during two continuous years 2017-18 and 2018-19 to examine the effect of different silicon and boron sources on fruit quality and shelf life of mango cv. Sonpari under South Gujarat conditions. The experiment was laid out in a Completely Randomized Design with factorial concept having ten treatment combinations comprising five levels of silicon and two levels of boron. The first foliar spray was given at full bloom stage and second at pea stage of mango fruits. Result from the study is revealed that use of foliar spray of potassium silicate @ 1.5% (S3) improved fruit quality of mango with respect to higher value of total soluble solids (21.62 ºBrix), reducing sugars (5.70%), non-reducing sugars (9.99%), total sugars (15.69%) and maximum shelf life of fruits (17.33 days) with minimum acidity content (0.146%) in pooled analysis. Likewise, foliar spray of boric acid @ 1.2g L -1 (B2) also gave significantly higher TSS, reducing sugars, non-reducing sugars, total sugars, ascorbic acid, total carotenoid content and enhancing shelf life with minimum acidity content of mango fruits cv. Sonpari. Combined spray of potassium silicate @ 1.5% + boric acid @ 1.2g L -1 (S3B2) improved reducing sugars and total sugars with minimum acidity content of fruits.
during two continuous years 2017-18 and 2018-19 to assess the effect of different silicon and boron sources on fruiting and yield of mango cv. Sonpari under South Gujarat conditions. The experiment was laid out in a Completely Randomized Design with factorial concept having ten treatment combinations comprising five levels of silicon and two levels of boron. Foliar spray of potassium silicate @ 1.5% (S3) was found better with respect to maximum fruit retention (4.14%), higher number of fruits at marble (11.05) and harvest (1.91) stages per panicle, higher number of fruits per tree (182.00) and yield (64.62kg/tree). Similarly, foliar spray of boric acid @ 1.2g L -1 (B2) gave maximum fruit retention (4.08%), number of fruits at marble (10.56) and harvest (1.78) stages per panicle, number of fruits per tree (172.80) and yield (60.94kg/tree). In interaction effect, combined spray of potassium silicate @ 1.5% + boric acid @ 1.2g L -1 (S3B2) gave maximum number of fruits per panicle at marble and harvest stages.
A field experiment was conducted during 2018-19 to study the effect of phosphorus, FYM and biofertilizer on nutrient content in soil before and after harvest of summer greengram. There were twelve treatments comprising of three phosphorus levels [Control (P0), 20 kg P2O5 ha -1 (P1) and 40 kg P2O5 ha -1 (P2)] combined with two FYM levels [control (F0) and 5 t FYM ha -1 (F1)] along with two levels of biofertilizer [control (B0) and PSB inoculation (B1)]. Phosphorus applied in the form of SSP and PSB as seed inoculation. The experiment was laid out in factorial RBD with three replications. The recommended dose of N was applied uniformly to all the treatments. Residual availability of P increased due to phosphorus and PSB inoculation. Major and micro nutrients availability in soil was increased due to FYM treatment after harvesting. Organic carbon content was favourably influenced by FYM treatment. Interaction of P x F x B had synergistic effect on residual availability of P.
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