Author(s):

Shweta Konnur, Umesha K, Maruthi Prasad BN, Shivashankara KS, Dayamani KJ, Shivanna M and Patil SV

Abstract: Garden rue (<em>Ruta graveolens</em> Lin.) belonging to the family Rutaceae is one of the important medicinal plants whose whole herb is a rich source of rutin, used to cure various ailments like kapha, vata, fever, flatulence and fresh herb acts as scorpion and insect repellent. Rue oil is used for the preparation of perfumes and many products like rue gel, rue tea and capsules. Indiscriminate use of chemical fertilizers and pesticides will have deteriorating effect on physical, chemical and biological properties of the soil. It is pertinent to increase the productivity of herb and medicinally important chemical constituents without hazardous chemical residues through integrated nutrient management. A field experiment was conducted during <em>kharif,</em> 2017<strong>-</strong>2018 at College of Horticulture, UHS Campus, GKVK, Bengaluru to study the effect of organic and inorganic sources of nutrients on growth and yield of garden rue<em>. </em>Five organic sources (Farm yard manure, <em>Azospirillum,</em> <em>Azotobacter</em>, AM and Arka Microbial Consortium) were applied singly and in combination with the recommended dose of inorganic fertilizers and compared with the control. Among the different treatments, 75 per cent RDF + <em>Azotobacter </em>+ <em>Azospirillum</em> + AM @ 10 kg per ha recorded maximum plant height (62.60 cm), number of branches (16.40), stem girth (17.48 mm), early flowering (126.02 days) and fresh weight per plant (239.78 g), fresh weight per hectare (19.38 t). Hence, it is possible to increase both productivity and quality of raw material by integrated nutrient management practices in garden rue.

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