamic of Lice Green Scales and Aphids Population on Three Varieties of Arabica Coffee

ESTATE CROPS NEWS – One of the main constraints on the growth of coffee seedlings in the greenhouse is pests lice green scales (Coccus viridis) and Aphids (Aphids gossypii) that can inhibit the growth of plants. Competition in utilizing nutrients can cause the attacked plants to become more severe, even some plants to be dead. […]

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Optimization and Evaluation of Cryopreservation Method of Pruatjan

ESTATE CROPS NEWS – Optimization and evaluation of cryopreservation methods should be conducted to obtain standard protocol for long term conservation of pruatjan. The objective of this study was to evaluate the effect of combined treatments of pregrowth, preculture, and recovery media to the survival and regeneration rate of in vitro shoots and embryogenic calli […]

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Screening of Cotton Lines (Gossypium hirsutum L.) Tolerance to Drought at Germination Stage with PEG-6000

ESTATE CROPS NEWS – Cotton production areas in Indonesia are arable land with lack of water availability. The aim of this study was to obtain cotton lines tolerant to drought using PEG-6000 at germination stage. The experiment was conducted at the Seed Testing Laboratory in Indonesian Sweetener and Fiber Crops Research Institute, from April to […]

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Silicon (Si): Beneficial Element for Sugarcane (Saccharum officinarum L.)

ESTATE CROPS NEWS – Silicon (Si) is one of the most abundant elements in the earth’s crust, but it is mostly inert and only slightly soluble and available to plants. Source of Si in the earth are minerals and biogenic pools.  Sugarcane is known to absorb more Si than any othermineral nutrient, with the potential […]

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Variability and Improvement of Processing Method for Several Types of Local Sliced Tobaccos in The Growing Areas

ESTATE CROPS NEWS – Tobacco (Nicotiana tabaccum L.) is grown in fourteen provinces of Indonesia including Nangroe Aceh Darusalam (NAD), North Sumatera, West Sumatera, Jambi, South Sumatera, Lampung, West Java, Central Java, East Java, Bali, West Nusa Tenggara (NTB), East Nusa Tenggara (NTT) and South Sulawesi, with varied processing methods. The method used is influenced […]

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Resistance of Cocoa to Black Pod Disease (Phytophthora palmivora Butl.)

ESTATE CROPS NEWS – The increase of cocoa production faces many problems such as black pod disease caused by Phytophthora palmivora. The disease may reduce the production of cocoa up to 44%. Control of the disease by chemical fungicides is costly and creates negative impact to humans and environment. Utilizing plant material which is resistant […]

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Prospect of Peatland Utilization for Oil Palm Plantation in Indonesia

ESTATE CROPS NEWS – Development of oil palm (Elaeis guenensis L.) plantations, has been proven to be able to increase people’s income, and has driven the region’s of economic growth in the centers of oil palm development. Utilization of peatlands for plantations will lead to high emissions of Greenhouse Gases (GHG) emissions, especially CO2 emissions. […]

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Serological and PCR Detection of Virus(es) Associated with Mosaic Sumptoms on Patchouli Plant (Pogostemon cablin Benth)

ESTATE CROPS NEWS – Mosaic symptoms on patchouli plant are associated with several viruses, i.e. Potyvirus, Potexvirus, CMV, and BBWV2. The objective of the study was to detect virus(es) associated with mosaic symptoms on patchouli at the the patchouli seed nurseries, in Manoko, Cicurug, and Cijeruk. Thirty leaf samples either showing typical symptomatic mosaic or […]

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