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Exploitation of pearl millet germplasm for identification of low grain phytate containing parental line
Get PDFThe present study was carried out to identify low grain phytate containing pearl millet parental lines amongst advanced inbred lines and designated B-line (counterpart of CMS lines) . A total number of 92 lines (46 each of inbreds and designated B line) were grown in a randomized block design with two replications during kharif-2013 and 33 selected (14 inbreds and 19 designated B-lines) from kharif-2013 were grown in kharif-2014 as well. Analysis of variance indicated significant differences between the tested genotypes during both the seasons. the phytate content varied from 4.45 to 6.80 mg/g and 1.31 to 6.19 mg/g during kharif-2013 in advanced inbred lines and designated B-lines respectively. Almost similar results were observed during kharif-2014, except the like with 1.31 mg/g phytate content during kharif-2013 was not stable and in kharif -2014, the phytate content for this line was 6.87 mg/g. Since none of the genotype screened showed low phytate content, therefore a large number of breeding lines are needed to be tested to know their genetic potential for low phytate
Record of insect pollinators on the inflorescence of Murraya koenigii in Rajasthan
Get PDFObservations were recorded on the insect pollinators visiting the blossom of Murraya Koenigii in April-May. Flowers are white, funnel shaped with terminal cymes. Flower serves as nectar and pollen resource for the insect pollinators. Three species of order Lepidoptera and five species of order hymenoptera were recorded during the present study
Relative susceptibility of mothbean, Vigna aconitifolia varieties to sucking pests
Get PDFA filed experiment was conducted to screen relative susceptibility of nine mothbean, Vigna acobitifolis varieties against two major sucking pests’ viz. jassid and whitefly. It was observed that MBS 803 and RMO 4-1-6-09 were less susceptible while RMO-225 and CZM-2 were highly susceptible and remaining cultivars were moderately susceptible to jassid. Varieties VMB101 and MBS605 were found to be less susceptible while CZM-2 and RMO 3-5-70 were highly susceptible and remaining cultivars were moderately susceptible to while fly
Effect of integrated nutrient management on fruit quality of pomegranate cv. Ganesh
Get PDFA field experiment was conducted with integrated nutrient management treatments on 5 year old pomegranate cv. Ganesh. Total treatment combinations were seventeen viz, T1-Recommended dose of NPK i.e. 500 : 200: 500 g NPK/plant, T2- Vermicompost (10 kg/plant) + Neem cake (5 kg/plant) +Karanj cake (5 kg/plant), T3-Vermicompost (10 kg plant) + 50% NPK, T4-Vermicompost (10 kg/plant) + 50% NPK + PSB (20 g/plant), T5-Vermicompost (10 kg / plant) + 50% NPK + Azotobacter (20 g/plant), T6-Neem cake 5 kg + 50% NPK ), T7- Neem cake 5 kg + 50% NPK + PSB (20 g/plant), T8-Neem cake 5 kg + 50% NPK + Azotobacter (20 g/plant), T9-Karanj cake (5 kg / plant) + 50 % NPK, T10-Karanj cake (5 kg / plant) + 50% NPK + PSB (20 g/plant), T11- Karanj cake (5 kg / plant) + 50% NPK + Azotobacter (20 g/plant), T12-Vermicompost (10 kg) + Neem cake 5 kg + 25% NPK, T13- Vermicompost (10 kg) + Neem cake (5 kg) + 25% NPK + PSB (20 g/plant), T14-Vermicompost (10 kg) + Neem cake (5 kg) + 25% NPK + Azotobacter (20 g/plant), T15-Vermicompost (10 kg) + Karanj cake (5 kg / plant) + 25% NPK, T16-Vermicompost (10 kg) + Karanj cake (5 kg / plant) + 25% NPK + PSB (20 g/plant) and T17- Vermicompost (10 kg) + Karanj cake (5 kg / plant) + 25% NPK + Azotobacter (20 g/plant). Result revealed that combination of vermicompost @ 10 kg + 25 per cent recommended dose of NPK + 5 kg Neem cake+ PSB 20g per plant significantly increased the quality components of pomegranate fruits in terms of TSS (16.95 ◦ Brix) , TSS acid ratio (41.62), ascorbic acid (14.39 mg/100 g), total sugar (14.24%) and organoleptic score (8.51) as well as leaf and soil nutrient status as compared to recommended dose of NPK (500g : 200g: 500g)
Climate variability during flowering and fruiting reduces fruit yield of ber (Ziziphus mauritiana) in Western Rajasthan
Get PDFThe arid regions of western Rajasthan have multiple environmental adversities besides low and erratic rainfall. The region also faces frequent drought and often with failure of annual crops. Indian jujube or ber is perennial drought hardy multipurpose fruit species suitable for these areas which fits well in the integrated farming system. Recent years have witnessed climatic variability especially in post monsoon season usually with rise in temperature and decline in relative humidity. An insight into the post monsoon weather data from 2015-17 have revealed definite change in these parameters which led to decreased fruit set and ultimately reduction in total fruit yield. Early varieties like CAZRI Gola and Gola maintain higher yield even under climatic variable situation. Climate change being a global issue calls for immediate adaptive measures such as modification in microclimate and rescheduling the pruning to minimize the adverse impact of climatic variability
Screening and identification of Piper species as rootstocks resistance against the root knot nematode under glasshouse condition
Get PDFA study was conducted to evaluate the reaction of different Piper species to root knot nematode (Meloidogyne incognita) and the nematode reproduction were studied in the nematode infested pot culture experiment. Three Piper species viz., Piper colubrinum, Piper argyrophyllum and cultivated Piper nigrum varieties of IISR Sakthi, IISR Thevam, Panniyur-1 and Karimunda were screened. In this study, seven rootstocks were evaluated for resistance based on the growth of pepper cuttings and resistance indexes to Meloidogyne incognita, which were surveyed 45 days after inoculation with M. incognita. The observation was recorded viz., nematode soil population (200 cc), number of galls, number of egg mass, number of females, gall index. All the Piper species show varying degree of response. Out of seven rootstocks used in this experiment IISR Sakthi were found to be highly resistant, Piper colubrinum, IISR Thevam and Karimunda resistant to root knot nematode and these cultivars can be used as a source of resistance. Black pepper (Piper nigrum L.), in particular, suffer extensive damage due to root-knot nematodes, and only a few wild species are known to be resistant. Grafting of cultivated plants to rootstocks of known resistant Piper species rootstocks could be an effective method to resolve this problem