No abstract

Urtica dioica is the flowering herbaceous perennial plant of family Urticaceae distributed globally but commonly considered as a weed in agricultural production. Stinging nettle is one of the emerging plant which has number of medicinal, curative value along with serving as the food and nutritional value in the house of people living below the poverty line. Despite of its million benefit it does not gain much popularity as it deserve. In agricultural production it is considered as weed so removed from the main field. However if the plant is planted in collaboration with other plants it fulfill both nutritive value and serve the main plant with low infestation of disease as pest as stinging nettle avoid the closeness of insect pest as it consist of thorn and also possess host plant resistance characteristics. The plant is only famous in the local rural level and still number of research is to be carried out to transform the globally distributed weed to marketable plant so as to finalize its medicinal value.

The experiment was conducted at the end of July in NHRC, Khumaltar (1332 masl) located at Longitude 27.6485o N and Latitude 85.3253o E situated at Province no. 3, Lalitpur, Nepal in 2077/04/18 to 2077/04/28. The experiment was carried out in Randomised Complete Block Design (RCBD) with four treatments and five replications. The genotypes Trishuli, Chaumase, Semi Light Long and Semi Long Green Bean were used as treatment. Phenotypic traits like Plant Height, Days to maturity, Number of node at harvest in main stem, Flower colour, No of pod per plant at harvest, Dry pod colour, Single pod weight at harvest, pod length, Seed yield per plant, Seed weight per pod, 1000 seed weight, Moisture %, Seed weight per plant(gm), seed weight per pod after drying per plant (gm), seed weight after drying were taken. Plant height was highest in Semi long ligh which is 332 cmt and lowest in Trishuli which is 294.48 cm. Total number of seed was found highest in Semi Long Green 8.6 and least in Trishuli 7. The highest yield was found in Trishuli 2.69 ton/ha followed by Chaumase 2.56 ton/ha, Semi long green 2.33 ton/ha, and the lowest was seen in Semi Long Light 1.51 ton/ha.

Pesticides are applied to protect crops from insects, weeds, and bacterial or fungal diseases during the growth. There would be a 78 percent loss of fruit output, a 54 percent loss of vegetable production, and a 32 percent loss of cereal production if pesticides were not used. When pesticides are applied to a target plant, they have the potential to enter the environment where they can affect non target organisms. Concerns have also been raised about pesticide currently uses and its impact on the environment with the possibility for hazardous or carcinogenic residues. This review paper provides basic information about the general types of pesticide in use and the role of pesticides in agriculture with its impact in environmental components. Int. J. Appl. Sci. Biotechnol. Vol 10(2): 75-83.

Background: Mushroom is a typical fungi having spore bearing fruiting bodies without chlorophyll in them. Due to its high nutritive and medicinal value, it is being popular among the public. Methods: The research was conducted in laboratory condition of Mahendra Gram Secondary School, Bhaktapur; under control environmental condition to evaluate primordial formation and yield analysis of oyster mushroom Pleurotus florida using different sterilization techniques from March to July 2020. Result: Earlier primordial formation was visualized in chemical method and higher yield was obtained from steaming method of sterilization. However, boiling method showed harsh result for all parameters as primordial formation, fruiting and yield. But still number of researches should be conducted for the exact evaluation of the yield performance.