An agronomic investigation to study the response of various mustard varieties to different irrigation scheduling treatments through critical growth stage approach was conducted during Rabi season of year 2019-20 at IFS research Unit farm in Banda University of Agriculture and Technology, Banda (U.P.-210001). The experiment was laid out in strip plot design with three replications. Four irrigation scheduling treatments [viz. I0: No Irrigation, I1: One Irrigation at Rosette stage, I2: One Irrigation at Pod formation and I3: Two Irrigations (1st at Rosette + 2nd at Pod Formation)] were allocated to horizontal plots; whereas two mustard varieties (viz. NRCHB-101 and PM-28) were sown in vertical plots. Higher yield attributing characters at different crop stages and at harvest viz. pod plant-1, pod length, grain pod-1 and test weight and yield (grain yield, straw yield, biological yield and harvest index) along with crop water use efficiency were recorded under treatment irrigating the crop with two times during rosette and pod formation. Similarly maximum gross return (93759 INR ha-1), net return (65238 INR ha-1) and benefit cast ratio (2.29) were recorded under two irrigations (1st at Rosette + 2nd at Pod Formation). NRCHB-101 was observed maximum yield attributing characters and yield in compared to PM-28.
A field experiment was conducted to find out the Effect of two concentrations of GA3 and NAA and their combinations on growth and yield of brinjal (Solanum melongena L.) cv. Kashi Sandesh. The experiment was laid out in Randomized Block Design with three replications and nine treatments. Higher growth attributing characters viz. maximum plant height (71.14 cm), number of leaves per plant (71.65), number of branches (12.77), Days to 50% flowering (43.12) and yield & yield attributing characters, viz,. number of fruit per plant (16.17), fruit length (11.66 cm), fruit weight (180.48 g), fruit diameter (9.48 cm), fruit yield (2.91 kg/plant), fruit yield (29.22 kg/plot), fruit yield (383.95 q/ha) were recorded under T8- NAA + GA3 (40 ppm + 50 ppm). Similarly, maximum net return (421750.86 Rs/ha) and B:C ratio (2.73) were recorded under T8- NAA + GA3 (40 ppm + 50 ppm) followed by treatment T7- and T6. T9- Control was produced poor performance among all the treatments.
A diallel scheme excluding reciprocal was adopted in okra to generate 45 F1 hybrids in Rabi season 2020 and the hybrids along with 10 parents were evaluated using a randomized complete block design (RCBD) in Kharif 2020. The additive components (D) of genetic variance was found to be highly significant for days to first flowering, days to 50% flowering, node at first flower appear, number of branches per plant and plant height (cm) at harvesting. The estimates of dominant components Ĥ1, Ĥ2 and ĥ2 were evaluated. Ĥ1 and Ĥ2 were highly significant for all the characters. Dominance components (ĥ2) were found in few characters viz. days to first flowering, number of fruit per plant, fruit weight, fruit length, fruit diameter, 100 seed weight, fruit yield per plant and fruit yield quintal per hectare suggested the role of dominance components for these traits. Near about fifty percent traits was showed significant value in environment component. The average degree of dominance was more than one for all the characters showed over dominance.
The quality of soil and water, as well as the preservation of biodiversity, are negatively impacted by intensive agricultural systems. High biodiversity regulates how intercropping evolves. Contrastingly, monocultures are used in intensive agriculture systems, along with substantial inputs of chemical fertilizers and pesticides. One strategy for boosting diversity in an agricultural ecosystem is intercropping. Intercropping systems improve environmental harmony, increased resource use efficiency, enhance the quantity and quality of goods, and less damage from pests, diseases, and weeds. Leguminosae family plants are preferable for intercropping even though they fix more biological nitrogen, thus enriching soil fertility. Intercropping is significant in many subsistence or low-input/resource-limited agricultural systems, which are on the periphery of modern intensive agriculture. Thus, opting for suitable combinations of crops with an optimum row ratio will be more profitable, ecologically sound, and economically viable.
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