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Subject: Fruit Science ×

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Now showing 1 - 9 of 78
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    ThesisItemOpen Access
    EFFECT OF PLANT GROWTH REGULATORS ON YIELD AND QUALITY OF GUAVA (Psidium guajava L.) CV. SARDAR
    (MPKV, Rahuri, 2024) Giri Shubhangi Ramesh; Magar, S.D.
    The yield parameters like number of fruits (93.48), average fruit weight (175.68 g), yield per tree (16.40 kg/tree) recorded maximum in T3 i.e., GA3 @ 50 ppm at 30 and 60 DAF and physical parameters like fruit length (7.73 cm), fruit diameter (7.40 cm), pulp percent (95.75 %), 100 seed weight (3.38 g) and pulp: seed ratio (23.72) also found maximum, seed percent (3.69 %) found minimum and low acidity (0.57 %) whereas TSS (11.58 °Brix) was found maximum in T5 i.e., 2,4-D @ 20 ppm at 30 DAF. The quality of fruit in terms of vitamin-c, total sugars, non-reducing sugars and pectin were found non-significant. From overall observations of all the treatments of plant growth regulators it can be concluded that treatment T3 i.e., GA3 @ 50 ppm at 30 and 60 DAF showed better performance for yield and yield contributing traits. Hence, the application of GA3 @ 50 ppm at 30 and 60 DAF could beneficial for yield improvement in guava.
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    ThesisItemOpen Access
    REJUVENATION OF OLD AND SENILE CUSTARD APPLE (Annona squamosa L.) ORCHARD CV. BALANAGAR
    (MPKV, Rahuri, 2023) Suryawanshi Sunayana Vijaysing; Deore, S.B.
    An investigation entitled “Rejuvenation of old and senile custard apple (Annona squamosa L.) orchard cv. Balanagar” was undertaken with objective to study the effect of rejuvenation of custard apple on growth, yield, quality and disease and pest incidence. The experiment was conducted during the year 2022 and 2023 on 32-years-old and senile custard apple orchard at All India Coordinated Research Project on Arid Zone Fruits, Mahatma Phule Krishi Vidyapeeth, Rahuri, Dist. Ahmednagar. The field trial was laid out in randomized block design with six treatments replicated four times. The observations were recorded for mortality, days to sprout, number of shoots, days to flowering, leaf area, days to first crop, number of fruits per tree, fruit length, fruit diameter, fruit weight, yield per tree, TSS, acidity, stony fruit, fruit grade, colletotrichum intensity and fruit fly incidence.
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    ThesisItemOpen Access
    ENERGY AND GREENHOUSE GAS BUDGETING OF GUAVA AND POMEGRANATE ORCHARDS IN A SEMI-ARID REGION OF MAHARASHTRA
    (MPKV, Rahuri, 2023) Lambate Satyajit Nanasaheb; Dhemre, J.K.
    The present investigation entitled "Energy and Greenhouse Gas Budgeting of Guava and Pomegranate Orchards in a Semi-Arid Region of Maharashtra" was conducted at ICAR-NIASM, Malegaon, Baramati, Pune, Maharashtra from October 2022 to June 2023. The study aimed to assess the energy usage, greenhouse gas (GHG) emissions, biomass and carbon sequestration, GHG budgeting, and economic indices associated with guava and pomegranate orchards in the surveyed regions. Field surveys and face-to-face interviews were conducted with 100 farmers (50 each) in the Indapur, Baramati, Malshiras, Pune, and Solapur districts of Maharashtra. Questionnaires were used to gather information on the inputs used in guava and pomegranate cultivation. The collected data was then used to calculate GHG emissions, energy budgeting, biomass and carbon sequestration, GHG budgeting and economic indices using standard coefficients and formulas provided by various researchers.
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    ThesisItemOpen Access
    VEGETATIVE PROPAGATION OF GRAPEVINE THROUGH AIR LAYERING
    (MPKV, Rahuri, 2023) Wagh Ram Bhaskar; Jadhav, S. B.
    The present study was conducted on "Vegetative propagation of grapevine through air layering" at ICAR-National Research Centre for Grapes, Pune, Maharashtra during 2022-23. For this research trial, 6-7 months old vines of Dogridge rootstocks spaced at a spacing of 3m × 1.8m, established during 2022-23 were used and on these plants well matured and healthy pencil thickness active shoots of cv. Thompson seedless were selected and grafted. After the success of the graft, healthy plants were selected for layering. The experiment was laid out in a Factorial Randomized Block Design with two factors viz., time of air layering i.e., 15th October, 30th October, 15th November, 30th November and IBA and NAA concentrations i.e., IBA (2500 ppm), IBA (2500 ppm) + NAA (250ppm), IBA (3000 ppm), IBA (3000 ppm) + NAA (250ppm) and Control. The results revealed that time of layering exhibited a significant effect on the rooting behavior of layers, final survivability and establishment of detached layers, growth of established layers, biochemical parameters of rooted portions of layers. The minimum number of days taken for initiation of roots (50.60 days), maximum rooting percentage (78.67%), maximum length of the root (8.18cm), maximum diameter of the root (2.94 mm), maximum root dry matter (18.36%), maximum root volume (6.24 cm3), minimum number of days required for the establishment of grafted layers (14.80 days), maximum percentage of final establishment of detached layers (91.20%), maximum number of new shoots per planted layer (6.93), maximum length of the secondary shoot of the layer (4.84 cm), maximum layer height (48.58 cm), maximum leaf area (53.15 cm), maximum total carbohydrates (133.4 mg/g), maximum total soluble protein (5.04 mg/g) was noted when layering was performed on the 30th October, while the maximum number of roots (40.60), maximum percentage of layers showing secondary roots (97.33%), maximum length of shoot per planted layer (12.52 cm) was observed when layering was performed on 15th October and the maximum number of roots (40.60) and maximum layer girth (1.00 cm) was noted when layering was performed on 15th November. Also, the results revealed that the significant effect of various concentrations of IBA and NAA on the rooting behavior of layers, final survivability and establishment of detached layers, growth of established layers, biochemical parameters of rooted portions of layers.
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    ThesisItemOpen Access
    POST HARVEST STUDIES IN BANANA (Musa paradisiaca L.) CV. GRAND NAINE
    (MPKV, RAHURI, 2023) Bhadke Trupti Ghanshyam; Joshi, V.R.
    The present investigation on “Post harvest studies in banana (Musa paradisiaca L.) cv. Grand Naine” was conducted during June 2021 and November 2021 at the Laboratory of Postharvest Technology, Department of Horticulture, MPKV., Rahuri, Dist. Ahmednagar. The present research study included two experiments. In both the experiments, the design followed was completely randomized design with factorial concept with two replications per treatment
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    ThesisItemOpen Access
    EFFECT OF NUTRITION AND PACKAGING MATERIAL IN HIGH DENSITY PLANTING OF MANGO (Mangifera indica L.) CV. KESAR
    (MPKV, Rahuri, 2023) Bhosale Shubham Shankar; Dhakare, B.B.
    The present investigation entitled “Effect of nutrition and packaging material in high density planting of mango (Mangifera indica L.) cv. Kesar” was conducted at Instructional cum Research farm and at Laboratory of Post-Harvest Technology, Department of Horticulture, MPKV., Rahuri Dist. Ahmednagar during the year 2019-20 and 2020-21. The aim of this investigation was to study the effect of nutrient application and packaging material on yield, quality and shelf life of mango cv. Kesar. The investigation was laid down with two experiments.
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    ThesisItemOpen Access
    Studies on improvement of local, old Mango Orchard through top working.
    (MPKV, Rahuri, 2013) Jadhav Satish Balkrishna; Patil, R.S.
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    ThesisItemOpen Access
    GENETIC VARIATIONS IN PHYSIOLOGICAL RESPONSES TO DROUGHT IN CLUSTER BEAN (Cyamopsis tetragonoloba L.) GENOTYPES
    (MPKV, Rahuri, 2023) Mane Mayur Tukaram; Chandanshive, A.V.
    The present investigation entitled “Genetic Variations in Physiological Responses to Drought in Cluster bean (Cyamopsis tetragonoloba L.) Genotypes” was carried out during Kharif-2021 to study physiological responses of cluster bean to drought and to assess genetic variations among cluster bean genotypes for drought tolerance. The experiment was laid out in Completely Randomized Design with three replications under greenhouse conditions. Experimental material consisted 25 cluster bean genotypes including one check Phule Guar. Drought stress was imposed 40 DAS by withholding water for 12 days followed by re-watering in order to assess recovery capacity from drought.
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    ThesisItemOpen Access
    ASSESSMENT OF BIOCHEMICAL CHANGES DURING FRUIT GROWTH AND DEVELOPMENT OF CUSTARD APPLE (Annona squamosa L.) Cv. BALANAGAR AND PHULE JANAKI
    (MPKV, Rahuri, 2023) Appasab Kambagi; Deore, S.B.
    The present investigation on “Assessment of Biochemical Changes During Fruit Growth and Development of Custard Apple (Annona squamosa L.) Cv. Balanagar and Phule Janaki” was undertaken at All India Coordinated Research Project on Arid Zone Fruit Crops, Department of Horticulture, Mahatma Phule Krishi Vidyapeeth, Rahuri, Dist. Ahmednagar during the year 2021- 2022. Biochemical changes were examined from peanut size to maturity and at ripening stage in custard apple cultivars Balanagar and Phule Janaki at an interval of 15 days.