Effect of Humic acid on growth and yield of three cultivars of summer squash (Cucurbita pepo L.)

2017 ◽  
pp. 1
Author(s):  
Kamal Esho
Keyword(s):  
Humic Acid ◽  
Cucurbita Pepo ◽  
Growth And Yield ◽  
Summer Squash

scholarly journals Effect of Organic Manures and Chemical Fertilizers on the Growth, Yield and Quality Traits of Summer Squash (Cucurbita pepo L.)” cv. Punjab ChappanKaddu

2021 ◽  
pp. 142-152
Author(s):  
Amandeep Kaur ◽  
Puja Rattan
Keyword(s):  
Cucurbita Pepo ◽  
Male Flower ◽  
Fruit Yield ◽  
Chemical Fertilizer ◽  
Soluble Solids ◽  
Growth And Yield ◽  
Recommended Dose ◽  
Chemical Fertilizers ◽  
Organic Manures ◽  
Summer Squash

The present investigation was conducted during 2019 at DAV University, Jalandhar, to find out the effect of organic manures and chemical fertilizers on the growth and yield of summer squash (Cucurbita pepo L.) cv. Punjab Chappan Kaddu. The experiment consisted of eleven treatments and three replications. Out of these, an application of 25% of the recommended dose of chemical fertilizer + vermi-compost 15t/ha (T8) had a beneficial effect on minimum days to the first female flower (74.67 days), minimum days to the first fruit set (76.33), minimum days to the first fruit harvest (78.33). The maximum plant height (122.85cm) was recorded in 25% of the recommended dose of chemical fertilizer + FYM 25t/ha (T5). 75% of the recommended dose of chemical fertilizer + EM (Effective Micro-organism) Bokashi 2.5q/ha (T9) resulted in minimum days to male flower appearance. The maximum sex ratio (0.38), was obtained with the application of 50% of the recommended dose of chemical fertilizer + EM Bokashi 3q/ha (T10). The maximum number of pickings (26) and number of fruit per plant (9.85) were obtained with the application of 50% of the recommended dose of chemical fertilizer + EM Bokashi 3q/ha (T10). The maximum fruit yield per plant (2.20 kg), fruit yield per plot (26.26 kg), fruit yield per ha (405.57q) were recorded with the application of 50% of the recommended dose of chemical fertilizer + vermi-compost 15t/ha (T7). The maximum Total Soluble Solids (TSS) (2.40B°) were recorded with the application of 75% of the recommended dose of chemical fertilizer + FYM 20t/ha (T3) while, the ascorbic acid was maximum (52.50 mg/100g) when 25% of the recommended dose of chemical fertilizer + vermi-compost 15t/ha (T8) were applied. The highest net returns and benefit: cost (4.5) were obtained when 50% of recommended dose of chemical fertilizer + FYM 25t/ha (T4) was applied.

scholarly journals Transplant Age Influences Summer Squash Growth and Yield

HortScience ◽  
1993 ◽  
Vol 28 (6) ◽  
pp. 618-620 ◽  
Author(s):  
D.S. NeSmith
Keyword(s):  
Leaf Area ◽  
Yield Components ◽  
Cucurbita Pepo ◽  
Field Experiments ◽  
Dry Weight ◽  
Growth And Yield ◽  
Summer Squash ◽  
Yield And Yield Components

Greenhouse and field experiments were conducted to determine the influence of transplant age on growth and yield of `Dixie' and `Senator' summer squash (Cucurbita pepo L.). Dry weight and leaf area measurements indicated that 28- to 35-day-old greenhouse-grown transplants grew more slowly after transplanting than plants that were 10, 14, or 21 days old. Older transplants flowered earlier; however, earlier flowering did not result in higher early yields. Transplants of varying ages did not differ greatly in yield and yield components in the field, although all transplants had higher early yields than the directly seeded controls. Results from these experiments suggest that 21 days may be a reasonable target age for transplanting summer squash. If transplanting were delayed by adverse planting conditions, 21-day-old transplants would likely have at least a 10-day window of flexibility before yields would be reduced notably by additional aging.

THE EFFECT OF SALINITY OF IRRIGATION WATER AND SPRAYING BY HUMIC ACID IN SOME OF MORPHOLOGICAL, PHYSIOLOGICAL PROPERTIES, GROWTH AND YIELD OF WHEAT (Triticum aestivum L.)

2020 ◽  
pp. 1-12
Author(s):  
E. K. Al-Fahdawe ◽  
A. A. Al-Sumaidaie ◽  
Y. K. Al-Hadithy
Keyword(s):  
Humic Acid ◽  
Plant Height ◽  
Irrigation Water ◽  
Saline Water ◽  
Block Design ◽  
Nitrogen Concentration ◽  
Dry Weight ◽  
Growth And Yield ◽  
Biological Yield ◽  
Phosphorus And Potassium

A pots experiment was conducted at the Department of Biology/College of Education for Girls/University of Anbar during Autumn season of 2018-2019 to study the effect of the salinity irrigation water and spray by humic acid in some of morphological, physiological, growth and yield traits of wheat cv. IPa. The experiment was randomized complete block design (RCBD) with three replications. The first factor was assigned for irrigation by saline water at four level (S0, S1, S2 and S3), while the second factor was the foliar spraying of humic acid in three level (0.0, 1.0 and 1.5 g l-1). The results showed that there was significant reduction in plant height, vegetative dry weight, biological yield and chlorophyll leaves content when the plants were irrigated by saline water approached to 41.09 cm, 0.747 g, 0.849 g plant-1 and 38.67 SPAD, respectively at salinity level of 8.3 ds m-1 compared with the plants which irrigated by fresh water. The total carbohydrates were significantly decreased at the treatment of 8.3 ds m-1 reached 18.71 mg g-1. Spray levels humic acid achieved a significant increase in plant height, dry weight of the vegetative part, biological yield and chlorophyll leaves content sprayed at 1.0 and 1.5 g l-1 compared to no sprayed. Nitrogen concentration was significantly increased, while both phosphorus and potassium were decreased in the vegetative parts of wheat as the salinity of irrigation water increased. However, the increase of humic acid levels led to significant increasing in nitrogen, phosphorus and potassium concentration.

scholarly journals A comprehensive RNA-Seq-based gene expression atlas of the summer squash (Cucurbita pepo) provides insights into fruit morphology and ripening mechanisms

BMC Genomics ◽  
2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Aliki Xanthopoulou ◽  
Javier Montero-Pau ◽  
Belén Picó ◽  
Panagiotis Boumpas ◽  
Eleni Tsaliki ◽  
...  
Keyword(s):  
Gene Expression ◽  
Cucurbita Pepo ◽  
Developmental Stages ◽  
Lateral Roots ◽  
Expression Patterns ◽  
Male Flower ◽  
Differentially Expressed ◽  
Gene Expression Atlas ◽  
Summer Squash ◽  
Expression Atlas

Abstract Background Summer squash (Cucurbita pepo: Cucurbitaceae) are a popular horticultural crop for which there is insufficient genomic and transcriptomic information. Gene expression atlases are crucial for the identification of genes expressed in different tissues at various plant developmental stages. Here, we present the first comprehensive gene expression atlas for a summer squash cultivar, including transcripts obtained from seeds, shoots, leaf stem, young and developed leaves, male and female flowers, fruits of seven developmental stages, as well as primary and lateral roots. Results In total, 27,868 genes and 2352 novel transcripts were annotated from these 16 tissues, with over 18,000 genes common to all tissue groups. Of these, 3812 were identified as housekeeping genes, half of which assigned to known gene ontologies. Flowers, seeds, and young fruits had the largest number of specific genes, whilst intermediate-age fruits the fewest. There also were genes that were differentially expressed in the various tissues, the male flower being the tissue with the most differentially expressed genes in pair-wise comparisons with the remaining tissues, and the leaf stem the least. The largest expression change during fruit development was early on, from female flower to fruit two days after pollination. A weighted correlation network analysis performed on the global gene expression dataset assigned 25,413 genes to 24 coexpression groups, and some of these groups exhibited strong tissue specificity. Conclusions These findings enrich our understanding about the transcriptomic events associated with summer squash development and ripening. This comprehensive gene expression atlas is expected not only to provide a global view of gene expression patterns in all major tissues in C. pepo but to also serve as a valuable resource for functional genomics and gene discovery in Cucurbitaceae.

scholarly journals Age-related Resistance of Diverse Cucurbit Fruit to Infection by Phytophthora capsici

2009 ◽  
Vol 134 (2) ◽  
pp. 176-182 ◽  
Author(s):  
Kaori Ando ◽  
Sue Hammar ◽  
Rebecca Grumet
Keyword(s):  
Cucumis Melo ◽  
Cucurbita Pepo ◽  
Citrullus Lanatus ◽  
Phytophthora Capsici ◽  
Vegetable Production ◽  
Age Related ◽  
Cucumber Fruit ◽  
Summer Squash ◽  
Pronounced Reduction ◽  
Green Stage

Phytophthora capsici causes severe losses in vegetable production, including many cucurbit crops. Our previous work showed that cucumber (Cucumis sativus) fruit are most susceptible to P. capsici when they are very young and rapidly elongating, but develop resistance as they approach full length at 10 to 12 days postpollination (DPP). In this study, fruit from seven additional cucurbit crops representing four species, melon (Cucumis melo), butternut squash (Cucurbita moschata), watermelon (Citrullus lanatus), and zucchini, yellow summer squash, acorn squash, and pumpkin (Cucurbita pepo), were tested for the effect of fruit development on susceptibility to P. capsici. Field-grown fruit of the different crops varied in overall susceptibility. Zucchini and yellow summer squash were the most susceptible, with the majority of fruit exhibiting water-soaking symptoms within 24 hours postinoculation. Fruit from all of the crops exhibited size-related decrease in susceptibility, but to varying degrees. Cucumber had the most pronounced effect. In infested fields, cucumber fruit were found to be most frequently infected at the blossom end. Comparison of the peduncle and blossom end showed a difference in susceptibility along the length of the fruit for cucumber, butternut squash, and zucchini. Greenhouse-grown, hand-pollinated pumpkin, acorn squash, and butternut squash showed an age-related decrease in susceptibility similar to field-grown fruit. For all of these fruit, a pronounced reduction in susceptibility accompanied the transition from the waxy green to green stage at ≈3 to 8 DPP.

scholarly journals Application of Humic Acid and Arbuscular Mycorrhizal Fungi to Increase Growth and Yields of Soybean in Ultisol

2020 ◽  
Vol 3 (2) ◽  
pp. 56-64
Author(s):  
Rahayu Arraudah ◽  
Yudhy Harini Bertham ◽  
Hesti Pujiwati ◽  
Bambang Gonggo Murcitro ◽  
Entang Inoriah Sukarjo
Keyword(s):  
Humic Acid ◽  
Arbuscular Mycorrhizal Fungi ◽  
Mycorrhizal Fungi ◽  
Agricultural Land ◽  
Block Design ◽  
Arbuscular Mycorrhizal ◽  
Growth And Yield ◽  
Two Factors ◽  
Soybean Plants ◽  
Research Stage

Soybean is one of the most popular food crops for the community, but the needs for soybeans have not been fulfilled by soybean production. To meet the needs of soybeans, it is necessary to intensify agricultural land in Ultisol. This study aims to obtain the optimum concentration of humic acid and dosage of the Arbuscular Mycorrhizal Fungi (AMF) to increase soybean plants' production in Ultisols. This research was conducted from January to April 2020 in Beringin Raya Village, Muara Bangkahulu District, Bengkulu City, at an altitude of 10 m above sea level. The research design used a Randomized Complete Block Design (RCBD) two factors with three replications, arranged factorially in experimental units. The first factor is the concentration of humic acid, consisting of 4 levels: 0, 15, 30, and 45 mL L-1 . The second factor is the dose of AMF, consisted of 3 levels, namely: 0, 2.5, and 5 g plant-1. The results showed that the maximum soybean growth and yield in Ultisols were obtained from the humic acid concentration at 45 mL L-1 at the dose of AMF at 2.5 g plant-1 . The resulting production potential is 1.99 tons ha-1 . The administration of humic acid or AMF independently at this research stage had not yet given a maximum response to the growth and yield of soybean in Ultisol.

scholarly journals Effect of Organic Amendments on Growth, Nutrient Uptake Pattern and Yield of ginger (Zingiber officinale Rosc.)

2020 ◽  
Vol 107 ◽  
pp. 1-4
Author(s):  
Chitra R ◽  
◽  
Vinothini L ◽  
Keyword(s):  
Humic Acid ◽  
Nutrient Uptake ◽  
Tamil Nadu ◽  
Growth Parameters ◽  
Phosphorus Uptake ◽  
Great Influence ◽  
Growth And Yield ◽  
High Yield ◽  
Organic Manures ◽  
Neem Cake

The high yield of ginger is function of adequate and timely supply of plant nutrients. Among the various agronomic technologies influencing the production of ginger, nutrition is found to exert a great influence on growth and yield of ginger. Imbalance, low or no fertilizer application is one of the most important factors in obtaining the poor yield. Hence, the trial was taken to study the effect of organic manures (FYM, neem cake, vermicompost, Azospirillum) and biostimulants (panchakavya, humic acid and PPFM) on growth, yield and nutrient uptake of ginger at Department of Spices and Plantation Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore. The growth parameters like plant height, number of leaves, number of tillers and leaf area were found to be higher in the plants fed with 50% N (FYM) +25% N (Neem cake) + 25% N (Vermicompost) + Azospirillum (5kg/ha) + Panchakavya (3%). The maximum green rhizome yield (23.55 t ha-1) was obtained with the application of 50% N (FYM) +25% N (Neem cake) + 25% N (Vermicompost) + Azospirillum (5kg/ ha) + Panchakavya (3%) per hectare. The highest uptake of nitrogen (119.06 kg ha-1) and potassium (197.56 kg ha-1) was found in the application of 50% N (FYM) +25% N (Neem cake) + 25% N (vermicompost) + Azospirillum (5kg/ ha) + panchakavya (3%) per hectare The maximum amount of Phosphorus uptake (14.35 kg ha-1) was recorded in the application of 50% N (FYM) +25% N (neem cake) + 25% N (vermicompost) + Azospirillum (5kg/ha) + humic acid (0.1%). In ginger cultivation, the application of organic manures and inorganic fertilizers commonly practiced to increase the yield and quality of rhizome. Considering the world demand for organic food, the improvement of soil health, productivity and the availability of local resources, cultivation under organic farming can be encouraged. Keywords: Bio-stimulants; Growth parameters; Ginger; Nutrient uptake; Organic manures; Yield

scholarly journals Foraging Preference of Giant Honeybee, Apis dorsata F., to Selected Horticultural Crops

2006 ◽  
Vol 27 ◽  
pp. 87-92 ◽  
Author(s):  
KR Neupane ◽  
DD Dhakal ◽  
RB Thapa ◽  
DM Gautam
Keyword(s):  
Raphanus Sativus ◽  
Cucurbita Pepo ◽  
Citrus Limon ◽  
Apis Dorsata ◽  
Flowering Period ◽  
Late Flowering ◽  
Horticultural Crops ◽  
Summer Squash ◽  
Foraging Preference ◽  
Bottle Brush

Foraging preference of giant honeybee, Apis dorsata Fab. to selected horticultural crops, litchi, Litchi chinensis Sonner, lemon, Citrus limon (Lin.) Burm. f., bottlebrush, Callistemon citrinus (Curtis) Skeels, cucumber, Cucumis sativus Lin., radish, Raphanus sativus Lin., and summer squash, Cucurbita pepo L., was studied during their blooming time at IAAS, Rampur, Chitwan, Nepal, 2001. The flowering of all six species of experimental plants started in the first week of March and lasted for two months with a peak flowering from 15 March to 5 April. Foraging preference of bees at 7.30, and 11.00 am and 3.00 pm and 5.30 pm during early, mid and late periods of flowering was assessed. Honeybees foraging at different times of day during early, mid and late flowering periods differed significantly. The highest mean number (8.04/min/m2) of A. dorsata workers was recorded on bottle brush flowers at 7.30 am during early flowering period followed by litchi, summer squash and the lowest (0.25/min/m2) on citrus at 5.30 pm during late flowering period. The bees never visited to the flowers of radish and cucumber. Pollen was preferentially collected from bottlebrush, summer squash and citrus in the morning and nectar from litchi and bottlebrush flowers throughout the day. Pollen foragers spent less time (2.9±1 sec/flower) and visited more flowers (17.9±6/min) when bees collected both pollen and nectar from the same plant. The number of outgoing and incoming foragers were the highest (59.0±14, 44.0±15/min/colony) at 7.30 am during mid flowering period and the lowest (17.6±7, 17.0±2/min/colony) at 5.30 pm during late flowering period, respectively. Key words: Foraging preference, Apis dorsata, horticultural crops J. Inst. Agric. Anim. Sci. 27:87-92 (2006)

Sign in / Sign up

Export Citation Format

Share Document