Journal of Applied Horticulture Selected Contents of Year

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Prasanta Das; Binita Hazarika

Department of Horticulture, Assam Agricultural University, Jorhat 785013, Assam, India.

Key words: chemical composition, mulches, mulching, plant residues, plastic film, quality, pineapples, polyethylene, rice, ascorbic acid, flowering, fruits, reducing sugars, sugars, fruit crops, small fruits

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 125-127.

Abstract: Mulching promoted the quality of pineapples cv. Kew, grown in India. Good quality fruits were observed in the black polythene mulch and rice husk (2.5 and 5 cm thick) treatments. The best quality fruits were obtained in the black polythene (50\micro) mulch treatment where plants were mulched throughout the cropping period.
Rajan, S; Sinha, G C; Lal, B

Central Institute for Subtropical Horticulture, Rehmankhera, P.O. Kakori, Lucknow 227107, India.

Key words: grafting, mangoes, forecasting, mathematical models, relative humidity, temperature, fruit crops, fruits

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 128-130.

Abstract: Various models were developed to account for the effect of weather variables on the success of veneer grafting in mango under Lucknow conditions. The influence of weather parameters was described by the model: GS = 290.946 - 0.239 MA2 - 20.322 MI - 0.305 MI2 - 3.58 RH, where GS = veneer grafting success, MA = maximum temperature, MI = minimum temperature, RH = relative humidity, and RF = rainfall. The use of this model to forecast grafting success based on environmental conditions is discussed.
Maiti, C S; Nath, A; Sen, S K

Faculty of Horticulture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal, India.

Key words: medicinal plants, grafting, propagation, shoots, growth, plant development

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 131-132.

Abstract: The effect of grafting method (whip, splice or cleft grafting) on survival and growth was investigated for A. marmelos grown under West Bengal conditions, India, during the monsoon. The best method was whip grafting (70% success and the best shoot growth).
Sharma, R R; Goswami, A M; Saxena, S K; Anil Shukla

Division of Fruits and Horticultural Technology, Indian Agricultural Research Institute, New Delhi 110012, India.

Key words: mandarins, rootstocks, citranges, high density planting, fruit drop, fruits, seasonal variation, rootstock scion relationships, thinning, fruit crops, subtropical fruits, citrus fruits

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 133-134.

Abstract: The effect of rootstock (Troyer citrange, Karna Khatta [Citrus karna] and Sohsarkar) on fruit drop was investigated for mandarins grown in high density plantings in India. Plants on all 3 rootstocks showed 2 distinct waves of drop (a very heavy drop in April-May and severe preharvest drop in September-October). Plants on Troyer citrange showed the lowest fruit drop in April-May and the highest pre-harvest fruit drop compared with the other rootstocks. Overall fruit drop was highest in Sohsarkar (86.41%) and lowest in Troyer citrange (69.79%).
Prabhat Srivastava; Chauhan, H S

Department of Irrigation and Drainage Engineering, College of Technology, Pantnagar 263145, U.P., India.

Key words: cultural methods, cabbages, irrigation, growth, canopy, climate, growth studies, leaf area, spacing, subsurface irrigation, subtropics, plant development, trickle irrigation, surface irrigation, crop yield, vegetables

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 135-136.

Abstract: The effects of different methods of irrigation (microsprinkler, drip [trickle] (emitter), drip (microtube) and surface irrigation) on growth of cabbages in India were investigated. Plants were grown at a spacing of 0.5 x 0.6 m. The largest plants with the highest number of leaves and greatest crop canopy were produced in the microsprinkler treatment.
Prabhat Srivastava; Chauhan, H S

Department of Irrigation and Drainage Engineering, College of Technology, Pantnagar 263145, U.P., India.

Key words: cultural methods, trickle irrigation, surface irrigation, crop yield, cabbages, irrigation, methodology, spacing, use efficiency, water use, water use efficiency, plant water relations, vegetables

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 137-138.

Abstract: The water use efficiencies of cabbages (cv. Golden Acre) irrigated via microsprinkler, drip [trickle], microtube or surface irrigation methods were determined in India. Cabbages were planted at a spacing of 0.5 x 0.6 m. The highest yield was obtained in the microsprinkler irrigation treatment (40.23 t/ha), followed by drip irrigation (38.97 t/ha), surface irrigation (33.76 t/ha) and microtube irrigation (32.54 t/ha). Water use efficiency was highest for drip irrigation, followed by microtube irrigation, microsprinkler irrigation and surface irrigation. Compared with surface irrigation, percentage water savings were 61.44, 59.28 and 36.82% for microtube, drip and microsprinkler methods, respectively.
Matoria, G R; Khandelwal, R C

Department of Horticulture, Rajasthan College of Agriculture, Udaipur 313001, India.

Key words: fruits, heterosis, hybrids, quantitative traits, yield components, diallel analysis, specific combining ability, stability, general combining ability, cucurbit vegetables, vegetables

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 139-141.

Abstract: Combining ability and stability analysis for six traits was performed in 45 bitter gourd hybrids derived from a 10 x 10 diallel analysis. The analysis revealed that both additive as well as non-additive gene action were important for all the characters. However, non-additive gene action was predominant for all the traits, except for girth of fruits and number of seeds/fruits. BG-14 was observed to be the best general combiner for yield/vine and most of the other quantitative traits. Among the crosses, Udaipur Local x BG-14 and NBPGR/TCR-727 x Jaunpuri Long showed the highest SCA effects as well as stability in their performance making them suitable for a heterosis breeding programme.
Chandra, R; Sheo Govind; Desai, A R

ICAR Research Complex for NEH Region, Barapani, Meghalaya 793 103, India.

Key words: genotypes, turmeric, quality, yields, yield components, plant height, rhizomes, yield correlations, spice plants

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 142-144.

Abstract: Performance of twenty-five genotypes was studied at Barapani for three consecutive years. Among the 19 characters studied, weight of primary finger rhizome recorded the highest level of variability (38.94%) followed by number of primary and secondary finger rhizomes per clump. Plant height, length of leaf, and length, diameter and weight of primary finger rhizome, internodal distance of primary finger rhizome, and rhizome yield per hectare were significantly and positively associated with fresh rhizome yield per clump. A negative correlation between dry rhizome recovery and fresh rhizome yield per clump was observed. PCT 13, PCT 11, GL Puram and PCT 15 showed no significant differences and had higher yields, indicating their suitability for cultivation under mid hill conditions of Meghalaya. Lakadong had poor yields but had the highest curcumin (7.33%) content.
Mishra, H P

Department of Floriculture & Landscaping, Rajendra Agricultural University, Pusa, Samastipur, Bihar 848125, India.

Key words: flowers, ornamental bulbs, plant development, planting, bulbs, planting date, flowering, ornamental plants

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 145-148.

Abstract: The effect of planting date (February-May) on growth and flowering of P. tuberosa was investigated during 1995-97 in Bihar, India. Early and late planting produced plants with poor flower and spike yields. Planting bulbs on 7 March followed by 22 March produced plants with a high number of long leaves/clump, thick and big spikes, and a high number of florets and spikes/unit area.
Dwivedi, S K; Padmanabh Dwivedi

School of Environmental Sciences, B.B. Ambedkar University, Lucknow-226 025, India.

Key words: guavas, reviews, soil solarization, symptoms, plant disease control, plant pathogens, plant pathogenic fungi, plant diseases, chemical control, fungal diseases, biological control, environmental factors, fruit crops, fruits, control, plant pathology

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 151-154.

Abstract: A review of guava wilt (caused by Fusarium solani, F. longipes, F. moniliforme [Gibberella fujikuroi], F. oxysporum f.sp. psidii, Macrophomina phaseolina and Rhizoctonia sp.) in India is given. A brief account of the economic importance of guava is followed by the occurrence and symptoms of the disease. The modes of infection, causal organisms, and environmental and chemical factors that guide the development of the disease have also been emphasised. The recent findings made to control the disease severity, including those by chemical and biological methods and soil solarization, are also reviewed.
Shu, Z H

Fengshan Tropical Horticultural Experiment Station, TARI, Fengshan, Kaohsiung 830, Taiwan.

Key words: pollination, flowers, plant development, flowering, mangoes, anthers, dehiscence, sex ratio, temperature, cultivars, fruit crops, fruits

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 79-83.

Abstract: The effect of 3 temperature regimes (31/25 (warm), 25/19 (moderate) and 19/13 degrees C (cool), day/night) on flowering and pollination in 4 mango cultivars (Haden, Irwin, Keitt and Local) was investigated in Taiwan. Compared with the moderate treatment, warm temperatures hastened growth rates of panicles and flowers, shortened flowering duration and life span of individual flowers, and decreased the number of hermaphrodite and male flowers. Warm temperatures increased the rates and percentages of anther dehiscence and pollination. In contrast, cool temperatures retarded the growth of panicles and flowers, extended flowering duration and life span of flowers, and increased the number of hermaphrodite and male flowers. Sex ratio was statistically not different among the 3 temperature treatments. The highest number of hermaphrodite flowers occurred during the first third of the flowering period. The highest number of male flowers occurred halfway through the flowering period.
Sant Ram

G.B. Pant University of Agriculture and Technology, Pantnagar-263 145, U.P., India.

Key words: flowering, mangoes, abscisic acid, auxins, cytokinins, differentiation, flowers, fruiting, plant development, plant growth regulators, cultural methods, gibberellins, inhibitors, paclobutrazol, productivity, pruning, steroids, urea, growth, endogenous gro

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 84-88.

Abstract: Studies were conducted on alternate bearer mango cv. Dashehari. Dashehari produced a major vegetative flush in March-April followed by 2 minor flushes in June-July and September-October. The major vegetative flush fruited, whereas the other 2 minor flushes did not. Shoots which fruited rarely produced a new vegetative flush soon after crop harvest and also did not flower and fruit in the following season. To promote vigour and productivity, such shoots were forced to produce vegetative growth soon after crop harvest by pruning and application of 1-2% urea. Such treatments failed to induce flowering and fruiting. The concentrations of endogenous growth regulators were determined in shoots. Shoot-tips contained 3 auxins, 8 gibberellins, 11 cytokinins, 11 steroids and an ABA-like inhibitor. High concentrations of auxins, inhibitors, cytokinins and steroids were observed in shoot-tips just prior to or during the period of flower bud differentiation, whereas low concentrations of gibberellins were observed. Gibber
Baghel, B S; Pandey, S K; Nema, B K

Department of Pomology and Fruit Preservation, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur 482004, India.

Key words: flowering, mangoes, flowers, light, cultural methods, sex, plastic film, covers, plant development, abnormal development, fruit crops, fruits

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 89-90.

Abstract: The effect of coloured poly-covers (control, white, red, green, blue and yellow) on flowering of mango (cv. Sunderja) was studied during October 1996 to February 1997. Covering twigs with coloured poly-covers influenced flowering. The highest rates of flowering shoots, healthy panicles and hermaphrodite flowers, the longest panicles, and the highest numbers of branchlets/panicle and flowers/panicle were recorded in the red poly-cover treatment. This treatment was better than the control, white and yellow poly-cover treatments, but was at par with the other treatments. The lowest rate of floral malformation, the lowest incidence of male flowers and the lowest ratio of hermaphrodite to male flowers (1:3.05) were also observed in the red poly-cover treatment.
Singh, S K; Syamal, M M

Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, India.

Key words: plant growth regulators, in vitro culture, in vitro regeneration, roses, micropropagation, gibberellic acid, IBA, NAA, rooting, acclimatization, roots, ornamental woody plants, shoots, gibberellins, tissue culture, ornamental plants, auxins, cytokinins

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 91-93.

Abstract: A micropropagation method for roses cv. Sonia is presented. Shoot proliferation was best (70.3%) on MS [Murashige and Skoog] medium supplemented with BAP [benzyladenine] at 2 mg/litre + NAA at 0.1 mg/litre + GA3 at 0.01 mg/litre, with a proliferation of >5 microshoots per subculture. Efficient rooting was achieved on half-strength MS medium supplemented with IBA at 0.2 mg/litre + NAA at 0.1 mg/litre. Rooted plantlets were acclimatized for 3 weeks and planted out under field conditions with a survival of over 70%.
Sonali Dixit; Srivastava, D K

Department of Biotechnology, Dr. Y.S. Parmar University of Horticulture and Forestry, Solan, HP, India.

Key words: cauliflowers, callus, cotyledons, explants, in vitro regeneration, kanamycin, in vitro selection, vegetables, biotechnology

Journal of Applied Horticulture, 1999, volume 1, issue 2, pages 94-96.

Abstract: Kanamycin sensitivity studies were conducted to study the resistance level of kanamycin in cauliflower (Brassica oleracea var. botrytis, cv. Pusa Snow Ball). Increasing doses of kanamycin (10, 20, 30, 40, 50 mg/litre) were given to hypocotyl and cotyledon explants to determine a minimum concentration of kanamycin required for selection of putative transformed cells during transformation. Decreases in fresh weight in both cotyledon and hypocotyl tissues were observed with increasing in kanamycin concentration. Even 50 mg/litre kanamycin did not completely inhibit the growth but callus formation and shoot regeneration was affected. It is suggested that at least 20-30 mg/litre kanamycin would be necessary to select resistant transformants in callus and shoot cultures.

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Journal of Applied Horticulture