It also improved the fruit SARDAR 735_43 EFFECT OF HERBICIDES ON GROWTH, WEED INFESTATION AND PHYSIO-BIOCHEMICAL CHANGES IN GUAVA (PSIDIUM GUAJAVA L.) SEEDLINGS The increase of growth, production, and quality of 'Crystal' guava can be done by pruning. (1989). In pruning guava production it is important to consider aspects such as: variety, climate, fertilization, irrigation, etc. The fruit is delicious eaten fresh or in a host of culinary concoctions. Recently, centrifugal training, i.e. Percobaan dilaksanakan mulai Februari sampai Desember 2017, di Kebun Percobaan Cikabayan IPB Bogor. The purpose of this research was to determine the effect of ethylene concentration and ethylene exposure duration to bring out the color on Siam tangerine from Banyuwangi. Compared to the solaxe system, centrifugal training significantly improved the STAR of the whole tree by 20%. It is thus concluded that L-49 was superior among all the commercial cultivars of guava grown under sub-tropic condition followed by Allahabad Safeda and Lalit. The 3D distribution of the foliage in the tree canopy was recreated by combining both the spatial locations of shoots (as measured from 3D digitising) and foliage reconstruction. The present studies on crop regulation in guava (Psidium guajava) cv. 2019 to study the effect of pruning intensity and time on yield and quality of winter guava Guava tree care is simple and easy and with a few basic information, you can grow a healthy plant. eISSN: 2349-5162, Volume 8 | Issue 1 If the assumptions are fulfilled, the data, by a test of the middle value with the sm, The implementation of this study began with the uniformity of 'Crystal' guava plants at 3.0 years, Pruning of leaves is carried out step by step according to the treatment level that has been, population was carried out once every week, application time of pruning has no significant effect (Table 1). pruning of 30 cm of apical shoots during mid May can be recommended for commercial fruit The minimum flowering (232.80) was recorded in M 3 (Pruning of 30th May )guava trees. Canopy pruning is one of the techniques for regulating plant growth. ABSTRAK All rights reserved. a) pruning by leaving 4 pairs of leaves, b) pruning by leaving 8 pairs of leaves, and c) control (without pruning). Guava (Psidium guajava L.) 'Kristal' is one of the fruits that have high economic value in Indonesia. ASE had a similar density of floral spurs (FS=3.2), but twice the density (P < 0.001) of floral terminal buds (FT=3.1; FS+FT=6.3). Increasingpublicawarenessoftheimportanceofconsumingfreshfruitforhealthincrease the market demandforfreshfruit.Butthe highdemandforfreshguavafruitisnotsupported bytheproduction offreshfruiteveryyear.Continueddecliningguavaproductionrequires theimprovementofcultivationtechniquessothat thequalityandquantityofguavafruit increases. quality by increasing TSS, sugars, ascorbic acid and pectin content of guava fruits. 'Scilate' trees from 18 (unmodified) to 5 floral buds/cm2branch cross-sectional area (BCA). Abstrak. (1986). Dosis terbaik pada hasil tanaman mentimun dijumpai pada perlakuan dosis kompos jerami 30 dan 20 ton/ha. For ASE, corresponding gross yields were 25, 30, and 48 kg/tree. 2 2 1979-5777, Induksi pembungaan diluar musim pada tanaman jeruk keprok (Citrus reticulata) Institut Pertanian Bogor, Darmawan M 2014 Induksi pembungaan diluar musim pada tanaman jeruk keprok (Citrus number of fruits per tree and also fruit size, weight and yield. 735_42 effect of naa, flower bud thinning and pruning on crop regulation in guava (psidium guajava l.) cv. Warna kulit buah jeruk siam saat dipanen umumnya hijau. The study was analyzed by using a Randomized Block Design (RBD) with five treatments and five replicates. (2012) have reported beneficial effect of pruning on yield of guava cv Sardar under Ultra high density planting under eastern plateau and hill conditions. The experiment was laid out in Factorial Randomized Block Design. Arrangement of Guava Flowering (Psidium g uajava L. ) ‘Krystal’ through the Application of Different Strangulation Times. Allahabad Safeda under high density planting” were carried out during the period from June, 2012 to January, 2013 at Fruit Research Station (FRS), Sangareddy, Medak district, Dr.YSRHU, A.P. As a possible management to overcome it the present investigation was conducted in The results showed that strangulation treatment was able to accelerate the emergence of flowers and increase the number of generative shoots, the number of flowers per tree and the number of fruits harvested. Effect of pruning intensity and nutrition on quality of guava fruit cv. Lucknow-49. accordance with the research conducted by [4] on red getas guava (getas merah guava) plants. Produksi buah jambu biji ( Psidium guajava ) yang bersifat musiman memerlukan teknik pengaturan pembungaan agar dapat tersedia sepanjang tahun. This study aimed to explain the relationship between strangulation time, the period of, Join ResearchGate to discover and stay up-to-date with the latest research from leading experts in, Access scientific knowledge from anywhere. 15,30 and 60 cm. The Best Times to Prune Pineapples & Guavas. J. Interacdemicia. In the following winter, densities (number/cm2 BCA) of spurs (S) and short to medium length annual shoots (T) on unmodified branch units were 8.2 and 2.4 (S+T=10.6), respectively. Without precise control of cropping, these characteristics could limit vegetative growth of young trees and may promote biennial bearing. © 2008-2021 ResearchGate GmbH. Observations observed were plant length, flowering age, number of female flowers, fruit diameter, number of fruit crops, fruit length, fruit crop weight, weight per fruit and yield potential. The observation was carried out from August 2015 until August 2016. Key words: carotenoid, chlorophyll, citrus color index, cooling chamber, tropical citrus the hardness, soluble solid content, titratable acidity and vitamin C. The results showed that the best combination was 200 ppm ethylene concentration for 48 hours ethylene exposure. Mehta et al. improved fruit size and colour, and return-bloom. The majority of the branches when pruning or pruning produce flowers, indistinctly of the practice that is used. not significantly different based on BNT at, affected by pruning treatment. Pengamatan yang diteliti yaitu panjang tanaman, umur berbunga, jumlah bunga betina, diameter buah, jumlah buah pertanaman, panjang buah, berat buah pertanaman, berat per buah dan potensi hasil. Asia Pac J Clin Nutr 2004;13(Suppl):S106.. View abstract. All rights reserved. The effect of three pruning intensities on guava was not detected in 1989. Pruning the Tree Skirt Look for branches that are touching the ground. This investigation was done during two successive seasons (2009/2010 and 2010/2011) on 10 years old seedy guava (Psidium guajva, L) trees planted at 5x5 meters surface irrigationat Mariout Research Station of the Desert Research Center- Alexandria. This study aims to determine the effect of various times of pruning for controlling the flowering of 'Crystal' guava plants. production with enhanced yield and good quality in guava cv. Allahabad Safeda. The pruning treatment on 'Crystal' guava plants can significantly increase the total number of shoots, although the difference in application time of pruning has no significant effect (Table 1). The experiment was conducted from September 2016 to April 2017 at Cikabayan Research Station of Bogor Agricultural University, Dramaga, Bogor, Indonesia (-6.550780, 106.714531). Sarkar A, Ghosh B, Kundu S and Sukul P (2005). Volume 7 Issue 3 Branches that are touching … Penelitian bertujuan mengkaji pengaruh konsentrasi dan durasi pemaparan etilen untuk menstimulasi pigmen jingga dan pengaruhnya terhadap sifat fisikokimia jeruk siam Banyuwangi. Degreening technology by ethylene can improve the citrus peel color becomes uniformly orange. Studies on “Effect of pruning levels and fruit load on growth, yield and fruit quality of guava (Psidium guajava L.) cv. p> ABSTRACT Fruit set%: concerning to pruning treatments, pruning at 10 cm gave highest significant value in both seasons. Jurnal Pengkajian dan Pengembangan Teknologi Pertanian, flowering and harvesting of guava cv 'Krystal'. Different pruning levels and time of pruning viz., pruning 10 cm,20 cm and 30 cm of apical shoots during 30th April, 15 May, 30 May and 15 June comprised the treatment Pruning plays an important role in regulating branching of fruit plants. The design used was a Completely Randomized Design (CRD) with a single factor, namely the pruning time consisting of 4 levels, namely without pruning, pruning in April, pruning in May and pruning in June. Setiap perlakuan diulang lima kali dengan sembilan unit tanaman per ulangan. Pruning was applied after shoot leaves grew fully. Effect of time and severity of pruning on growth and yield of guava (Psidium guajava L.) cv. After exposure, tangerines were put at room temperature condition. Pruning applied in May had the highest, allocation of carbohydrates from source to sink, reduced, the sink organ in the form of fruit g. determine the quality of fruit flavor. Prune the tree lightly in the summer after harvesting the fruit. The present study was conducted to quantify the benefits of centrifugal training on light interception by the fruiting shoots via computer-assisted three-dimensional representations of foliage geometry. The maximum mean number of flower per tree (268.44) was recorded in M 1 (Pruning of 30th April). Gross yields for unmodified trees in the third, fourth, and fifth years from planting were 29, 26, and 50 kg/tree, respectively. Degreening did not give negative impact on i nternal quality. The, Young trees of the recently commercialised apple 'Scilate' (Envy™) appear precocious, have excessive fruit set, and produce naturally large fruit. The study of one (year) indicates that half shoot (50%) pruning significantly influenced cropping pattern of guava. Siam tangerine peel is green when harvested. The research was conducted at Leuwikopo Experimental Garden, levels of treatment, namely without pruning, pruning in April 2017, pruning in May 2017, and pruning, repeated 3 times so there were 24 experim, Tukey test. A field experiment was conducted during 2011-12 to assess the effect time of shoot pruning with different combinations on vegetative growth, flowering and yield attributes in high density planting of guava cv Pant Prabhat. The results indicate that the highest number of flowers is shown by V shape pruning treatment (V) i.e. It has no major pest or disease problems. Degreening is a process to break down green pigment (chlorophyll) on citrus peel chemically and form the orange color (carotene) without affecting internal quality of fruit. Rancangan yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan faktor tunggal yaitu waktu strangulasi yang terdiri dari 4 (empat) taraf, yakni tanpa strangulasi, strangulasi bulan Maret, strangulasi bulan April dan strangulasi bulan Mei. Pruning. Series, treatment can accelerate the time the flower appears 10 d. Pruning is required to stimulate the growth of productive shoots and eliminate unproductive shoots, therefore the management of pruning needs to be, resulted in the appearance of new buds and flowers so. This research intendtodetermine the effectofcroplengthonthe growthoflateralshootsandthe flowering of Crystal guava.ThisresearchwasconductedinDecember2016untilMarch2017at guavaplantation locatedinBentiringSub-ProvinceofBengkuluProvince.ResearchusedRAKLwithone singlefactor.The factorislengthofpruning,whichcomprisedoffourlevels10cm,20cm,30 cm,40cmandcontrol.The resultsofthisstudyindicatedthatthe numberofshootsmost grownonbrancheswith 40cmlongtrimmingof 2.87shoots.Mostflowersaregeneratedon brancheswithcuttinglengthsof30cm,40cm andnottrimmed.Butbrancheswith30cm long cutsexperiencedthe mostnumberoffallenfruitswitha95% percentage ofunshelled branches.Themostfruit isproducedonbranchesthatarenotprunedthatisasmuchas8.7 will fruit.Keyword:Guava Crystals, Long Prune, Lateral Shoots, Flowering. the best pruning on growth and yield of cucumber crops was found in the treatment without pruning and pruning of shoots in the 6-10 segments. Haryana Journal of Horticultural Sciences, 35(3/4), 211-212 Syamal, M.M., & Rajput, C.B.S. Prune strawberry guava to prevent the spread of disease and to shape it, and prune a young tree to train it to grow as a single-trunk tree. India. (2006). the guava orchard of Department of Horticulture, Khalsa College, Amritsar during the year Large trees take several years before they come into bearing and overall cost of production per unit area is further increased. Thinning helps counteract the tree’s dense growth to let light and air in to the inner branches, which helps them stay healthy and … In contrast, ASE lowered (P < 0.001) spur density (S=4.5) but increased (P < 0.01) that of annual shoots (T=3.6; S+T=8.1). Pectin methyl esterase (PME) activity increased progressively in all the cultivars up to HRS and subsequently decreased at FRS. Fruit quality such as total dissolved solids, fruit acidity, and fruit diameter was not affected by pruning treatment. This investigation aimed to study the effect of some pruning treatments: 1- Control (unpruned trees). Hasil penelitian menunjukkan bahwa perlakuan strangulasi mampu mempercepat munculnya bunga dan meningkatkan jumlah tunas generatif, jumlah bunga per pohon, jumlah bakal buah per pohon dan jumlah buah yang dipanen. An experiment was carried out during kharif and rabi seasons of 2014 -15 at College of Horticulture, Udyangiri, Bagalkot to study the effect of time of pruning on growth and yield parameters of guava cv. Pulung. Effect of Pruning Time on Flower Regulation of Guava (, This content was downloaded from IP address on 15/03/2019 at 12:51, Content from this work may be used under the terms of the. The experiment used a completely randomized design with single factor, i.e strangulation times that consisted of control (no strangulation), strangulation in March, in April and in May. The aim of this research was to determine the effect of pruning on vegetative and generative growth, and fruit quality of ‘Crystal’ guava. Pruning Abstract . Data were collected on six 5-year-old apple trees cv.Galaxy, trained either with solaxe or centrifugal training systems, using an electromagnetic 3D digitiser. The yield (total fruit weight and total fruit number) was more significant under light training than medium training, as reflected in 1987 results. Guava Tree Pruning Techniques Three types of cuts are used on guava trees: thinning cuts, heading back, and pinching. the removal of fruiting shoots in the tree centre and on the underside of branches, has been proposed to improve fruit size and colour as well as return-bloom as compared to conventional solaxe-trained trees with equivalent crop loads. The study was undertaken in seven guava (Psidium guajava L.) cultivars at three different developmental stages, viz. There were three treatments i.e. Guava is a popular tropical fruit tree. It does well with minimal pruning and care and typically won't require much irrigation beyond normal rainfall. The seasonal production of guava ( Psidium guajava ) requires flowering manipulation technique such strangulation in order to be available throughout the years. Sarker A and Ghosh B (2006). Lucknow-49 was undertaken at Horticultural College and Research Institute, Periyakulam during 2016-2017.The experiment consists of seven different levels of pruning and growth regulator application and the treatments were imposed on two years old trees. )- 209217, India *Corresponding author Z A B S T R A C T Keywords Guava, Planting, Pruning int Fruit weight and internal fruit quality were not affected by pruning. It also increased both leaf area and STAR of the fruiting shoots by approximately 15%, regardless of their position in the canopy. The effects of consumption of guava (psidium guajava) or papaya (carica papaya) on total antioxidant and lipid profile in normal male youth. Effects of training of 18-month-old marcotted plants were noticeable in the second year. Rerata diameter dan bobot buah tertinggi diperoleh pada perlakuan pemangkasan pemeliharaan (P), yaitu 66,20 mm dan 143,75 g. Dari hasil analisis buah jeruk, total gula tertinggi (7,5%) dan total asam terendah (1,79%) diperoleh pada tanaman yang diperlakukan pemangkasan samping (S), sedangkan total karotenoid tertinggi (10,63 µg/g) terdapat pada tanaman yang diperlakukan pemangkasan lorong (L) dan kadar air yang tertinggi sebesar 90,08% dimiliki oleh tanaman kontrol (tanpa pemangkasan). Teknologi degreening menggunakan gas etilen dapat memperbaiki warna kulit jeruk tropika menjadi jingga. The pineapple guava does not require pruning, but a light pruning will help increase the next year's … The present study was undertaken at Experimental Orchard of the Division of Fruit Science, Faculty of Agriculture, Udheywalla, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, J & K, India. combinations. Keywords The results of the present study revealed that with the advancement of fruit maturity at different stages, the total soluble solids (TSS), sugar (total sugars, reducing and non-reducing sugar), ascorbic acid contents increased significantly while, during fruit ripening acidity and pectin decreased. Hasil penelitian menunjukkan perubahan warna kulit buah mulai terjadi pada hari ke 4 setelah perlakuan degreening. Penelitian ini bertujuan untuk mengetahui dosis kompos jerami dan pemangkasan terhadap pertumbuhan dan hasil tanaman mentimun sehingga dapat menghasilkan pupuk yang ekonomis dan berproduksi tinggi untuk penanaman mentimun serta interaksi kedua faktor tersebut. Penelitian berdasarkan Rancang Acak Kelompok (RAK) dengan lima perlakuan, yaitu pemangkasan pemeliharaan (P), pemangkasan bentuk V (V), pemangkasan lorong (L), pemangkasan samping (S), dan tidak dipangkas (K). Maximum PME activity was found in L-49 (56.25 units/g.f.wt) at HRS whereas, it showed a decrease at FRS (52.25 units/g fresh weight (FW) followed by Allahabad Safeda and Lalit. The experiment was conducted from March to October 2017, at the Cikabayan Experimental Garden in Bogor. Ethylene exposure was conducted using multiple shots method. The experiment framed was intended to find out the optimum level of pruning and economic dose of fertilizer for higher yield and quality production of guava fruits. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) pola faktorial 4 x 3 dengan 3 ulangan yang terdiri dari 2 faktor. The control plants were kept unpruned. The experiment was conducted from February to December 2017, in Cikabayan experimental garden of IPB University, Bogor, Indonesia. This research was aimed to examine the effect of canopy pruning on productivity and fruit quality of mandarin cv Pulung. In the subsequent spring, densities of floral spurs (FS) and floral terminal buds (FT) on unmodified branch units were 2.3 and 1.6 (FS+FT=3.9), respectively. 2- Apical ten cm of new shoots were pruned. Not only is the tree known for its fruit, but it has a long-standing tradition of use as a medicinal remedy for numerous ailments. As fruit plants, pineapple (Ananas comosus) and guava (Psidium guajava) plants require careful timing when it comes to pruning. © 2017, Indian Council of Agricultural Research. The results Effect of shoot pruning and bending on yield and fruit quality in guava cv. Use pruning shears to cut back branches to shape the tree or thin out dense interior growth. Sardar. This degreening technique altered the Citrus Colour Index (CCI) value from -1.60 to be 6.50, changed the tangerines into a bright orange. L-9 by shoot pruning and bending. Kata kunci: cooling chamber, citrus color index, jeruk tropika, karotenoid, klorofil