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Abstract. This paper discussed the development of an expert system to diagnose pests and diseases on fruit plants. Rule base method was used to store the knowledge from experts and literatures. Control technique using backward chain and started from the symptoms to get conclusions about the pests and diseases that occur. Development of the system has been performed using software Corvid Exsys developed by Exsys company. Results showed that the development of this expert system can be used to assist users in identifying the type of pests and diseases on fruit plants. Further development and possibility of using internet for this system are proposed.

If injury (I) of stored commodities becomes a unit of measurement of quality damage (D), the two terms need not be distinguished. It is proposed that the location aspect of sampling of I and D parameters may help to introduce an "I-D concept" into the storage and marketing of crop commodities, thereby potentially increasing field and storage economic injury level equations (EILs). The injury of stored commodity should be estimated in the store and damage to the marketable-commodity should be measured after stocking it out of the store. The harvest or stocking-out corrective interface provides farmers with an opportunity to convert quality damage caused by injurious organisms into quantity damage. Non-injurious biological contamination without any weight loss can be identified. This may lead to higher pest tolerance (non-zero EIL) during the storage of a commodity. Non-zero tolerance generally creates much more favourable conditions for accepting biological control and partial crop resistance for the management of pests of stored products and other product-quality sensitive types of agricultural environment.

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Eco Friendly Emergency Alert System (EFEAS) is a home security system that aims to help residents to get emergency response assistance when a threat enters their home. EFEAS is developed using a microcontroller, android application and solar panel devices. Microcontroller is used to develop a main device of EFEAS that functions to activate siren, send SMS, switch electrical power from solar panels to conventional source or vice versa, and communicate with an android smartphone. Android application is developed and used to connect the android smartphone to the system. This system will activate sirene, send alerts and the location of the house when the panic button pushed by the user. With the implementation of this system residents are expected to be able to get faster handling when there are hazardous conditions in the house. This system developed can achieve the objective of being able to be operated using an Android smartphone to control all components within the system with 100% successful rate to send SMS within 13 seconds and 100% successful rate to switch between solar panel and adaptor.