Abstract:The present investigation was undertaken to study the effect of different concentrations of Indole 3-butyric acid (0, 2000, 4000, 8000 and 10000 ppm), different types of rooting media (i.e. sphagnum moss, coco peat, vermicompost, sphagnum moss + coco peat and sphagnum moss + coco peat + vermicompost) and the interaction of these in different combinations on rooting and growth characteristic of guava, cv. L-49. The results revealed that the exogenous application of Indole 3-butyric acid (IBA) 8000 ppm with media combination of sphagnum moss + coco peat + vermicompost (I 3 M 5 ) significantly increased the root characters i.e. success percent of air-layers (83.3 %), callus formation (23.7), number of primary roots (24.21) and secondary roots (32.57); and growth characters i.e. number of leaves (48.17), branches (7.92) and sprouts (8.48) and survival percentages (83.18) over the other treatments and control. Among the rooting media, the combination of sphagnum moss + coco peat + vermicompost (M 5 ) produced the highest rooting percentage (71.27), root characters and growth characters during months of July and August.
An intercropping trial was conducted on 7-years old mango cv. DASHEHARI orchard planted at spacing of 7.0 m x 7.0 m spacing and growing under rainfed medium black clay loam of average fertility and well drained soil to identify the suitable and profitable intercrops. The intercrops were grown with different intercropping systems like mono, companion and sequential are pigeon pea, tomato, cluster bean, okra, black gram, soybean, cowpea, maize, mustard, coriander and bengal gram. The results of two years of investigation indicated that number of fruits was maximum in mango with companion intercropping system of pigeonpea + soybean followed by sequential intercropping system of cowpea-bengal gram did not differ significantly. Fruit length, fruit diameter and fruit weight was also highest with companion intercropping system of pigeon pea + soybean closely followed by sequential intercropping system of cowpea-bengal gram. Fruit quality of mango did not significantly differ among the intercrops treatment. Highest net return was calculated from mango + (pigeonpea + tomato) combination (Rs. 81077.50) followed by mango + cowpea-bengal gram (Rs. 71677.13) and mango + tomato (Rs. 67034.38). Nitrogen concentration in the orchard soil was improved due to growing of leguminous crops while phosphorus and potassium were depleted in all the cases.
Malwa Plateau is nontraditional area of grapes and the investigations was conducted at experimental field of AICRP on Fruits (Grapes), College of Horticulture, Mandsaur from year 2014-15 to 2017-18 for popularizing the grapes cultivating area and exploring the climatic condition of the region for coloured table grapes cultivation (hot day and cold night up to March -April with low humidity). There were ten grapes varieties under the evaluation study, i.e.
The present experiment was conducted at Barrister Thakur Chhedilal College of Agriculture and Research Station, Bilaspur, Indira Gandhi Krishi Vishwavidyalaya, Raipur (C.G.) during Kharif season 2020-21. Entitled with “ Response of Nano N, Zn and Cu application on growth and yield of scented rice” including nano fertilizer nutrients with recommended dose of fertilizer 60:40:30 NPK kg ha-1. The experiment was presented in Randomized Block Design with three replication . The treatments was consisted of eigth treatments viz., Result revealed that treatment T8 (100 % PK + 50% N + 2 spray of nano N + Cu + Zn @ 4 + 2 + 2 ml liter-1 of water at 25 and 50 DAP), resulted the highest plant height, number of effective tillers at harvest , number of tillers per meter length at harvest, grain yield (32.83 qha-1), straw yield (66.51 q ha-1). Which was significantly superior over other treatments but was at par with T6 (100% PK + 50% N + 2 spray of nano N + Zn @ 4 + 2 ml liter-1 of water at 25 and 50 DAP ) with (28.91 qha-1) grain yield closely followed by the treatment T7, T5,T3.
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