Canopy spread

A study was conducted on GI tagged Tezpur litchi (Litchi chinesis Sonn.) varieties at litchi garden, Porua, Tezpur and on a litchi variety at Experimental Farm, Department of Horticulture, Assam Agricultural University, Jorhat during 2016-2018 to have a morphological studies of Tezpur litchi. A total of seven varieties i.e., Bombay, Shahi, Piyaji, China, Bilati and Elaichi from Tezpur and Shahi from Jorhat district with four replications were laid out in a Completely Randomized Design (CRD).

9p chauchaungayxua11 23-03-2021 12 2   Download

An investigation was laid out in cashew research station under AICRP on cashew Ranasinghapur, Bhubaneswar, Khurda during the year 2015-2017, to study the variability in biometric parameters of thirty land races of cashew such as plant height, plant girth, canopy spread in east –west and north-south direction, canopy area and Yield in Bhubaneswar condition. It was found that the plant height varied from 3.47m in RP-6 to maximum of 7 m in Tapanga, The girth of plant was maximum in RP-3(95.40) cm and significantly superior to all treatments and minimum was recorded in RP-6 is (46.50 cm).

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An investigation was carried out at cashew research station under AICRP on cashew Ranasinghapur, Bhubaneswar, Khurda, during the year 2015-2017, to study the variability in thirty land races of cashew. It was found that, the heritability was highest in canopy area per m2 (99.82%) and minimum was recorded in canopy spread north-south (61.54%). The genetic variability with heritability gives a reliable picture of the genetic advance to be expected for the selection.

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An experiment was carried out during 2017-18inHorticulture Research Station, Bhubaneswar under Department of Fruit Science & Horticulture Technology, College of Agriculture, Orissa University of Agriculture & Technology to find out the effect of pruning and plant growth regulator like GA3, IAA, NAA, 2,4-D on plant growth and fruit yield rejuvenated sapota plant.

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A field experiment was conducted to evaluate the impact of NPK application of different RDF levels on growth and yield of guava cv. Hisar Safeda. The treatment combinations consist of five levels of RDF i.e. RDF (60%), RDF (80%), RDF (100%), RDF (120%) and RDF (140%) during 2015-16 and 2016-17. Among the different treatments RDF (120%) was optimum for plant height, plant girth and canopy spread (E-W) and (N-S). Similarly, in terms of fruit set (58.46%), fruit retention (68.51%), number of fruits, fruit weight (104.47 g) and fruit yield (55.79 kg/tree) was best with RDF 120%.

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A field experiment was conducted in the guava orchard of a progressive farmer, Barehi, Allahabad Road, Rewa (M.P.) during 2015 and 2016 to study the integrated nutrient management (INM) on growth, yield and economics of guava. The INM treatment T13 (50% NPK (RDF) + 25 kg FYM + 5 kg vermicompost /tree gave maximum plant and canopy height, spread (E-W and N-S), plant girth, leaf length and width and tree volume.

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The highest plant height (133.84 cm), primary branches (13.29), canopy spread (38.37 cm), leaves (41.90) and fruit yield per plot (970.24 kg) till 120 DAT was recorded by the var. Abhinav. Planting density at 60 cm x 60 cm (S2) recorded significantly the highest number of primary branches (13.48) and canopy spread (38.43 cm) followed by 75 cm x 40 cm (S3).

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The present study was conducted to inspect the effect of Grewia optiva Drummond based traditional agrisilviculture system on productivity of Vigna mungo. The crown spread of trees and distance from tree trunk was considered for quantifying effect of integration on the crop growth and production. Radial transects at right angle to each other were drawn for studying various growth and yield parameters at 1m, half the crown radius, perimeter of crown radius and outside the canopy (control) by plotting quadrat of 1×1 m2.

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An experiment was conducted to find out the effect of organic and inorganic sources of fertilizers along with bioinoculants on growth, yield and quality of aonla cv. NA-7 during 2016 and 2017. Maximum increment in vegetative parameters viz., increment in plant height (10.92%), plant spread (13.91% NS and 13.88% EW) and canopy volume (40.32%) was recorded with the application of cent per cent nitrogen through urea and Azotobacter with recommended dosage of SSP and MOP. Yield parameters viz., fruit length (4.52 cm), fruit diameter (5.24 cm), fruit weight (48.56 g), fruit volume (47.

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Chickpea is a cool season pulse and suffers severe yield losses when exposed to higher temperatures during reproductive phase. Stable chickpea production will depend on the release of new cultivars with improved adaptation to drought and high temperature. Twenty five breeding lines of two crosses JG 11 x JG 14 and JAKI 9218 x JG 14 were assessed under timely and late sown situations. High variability was observed for majority of the traits in both the seasons.

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High density planting is a highly efficient and advanced production system of fruit cultivation. High yield and good fruit quality can be achieved with a high density orchard in guava when the orchard has good light distribution throughout the tree canopy and there is a balance between vegetative growth and cropping. To know the effect of high density planting and different mulches on growth and yield of mango (Mangifera indica L.) cv.

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In recent years, a large number of guava orchards have become chronically affected by bronzing because of imbalanced nutrient management. Hence, the experiment on effect of foliar application of secondary and micronutrients on major growth parameters viz., plant height (cm) and plant canopy spread (m2) of Guava cv. Allahabad Safeda is carried out at Regional Horticultural Research and Extension Centre, Bengaluru during August 2014 to March 2015 with fourteen treatment combinations which are replicated thrice. The results showed that the application of RDF + foliar spray of Zn + Mg + Mn @ 0.

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The effects of pruning months (mid-April, mid-May and mid-June) and pruning severity (pruning of 25%, 50% and 75% of shoot length from tip) on growth and yield of guava cv. L- 49 planted at a spacing of 6 m x 6 m at Fruit Research Farm, Department of Fruit Science, College of Horticulture, Pasighat, Arunachal Pradesh during April 2017 to December 2017, with an aim to optimize the time of pruning and intensity of pruning for harvesting of winter guava crop.

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The present investigation were undertaken to evaluate the intergeneric population of Carica papaya (Arka Surya) and Vasconcellea cauliflora for PRSV tolerance. The morphological traits viz., plant height at flowering (60 to 172 cm), plant height at first harvest (127 to 194 cm), stem circumference at flowering (14 to 30cm), stem circumference at first harvest (26.

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The field experiment was conducted on Influence of different levels and concentration of micronutrients on growth and yield of Jamun (Syzygium cumini Skeels.) The treatment combination of 0.50% ZnSO4 + 0.20% Boron has recorded maximum increment in plant height (53.57 cm), plant spread in N-S direction (48.47 cm) and E-W direction (49.40 cm). Maximum stem height (0.44 m), canopy height (4.44 m), inter nodal length (2.80 cm), number of new flushes (256.60), leaf area (74.00 cm2 ), number of panicles per m2 in north (41.90), south (42.67) and west (38.

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Studies were carried out on growth characteristics, stem branching pattern and leaf morphology to reveal the significant differences in male and female plants and development of reliable morphological markers to identify gender even in non-flowering phase. Female plants have spreading growth and weeping canopy whereas male plants have erected growth and divergent canopy.

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