Life history traits of Panonychus ulmi on mulberry (Morus multicaulis) determined under ambient conditions; the temperature and relative humidity were same as that in natural conditions in three seasons of 2012. Developmental time from egg to adult for female and male varied from 12.66-23.24 and 10.62-18.65 days, respectively. Total and daily egg production was highest during summer (34.00 and 4.68 eggs, respectively) followed by spring (27.33 and 3.60 eggs) and lowest during autumn (17.80 and 1.87 eggs). Panonychus ulmi completed its life span in 19.07 and 21.76 days for male and female, respectively during summer and took more than one and half times during autumn. All parameters were intermediate during spring compared to highest during summer and least during winter. Intrinsic rate of natural increase (r m) were 0.091, 0.147 and 0.051 dayG 1 during spring, summer and autumn seasons, respectively. Mean generation time (T o) of the population ranged from 18.01 days during summer to 30.80 days during autumn. Based on the observed demographic parameters during three seasons, it is concluded that the summer season with average temperature of 25.72°C is highly favorable for development of P. ulmi.
Jasmine being cultivated throughout India, its production/ largest area is concentrated in Tamil Nadu and Karnataka states. India stands next to Egypt and Morocco in Jasmine Concrete Production with >15 tons per annum. Modern Knowledge has accepted Jasmine as Persian origin, distribution pattern of 72 Jasminum spp. across India suggests, India may be the primary home which has its mention in the 500 BC Tamil literature and 7th to 3rd BCE Ramaynam mythological literature. In Karnataka, a number of Jasminum spp. are being cultivated throughout the state of which Mysuru Mallige, Udupi Mallige and Hadagali Mallige are being unique and are largely concentrated in the respective and adjoining districts. Government of India has registered these three jasmine cultivars with Geographical Indication tag under the Intellectual Property Rights. Though the demand for these GI crops is on increase, the area and production is declining slowly. Here is an attempt to compile the updated knowledge on genetic resources of Jasminum spp. with focus on the heritage crop of Mysuru- ‘Mysuru Mallige’.
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