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Journal articles on the topic 'Interveinal chlorosis'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Miller, C. T., and W. B. Miller. "INVESTIGATING INTERVEINAL CHLOROSIS IN OXALIS REGNELLII." Acta Horticulturae, no. 886 (January 2011): 183–86. http://dx.doi.org/10.17660/actahortic.2011.886.24.

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2

Starr, T. Scott, and L. F. Thompson. "OBSERVATIONS OF INTERVEINAL CHLOROSIS ON MALUS SARGENTII." HortScience 25, no. 8 (1990): 848c—848. http://dx.doi.org/10.21273/hortsci.25.8.848c.

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Interveinal chlorosis has been observed on the oldest leaves of several varieties of flowering crabapple (Malus sargentii Rehl). Our objective was to identify the cause of this disorder. Foliage and soil from 20 Sargent crabapple trees growing on 12 different sites were analyzed for possible nutrient deficiencies or excesses. Analyses showed N to be slightly low, Ca high, and Mg low in all leaf samples. Soil analysis showed Ca to be abnormally high at all sites. We concluded that the leaf discoloration was caused by a Mg deficiency due to Ca suppression of the Mg and that the low foliar N migh

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3

Przybył, Krystyna, and Krystyna Idzikowska. "Ultrastructural changes in chloroplasts of mesophyll cells of chlorotic and prematurely yellowed leaves of Betula pendula Rothr." Acta Societatis Botanicorum Poloniae 72, no. 4 (2011): 289–93. http://dx.doi.org/10.5586/asbp.2003.037.

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The ultrastructure of chloroplasts was studied in mesophyll cells of the leaves of silver birch (<em>Betula pendula</em>) showing interveinal chlorosis or premature yellowing, in comparison with leaves without symptoms or exhibiting symptoms of natural senescence. The leaves were collected between May 26 to June 7 and additionally in the September 10-12 from the upper part of the crown, from increments of the past four years. No major difference in ultrastructure of chloroplasts was found between spongy and palisade mesophyll cells. The following senescencerelated changes were obse

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4

Kurniawati, Fitrianingrum, Gede Suastika, and Giyanto . "IDENTIFIKASI TOMATO INFECTIOUS CHLOROSIS VIRUS PENYEBAB PENYAKIT KLOROSIS PADA TANAMAN TOMAT DI CIPANAS JAWA BARAT MELALUI PERUNUTAN NUKLEOTIDA GEN PROTEIN SELUBUNG UTAMA." JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA 15, no. 1 (2015): 33. http://dx.doi.org/10.23960/j.hptt.11533-43.

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Identification of tomato infectious chlorosis virus, the causal agent of chlorosis disease on tomato in Cipanas West Java by sequencing of main coat protein gene nucleotide. Tomato infectious chlorosis virus (TICV) causes chlorosis on tomato. Tomatoes infected by this virus shows interveinal yellowing, necrotic, bronzing, brittleness, and declining in productivity. This study aims to identify the causal agent of chlorotic disease on tomato by sequencing the coat protein gene. The methods involve collecting infected plants, total RNA extraction, cDNA synthesis, DNA amplification, visualization

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5

Accotto, G. P., A. M. Vaira, M. Vecchiati, M. M. Finetti Sialer, D. Gallitelli, and M. Davino. "First Report of Tomato chlorosis virus in Italy." Plant Disease 85, no. 11 (2001): 1208. http://dx.doi.org/10.1094/pdis.2001.85.11.1208c.

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During winter 2000-2001, an unusual disease of tomato was observed in some greenhouses in Sardinia, Sicily, and Apulia, in southern Italy. Plants were chlorotic and reduced in size, expanded leaves showed interveinal yellowing, and older leaves developed interveinal reddish-bronze necrosis and downward rolling. The symptoms resembled those recently reported from Portugal (1) as induced by Tomato chlorosis virus (ToCV) (family Closteroviridae, genus Crinivirus), a whitefly-transmitted virus new to Europe. Symptomatic leaf tissues were extracted and analyzed by reverse transcription-polymerase c

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6

Segev, L., W. M. Wintermantel, J. E. Polston, and M. Lapidot. "First Report of Tomato chlorosis virus in Israel." Plant Disease 88, no. 10 (2004): 1160. http://dx.doi.org/10.1094/pdis.2004.88.10.1160a.

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During December 2003, symptoms were observed in greenhouse tomato plants in Bet Dagan, Israel that resembled those of Tomato chlorosis virus (ToCV), a crinivirus common in the southeastern United States and southern Europe (2,3). Middle-aged leaves showed interveinal chlorosis, while more mature leaves showed more intense interveinal chlorosis with some interveinal bronzing. Symptoms were associated with the presence of Bemisia tabaci, an efficient vector of ToCV. Total nucleic acids were extracted (1) from middle-aged and mature leaves from two symptomatic plants, as well as from healthy toma

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7

Cox, Douglas A. "Poinsettia Cultivars Differ in Their Response to Molybdenum Deficiency." HortScience 27, no. 8 (1992): 892–93. http://dx.doi.org/10.21273/hortsci.27.8.892.

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Six cultivars of poinsettia (Euphorbia pulcherrima Willd. ex Kl.) were grown in unlimed growth medium consisting of equal volumes of sphagnum peat and perlite. Plants received fertilizer solutions supplying Mo at either 0.0 mg·liter-1 (-Mo) or 1.0 mg·liter -1 (+Mo). In the –Mo treatment, moderate to severe symptoms of Mo deficiency (marginal and interveinal chlorosis, marginal necrosis, and downward curling of the margins) developed on the middle-aged and some recently matured leaves of `Annette Hegg Brilliant Diamond' and `Eckespoint Lilo', while some interveinal chlorosis occurred on the sam

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8

Widyastuti, Tri Retno, Sri Sulandari, Sedyo Hartono, and Triwidodo Arwiyanto. "Responses of Tomatoes Grafting Using Variation of Rootstock against Virus Infection and Tomato Yields." Jurnal Perlindungan Tanaman Indonesia 24, no. 1 (2020): 98. http://dx.doi.org/10.22146/jpti.31056.

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Grafting methods on tomato have been done to reduce the infection rate of various pathogens. Begomovirus and Crinivirus are important viruses in tomato plants. The research aimed to determine the resistance response of tomato plants to viral infection, and tomato production. Field research was conducted in Harjobinangun, Pakem, Sleman, Yogyakarta in the endemic area of the viral diseases transmitted by Bemisia tabaci. This experiment used a Completely Randomized Design non-factorial with “Servo” as scion and “Amelia”, “H-7996”, “Mawar” as rootstock. The disease development, presence of viral d

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9

Frommer, Dóra, László Radócz, and Szilvia Veres. "Changes of relative chlorophyll content at maize smut inoculated hybrids." Acta Agraria Debreceniensis, no. 72 (May 16, 2017): 55–58. http://dx.doi.org/10.34101/actaagrar/72/1587.

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The leaf chlorophyll content analysis is important for several reasons. The natural or anthropogenic stressors directly effect on the chlorophyll content. Through the measurement of the chlorophyll content it is possible to obtain data concerning the physiological status of the plant, moreover the chlorophyll content is closely related to the nitrogen content, so it is linked to photosynthesis and the photosynthetic activity which determine biomass production.One of the most common symptoms of plant diseases is the larger and smaller interveinal chlorotic areas. These might be local, or expand

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10

Brown, J. K., Kristin M. Ostrow, Ali M. Idris, and Drake C. Stenger. "Chino del tomate virus:Relationships to Other Begomoviruses and Identification of A-Component Variants that Affect Symptom Expression." Phytopathology® 90, no. 5 (2000): 546–52. http://dx.doi.org/10.1094/phyto.2000.90.5.546.

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Phylogenetic and distance analyses place Chino del tomate virus (CdTV) in the New World clade of begomoviruses and indicate that CdTV and Tomato leaf crumple virus (TLCrV) are closely related strains of the same virus. One cloned CdTV A component (pCdTV-H6), when inoculated to tomato with the B component (pCdTV-B52), produced mild symptoms and low DNA titers. Another cloned CdTV A component (pCdTV-H8), when coinoculated to tomato with the B component, produced moderate leaf curling and veinal chlorosis similar to that of TLCrV. Coinoculation of both CdTV A components and the B component to tom

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11

Wisler, G. C., J. E. Duffus, and J. S. Gerik. "First Report of Lettuce Chlorosis Virus Naturally Infecting Sugar Beets in California." Plant Disease 81, no. 5 (1997): 550. http://dx.doi.org/10.1094/pdis.1997.81.5.550d.

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Sugar beet (Beta vulgaris) plants showing interveinal yellowing and thickened leaves were collected from two fields in Imperial County, CA, for disease assessment in January 1996. Yellowing symptoms were widespread in these fields during the winter of 1995 to 1996. Initial enzyme-linked immunosorbent assays (ELISA) with polyclonal antiserum (ATCC) for beet western yellows virus were consistently negative. Inoculations with Bemisia tabaci “B” biotype (B. argentifolii) whiteflies onto the indicator plants Chenopodium capitatum, C. murale, lettuce (Lactuca sativa), and sugar beet resulted in inte

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12

Scandiani, M., D. Ruberti, R. Pioli, A. Luque, and L. Giorda. "First Report of Koch's Postulates Completion of Sudden Death Syndrome of Soybean in Argentina." Plant Disease 87, no. 4 (2003): 447. http://dx.doi.org/10.1094/pdis.2003.87.4.447b.

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Foliage symptoms on soybean resembling those of sudden death syndrome were detected in Argentina during 1991 and 1992 in the Pampas Region and during 1992 and 1993 in the Northwest Region. Isolations were made in 1999, 2000, and 2001 from soybean plants (Glycine max (L.) Merr.) showing these symptoms. Five isolates of fungi obtained from taproot tissue and blue sporulation on taproot exteriors were selected for further evaluation. These isolates were plated on potato dextrose agar supplemented with streptomycin (PDAS). Based on the spore morphology, colony growth rate, morphology and pigmentat

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13

Harbaugh, Brent K. "Iron toxicity in Pentas Lanceolata." HortTechnology 5, no. 4 (1995): 306–7. http://dx.doi.org/10.21273/horttech.5.4.306.

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Interveinal chlorosis of lower (oldest) leaves followed by development of interveinal necrotic spots, marginal necrosis, downward cupping of leaves, and leaf abscission were symptoms of a disorder commonly observed during production of potted pentas. The disorder was determined to be an Fe toxicity problem associated with accumulation of extremely high levels of foliar Fe (649 to 1124 ppm). Cultivars varied in their response to soil-applied Fe-DTPA chelate solutions: `Starburst', `Mauve' and `Ruby Red' were very susceptible, `Pink Profusion' was intermediate, and `White', `Lavender Delight', a

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14

Zhang, X. W., Y. J. Dong, X. K. Qiu, G. Q. Hu, Y. H. Wang, and Q. H. Wang. " Exogenous nitric oxide alleviates iron-deficiency chlorosis in peanut growing on calcareous soil." Plant, Soil and Environment 58, No. 3 (2012): 111–20. http://dx.doi.org/10.17221/310/2011-pse.

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Sodium nitroprusside (SNP), a nitric oxide (NO) donor, was added into controlled release fertilizer (CRF) or sprayed on leaves to supply NO on iron deficiency stress in peanut (Arachis hypogaea Linn) plants growing on calcareous soils. Iron deficiency reduced plant growth and chlorophyll content. NO improved plant growth and alleviated leaf interveinal chlorosis, and increased the activity of root Fe<sup>III</sup> reductase and the concentration of available iron in cultured soil, suggesting that NO action could be related to iron availability to the plant. The actual photochemical

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15

Harbaugh, B. K., and S. S. Woltz. "Eustoma Quality is Adversely Affected by Low pH of Root Medium." HortScience 26, no. 10 (1991): 1279–80. http://dx.doi.org/10.21273/hortsci.26.10.1279.

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Foliar chlorosis or bleaching, interveinal chlorosis, leaf edge and tip necrosis, a poor root system, and stunted growth of Eustoma grandiflorum (Raf) Shinn seedlings were associated with a medium pH of 5.0 or 5.5 but not when the values ranged from 6.4 to 7.5. The range in medium pH resulting in the best growth of seedings and flowering plants was 6.3 to 6.7. Responses to medium pH were similar, regardless of fertilizer solution pH or cultivar. Eustoma seedling and shoot fresh weights for pH 5.0 and 5.5 were only 23% to 66% of corresponding values for plants grown at pH 6.4. Leaf tissue Zn wa

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16

van Iersel, Marc W., and Bruce Bugbee. "Phytotoxic Effects of Benzimidazole Fungicides on Bedding Plants." Journal of the American Society for Horticultural Science 121, no. 6 (1996): 1095–102. http://dx.doi.org/10.21273/jashs.121.6.1095.

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Benzimidazoles are effective and widely used fungicides, but they may be phytotoxic. We studied the effects of a single drench application of six benzimidazoles and one acetanilide fungicide on photosynthetic gas exchange, growth, development, and nutrient levels of four species of bedding plants in twenty growth-chamber and four greenhouse studies. Daily carbon gain and carbon-use efficiency were calculated from continuous crop gas-exchange measurements in the growth chambers. The maximum labeled rate of Benlate DF caused a 7- to 10-day decrease in net photosynthesis and daily carbon gain in

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17

Parrella, G. "Interveinal Yellowing Caused by Tomato infectious chlorosis virus in Lettuce and Escarole in Southern Italy." Journal of Phytopathology 156, no. 3 (2008): 190–92. http://dx.doi.org/10.1111/j.1439-0434.2007.01356.x.

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18

Hadad, Luria, Smith, Sela, Lachman, and Dombrovsky. "Lettuce Chlorosis Virus Disease: A New Threat to Cannabis Production." Viruses 11, no. 9 (2019): 802. http://dx.doi.org/10.3390/v11090802.

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In a survey conducted in Cannabis sativa L. (cannabis) authorized farms in Israel, plants showed disease symptoms characteristic of nutrition deprivation. Interveinal chlorosis, brittleness, and occasional necrosis were observed in older leaves. Next generation sequencing analysis of RNA extracted from symptomatic leaves revealed the presence of lettuce chlorosis virus (LCV), a crinivirus that belongs to the Closteroviridae family. The complete viral genome sequence was obtained using RT-PCR and Rapid Amplification of cDNA Ends (RACE) PCR followed by Sanger sequencing. The two LCV RNA genome s

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19

Devitt, D. A., R. L. Morris, and D. C. Bowman. "Response of Periwinkle to Composted Sewage Sludge Used as a Soil Amendment." Journal of Environmental Horticulture 9, no. 4 (1991): 176–81. http://dx.doi.org/10.24266/0738-2898-9.4.176.

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Abstract An experiment was conducted in the greenhouse to investigate the effects of composted sewage sludge as a soil amendment on growth and mineral composition of ‘Bright Eyes’ periwinkle (Catharanthus roseus (L.) G. Dn.). Three desert soils (loamy sand, sandy loam, clay) were amended with two different composted sewage sludges (city and county) at rates of 0, 7.5, 15, 30 and 60% by volume. Plants were grown in the amended soils for four months. Composted city sludge had a positive effect on size, growth rate and number of flowers per plant in all three soils. Plants grown in soils amended

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20

Owen, W. Garrett. "Response of Calceolaria ×herbeohybrida Cultivars to Substrate pH and Corresponding Leaf Tissue Nutrient Concentration Effects." HortScience 54, no. 12 (2019): 2163–68. http://dx.doi.org/10.21273/hortsci14449-19.

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Calceolaria (Calceolaria ×herbeohybrida) is a flowering potted greenhouse crop that often develops upper-leaf chlorosis, interveinal chlorosis, and marginal and leaf-tip necrosis (death) caused by cultural practices. The objectives of this research were to 1) determine the optimal incorporation rate of dolomitic and/or hydrated lime to increase substrate pH; 2) determine the influence of the liming material on substrate pH, plant growth, and leaf tissue nutrient concentrations; and 3) determine the optimal substrate pH to grow and maintain during calceolaria production. Sphagnum peatmoss was a

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21

Wilson, Robert G., and Stephen D. Miller. "Dry Edible Bean (Phaseolus vulgaris) Response to Imazethapyr." Weed Technology 5, no. 1 (1991): 22–26. http://dx.doi.org/10.1017/s0890037x00033194.

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Imazethapyr at 0.07 and 0.10 kg ai ha-1applied preplant incorporated (PPI), preemergence (PRE), and postemergence (POST) was evaluated at two locations in 1988 and 1989 for safety to dry edible beans. Bean stunting, leaf crinkling, and interveinal chlorosis were evident from imazethapyr and varied from 1 to 57%. Imazethapyr significantly reduced bean height and delayed maturity. PPI and POST applications of imazethapyr at 0.07 and 0.10 kg ha-1did not reduce bean seed yields compared to yields of the untreated control. Bean cultivar by herbicide interactions were significant for bean injury but

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22

Harbaugh, Brent K. "EUSTOMA GRANDIFLORUM RESPONSE TO pH OF GROWING MEDIA." HortScience 25, no. 9 (1990): 1107a—1107. http://dx.doi.org/10.21273/hortsci.25.9.1107a.

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Symptoms of foliar chlorosis or bleaching, interveinal chlorosis of lower leaves, leaf edge and tip necrosis, stunted growth and delayed flowering of Eustoma increased as pH decreased below 6.5 in various peat-vermiculite based media for all cultivars tested. Symptoms were evident with or without microelement amendments in the media or fertilizer. A 5×5 factorial with pH of media and fertilizer solutions ranging from 5.1 to 7.5 indicated fertilizer pH did not negate plant response to low media pH. Leaf tissue levels of Zn were elevated at low media pH and negatively correlated to plant growth

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23

Ye, Chen, Deng, et al. "Magnesium-Deficiency Effects on Pigments, Photosynthesis and Photosynthetic Electron Transport of Leaves, and Nutrients of Leaf Blades and Veins in Citrus sinensis Seedlings." Plants 8, no. 10 (2019): 389. http://dx.doi.org/10.3390/plants8100389.

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Citrus sinensis seedlings were irrigated with nutrient solution at a concentration of 0 (Mg-deficiency) or 2 (Mg-sufficiency) mM Mg (NO3)2 for 16 weeks. Mg-deficiency-induced interveinal chlorosis, vein enlargement and corkiness, and alterations of gas exchange, pigments, chlorophyll a fluorescence (OJIP) transients and related parameters were observed in middle and lower leaves, especially in the latter, but not in upper leaves. Mg-deficiency might impair the whole photosynthetic electron transport, including structural damage to thylakoids, ungrouping of photosystem II (PSII), inactivation o

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24

Dell, B., and N. Malajczuk. "Boron deficiency in eucalypt plantations in China." Canadian Journal of Forest Research 24, no. 12 (1994): 2409–16. http://dx.doi.org/10.1139/x94-311.

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Boron deficiency is identified as one of the more important causes of poor stem form and malformed leaves in plantations of Eucalyptusglobulus in Yunnan Province, and of Eucalyptusgrandis, Eucalyptustereticornis, and Eucalyptusurophylla in Guandong Province. Symptoms of B deficiency in E. globulus were rolled and malformed leaves, stem dieback, and a prostrate form. In E. urophylla, leaf margins became chlorotic then necrotic, leaves turned brittle and corky, shoots died back, and the upper stem nodes were enlarged supporting numerous short-lived axillary shoots. In E. grandis, stem dieback wa

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25

Shibaeva, T. G., A. V. Mamaev, and E. G. Sherudilo. "Evaluation of a SPAD-502 Plus Chlorophyll Meter to Estimate Chlorophyll Content in Leaves with Interveinal Chlorosis." Russian Journal of Plant Physiology 67, no. 4 (2020): 690–96. http://dx.doi.org/10.1134/s1021443720040160.

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26

Petrovic, Anamarija, Yuichi Yoshida, and Toshimasa Ohmori. "Excess ammonium in foliar tissue: a possible cause of interveinal chlorosis in strawberry (Fragaria×ananassaDuch. cv. Nyoho)." Journal of Horticultural Science and Biotechnology 84, no. 2 (2009): 181–86. http://dx.doi.org/10.1080/14620316.2009.11512501.

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27

Navas-Castillo, J., R. Camero, M. Bueno, and E. Moriones. "Severe Yellowing Outbreaks in Tomato in Spain Associated with Infections of Tomato chlorosis virus." Plant Disease 84, no. 8 (2000): 835–37. http://dx.doi.org/10.1094/pdis.2000.84.8.835.

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Since 1997, yellowing disease outbreaks have occurred in tomato (Lycopersicon esculentum) crops in southern Spain. The outbreaks were associated with high populations of the whitefly Bemisia tabaci. Symptoms consisted mainly of interveinal yellowing that developed initially on lower leaves and then progressed to the upper part of the plant. Affected plants were less vigorous and yielded less due to reduced fruit growth and delayed ripening. During 1998 and 1999, the yellowing disease was widespread and occurred at high incidences in the Málaga province. The disease agent was readily transmissi

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28

Font, M. I., P. Martínez-Culebras, M. C. Jorda, D. Louro, A. M. Vaira, and G. P. Accotto. "First Report of Tomato infectious chlorosis virus in Spain." Plant Disease 86, no. 6 (2002): 696. http://dx.doi.org/10.1094/pdis.2002.86.6.696a.

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During the summer and autumn of 2001, symptoms of interveinal yellowing, bronzing, brittleness, and rolling of lower leaves were observed in greenhouse- and field-grown tomato (Lycopersicon esculentum) plants in Castellon Province in eastern Spain. Symptoms resembled those caused by the whitefly-transmitted criniviruses (1,2). Total RNA was extracted from 28 samples of symptomatic leaves collected in three greenhouses and one field and analyzed by reverse transcription-polymerase chain reaction using primers specific for Tomato chlorosis virus (ToCV) (1) and Tomato infectious chlorosis virus (

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29

Zheng, Youbin, Thomas Graham, Stefan Richard, and Mike Dixon. "Potted Gerbera Production in a Subirrigation System Using Low-concentration Nutrient Solutions." HortScience 39, no. 6 (2004): 1283–86. http://dx.doi.org/10.21273/hortsci.39.6.1283.

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To determine whether currently used commercial nutrient solution concentrations can be reduced during the final stage (last 4 to 5 weeks) of production of potted gerbera (Gerbera jamesonii `Shogun') under recirculating subirrigation conditions, plants were grown under one of four nutrient levels (10%, 25%, 50%, and 100% of full strength). Nutrient concentration levels did not affect leaf area, flower number and appearance, and plant total dry weight. There were no significant differences in the greenness (as measured by SPAD meter) of leaves from plants that received the 50% and 100% strength

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Sundaraj, S., R. Srinivasan, C. G. Webster, S. Adkins, K. Perry, and D. Riley. "First Report of Tomato chlorosis virus Infecting Tomato in Georgia." Plant Disease 95, no. 7 (2011): 881. http://dx.doi.org/10.1094/pdis-02-11-0122.

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Tomato yellow leaf curl virus (TYLCV) and Tomato spotted wilt virus (TSWV) are prevalent in field-grown tomato (Solanum lycopersicum) production in Georgia. Typical TYLCV symptoms were observed during varietal trials in fall 2009 and 2010 to screen genotypes against TYLCV at the Coastal Plain Experiment Station, Tifton, GA. However, foliar symptoms atypical of TYLCV including interveinal chlorosis, purpling, brittleness, and mottling on upper and middle leaves and bronzing and intense interveinal chlorosis on lower leaves were also observed. Heavy whitefly (Bemisia tabaci (Gennadius), B biotyp

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Freitas, D. M. S., I. Nardin, N. Shimoyama, J. A. C. Souza-Dias, and J. A. M. Rezende. "First Report of Tomato chlorosis virus in Potato in Brazil." Plant Disease 96, no. 4 (2012): 593. http://dx.doi.org/10.1094/pdis-12-11-1068-pdn.

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Potato plants (Solanum tuberosum cv. Ágata) exhibiting symptoms of leaf roll and interveinal chlorosis, especially on older leaves, were found in a commercial crop in the County of Cristalina, State of Goiás, Brazil in June 2011. The crop was severely infested by whitefly Bemisia tabaci biotype B. Four potato tubers from symptomatic plants were indexed for the presence of the following viruses: Tomato chlorosis virus (ToCV), Potato leaf roll virus (PLRV), Tomato severe rugose virus (ToSRV), and Potato virus Y (PVY). Total RNA was extracted separately from each tuber and used for reverse transc

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32

Magri, Ederlan, Eduardo Kieras Gugelmin, Felipe Augusto Piacentini Grabarski, et al. "Manganese hyperaccumulation capacity of Ilex paraguariensis A. St. Hil. and occurrence of interveinal chlorosis induced by transient toxicity." Ecotoxicology and Environmental Safety 203 (October 2020): 111010. http://dx.doi.org/10.1016/j.ecoenv.2020.111010.

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33

Lett, J. M., M. Hoareau, B. Reynaud, et al. "First Report of Tomato chlorosis virus in Tomato on Mauritius Island." Plant Disease 93, no. 1 (2009): 111. http://dx.doi.org/10.1094/pdis-93-1-0111a.

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In February of 2007, a virus disease survey on tomato plants (Solanum lycopersicum) in greenhouses and open fields was conducted on the island of Mauritius at the request of the Agricultural Research and Extension Unit (AREU), sponsored by the European Union, and funded by the Programme Régional de Protection des Végétaux (PRPV). Yellowing symptoms on the lower and middle leaves of tomato plants and whiteflies (Bemisia tabaci) were observed in greenhouses in Pailles, located in the north region of the island. The interveinal chlorosis pattern of the discolored leaves was similar to symptoms de

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34

Parry, Christopher, and Bruce Bugbee. "Reduced Root-zone Phosphorus Concentration Decreases Iron Chlorosis in Maize in Soilless Substrates." HortTechnology 27, no. 4 (2017): 490–93. http://dx.doi.org/10.21273/horttech03735-17.

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Maize (Zea mays) is increasingly grown in controlled environments to facilitate phenotypic analysis. Even with ample chelated iron (Fe), maize often develops interveinal chlorosis in soilless substrates or hydroponics because of inadequate bioavailable Fe in the plant. We hypothesized that the excessive phosphorus (P) in standard greenhouse fertigation solutions would accentuate the chlorosis. Here, we report that reducing the P concentration from 0.7 to 0.07 mmol·L−1 (22 to 2 mg·L−1) provided adequate P for rapid growth and increased chlorophyll concentration from 263 to 380 µmol·m−2. Restric

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35

Gibson, James L., Jude Groninger, Sharon Wombles, and Kathryn Campbell. "NUTRIENT DEFICIENCIES OF ALLAMANDA NERIFOLIA." HortScience 41, no. 3 (2006): 511D—511. http://dx.doi.org/10.21273/hortsci.41.3.511d.

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Elemental deficiencies of N, P, K, Ca, Mg, S, Fe, Mn, Cu, Zn, or B were induced in plants of Allamanda nerifolia. Rooted stem cuttings were planted in 4.87-L plastic containers and fertilized with a complete modified Hoagland's solution or this solution minus the element that was to be investigated. Plants were harvested to measure dry weights when initial foliar symptoms were expressed and later under advanced deficiency symptoms. Deficiency symptoms for all treatments were observed within 6 weeks. The most dramatic expression of foliar symptoms occurred with N (yellow-green young leaves with

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Pak, Chun-Ho, and Chiwon W. Lee. "MICRONUTRIENT TOXICITY IN PETUNIA HYBRIDA." HortScience 27, no. 6 (1992): 687e—687. http://dx.doi.org/10.21273/hortsci.27.6.687e.

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Foliar micronutrient toxicity symptoms of Petunia hybrida `Ultra Crimson Star' were induced by elevated levels (from 0.25 to 6 mM) of boron (B), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo) and zinc (Zn) in the nutrient solution. Foliar toxicity symptoms of most micronutrients (except Fe) were characterized by leaf yellowing, interveinal chlorosis, and marginal necrosis. Mo toxicity was most severe. Leaf abnormality was not induced by Fe in the concentration range tested. Visible foliar toxicity symptoms developed when nutrient solution contained 5.4, 32, 28, 24, and 16 mg· liter-1,

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Albano, Joseph P., and William B. Miller. "Photodegradation of FeDTPA in Nutrient Solutions. II. Effects on Root Physiology and Foliar Fe and Mn Levels in Marigold." HortScience 36, no. 2 (2001): 317–20. http://dx.doi.org/10.21273/hortsci.36.2.317.

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Marigold (Tagetes erecta L.) grown hydroponically in an irradiated nutrient solution containing FeDTPA had root ferric reductase activity 120% greater, foliar Fe level 33% less, and foliar Mn level 90% greater than did plants grown in an identical, nonirradiated solution, indicating that the plants growing in the irradiated solution were responding to Fe-deficiency stress with physiological reactions associated with Fe efficiency. The youngest leaves of plants grown in the irradiated solution had symptoms of Mn toxicity (interveinal chlorosis, shiny-bronze necrotic spots, and leaf deformation)

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Bese, G., K. Bóka, L. Krizbai, and A. Takács. "First Report of Tomato chlorosis virus in Tomato from Hungary." Plant Disease 95, no. 3 (2011): 363. http://dx.doi.org/10.1094/pdis-07-10-0539.

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A disease of tomato (Lycopersicon esculentum Mill.) was observed in three greenhouses in Tömörkény in southern Hungary in the autumn of 2007. Thirty percent of the plants were chlorotic and stunted and had mottled leaves with interveinal yellowing and necrosis. Similar symptoms induced by Tomato chlorosis virus (ToCV) on tomato have been reported in other countries (1,2). ToCV is a Crinivirus in the Closteroviridae family, which can cause a decline in plant vigor and reduced fruit yield. ToCV is transmitted by whiteflies (Trialeurodes vaporariorum West., T. abutilonea Hald., and Bemisia tabaci

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Font, M. I., M. Juárez, O. Martínez, and C. Jordá. "Current Status and Newly Discovered Natural Hosts of Tomato infectious chlorosis virus and Tomato chlorosis virus in Spain." Plant Disease 88, no. 1 (2004): 82. http://dx.doi.org/10.1094/pdis.2004.88.1.82a.

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Tomato chlorosis virus (ToCV) and Tomato infectious chlorosis virus (TICV) are emergent whitefly-transmitted criniviruses. ToCV and TICV were detected in Spain in 2000 (2) and 2001 (1), respectively. Both viruses infect tomato (Lycopersicon esculentum Mill) crops and cause symptoms of foliar chlorosis. ToCV is prevalent along the southern and eastern regions of Spain (provinces of Sevilla, Málaga, Almería, Murcia, Alicante, and Castellón), Balearic (Mallorca), and the Canary Islands (Tenerife and Gran Canaria). However, TICV only has been detected in the provinces of Murcia, Alicante, and Cast

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Pioli, R. N., L. Mozzoni, and E. N. Morandi. "First Report of Pathogenic Association Between Fusarium graminearum and Soybean." Plant Disease 88, no. 2 (2004): 220. http://dx.doi.org/10.1094/pdis.2004.88.2.220a.

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Fusarium graminearum, a pathogen of wheat and corn, was reported recently as a saprophytic fungus colonizing soybean (Glycine max L. Merr.) fruits and seeds at R7 in Argentina (2). To evaluate the capacity of F. graminearum obtained from stem and seeds of symptomatic soybean plants that cause disease on soybean seedlings, isolates were obtained during the 2001 to 2002 growing season from: (i) the basal one-third of stems from field-grown soybean plants, collected at R5, with light brown external and internal discoloration and leaves with interveinal chlorosis; and (ii) soybean seeds with pink

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Wintermantel, William M., and Gail C. Wisler. "Vector Specificity, Host Range, and Genetic Diversity of Tomato chlorosis virus." Plant Disease 90, no. 6 (2006): 814–19. http://dx.doi.org/10.1094/pd-90-0814.

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Tomato chlorosis virus (ToCV), family Closteroviridae, genus Crinivirus, causes interveinal chlorosis, leaf brittleness, and limited necrotic flecking or leaf bronzing on tomato leaves. ToCV can cause a decline in plant vigor and reduce fruit yield. It is emerging as a serious production problem for field and greenhouse tomato growers, and has been increasing in prevalence in many parts of the world. The virus is unique among known whitefly-transmitted viruses, due to its ability to be transmitted by four whitefly vectors from two genera. Studies demonstrated that transmission efficiency and v

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Smithson, J. B., O. T. Edje, and K. E. Giller. "Diagnosis and correction of soil nutrient problems of common bean (Phaseolus vulgaris) in the Usambara Mountains of Tanzania." Journal of Agricultural Science 120, no. 2 (1993): 233–40. http://dx.doi.org/10.1017/s0021859600074281.

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SUMMARYStages in the diagnosis of an interveinal leaf chlorosis in bean in the Usambara Mountains of northern Tanzania are described. Leaf tissue analysis, soil analysis, a 25 factorial trial with treatments of nitrogen, phosphorus, potassium, the trace elements copper and zinc and lime at one location and data from a series of 43 factorial trials of N, P and K demonstrated the leaf condition to be due to potassium deficiency. Large growth and yield responses to N, P and K were recorded. The responses were accompanied by greater numbers of pods and seeds/pod. The application of N and K increas

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Dalmon, A., S. Bouyer, M. Cailly, et al. "First Report of Tomato chlorosis virus and Tomato infectious chlorosis virus in Tomato Crops in France." Plant Disease 89, no. 11 (2005): 1243. http://dx.doi.org/10.1094/pd-89-1243c.

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Since 2002, yellowing symptoms associated with high levels of white-fly populations have been observed in plants of protected tomato crops in France. Symptomatic plants exhibited interveinal yellowing areas in older leaves, followed by generalized yellowing. Symptoms were not observed in young plants or fruits. Trialeurodes vaporariorum populations were generally abundant in spring, and Bemisia tabaci (established in France for approximately 10 years) became predominant in summer and fall. To check for the presence of Tomato chlorosis virus (ToCV) and Tomato infectious chlorosis virus (TICV),

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Picchioni, G. A., S. Miyamoto, and J. B. Storey. "Growth and Boron Uptake of Five Pecan Cultivar Seedlings." HortScience 26, no. 4 (1991): 386–88. http://dx.doi.org/10.21273/hortsci.26.4.386.

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Growth and B uptake of five pecan [Carya illinoensis (Wangenh.) C. Koch] seedling cultivars were evaluated in two greenhouse experiments. Seedlings were exposed for 7 to 8 months to various B-containing irrigation solutions. In one study, the growth of `Apache', `Riverside', and `Burkett' seedlings declined significantly with a 5.0-mg B/liter application that provided 12.3 mg B/liter in the soil saturation extract. In the second study, B application of 2.5 mg·1iter-1 (6.4 mg·liter-1 in the saturation extract) reduced growth of `Western' and Wichita' seedlings. Seedling sources differed in susc

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Ziems, A. D., L. J. Giesler, and G. Y. Yuen. "First Report of Sudden Death Syndrome of Soybean Caused by Fusarium solani f. sp. glycines in Nebraska." Plant Disease 90, no. 1 (2006): 109. http://dx.doi.org/10.1094/pd-90-0109c.

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During August of 2004, soybean (Glycine max (L.) Merr.) plants exhibiting symptoms typical of sudden death syndrome (SDS) caused by Fusarium solani (Mart.) Sacc. f. sp. glycines (= Fusarium virguliforme Akoi, O'Donnell, Homma, & Lattanzi) (1) were observed in Nemaha and Pierce counties in eastern Nebraska. Leaf symptoms ranged from small chlorotic spots to prominent interveinal necrosis on plants at R5-R6 growth stages. Taproots of symptomatic plants were plated on potato dextrose agar (PDA) amended with hymexazol, ampicillin, and rifampicin (HAR). Resulting fungal isolates grew slowly and

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Verma, Raj, Y. S. Ahlawat, S. P. S. Tomer, Satya Prakash, and R. P. Pant. "First Report of Zucchini yellow mosaic virus in Bottlegourd (Lagenaria siceraria) in India." Plant Disease 88, no. 4 (2004): 426. http://dx.doi.org/10.1094/pdis.2004.88.4.426c.

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In December 2002, bottlegourd (Lagenaria siceraria L.) plants grown as a commercial crop in Pune, India (western Maharashtra) showed severe mosaic, interveinal chlorosis, and leaf deformation that resulted in fern-leaf appearance and severe fruit distortion in approximately 70% of the plants. Crude sap of collected samples was used to mechanically inoculate uninfected glasshouse-grown bottlegourd plants that reproduced symptoms observed in the field. Sap extracts from these glasshouse infected bottlegourd plants were used to mechanically inoculate selected indicator hosts. Chlorotic local lesi

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Kurle, J. E., S. L. Gould, S. M. Lewandowski, S. Li, and X. B. Yang. "First Report of Sudden Death Syndrome (Fusarium solani f. sp. glycines) of Soybean in Minnesota." Plant Disease 87, no. 4 (2003): 449. http://dx.doi.org/10.1094/pdis.2003.87.4.449b.

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In August 2002, soybean (Glycine max (L.) Merr.) plants exhibiting foliar and root symptoms typical of sudden death syndrome were observed in Blue Earth and Steele counties in south-central Minnesota. Leaf symptoms ranging from small chlorotic spots to prominent interveinal necrosis were present on soybean plants at the R6 to R7 growth stage. As plants matured, complete defoliation took place with only petioles remaining. Symptomatic plants had necrotic secondary roots, truncated taproots, and discolored cortical tissue at the soil line. Blue sporodochia containing macroconidia were observed o

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Zhao, R. N., R. Wang, N. Wang, et al. "First Report of Tomato chlorosis virus in China." Plant Disease 97, no. 8 (2013): 1123. http://dx.doi.org/10.1094/pdis-12-12-1163-pdn.

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In October 2012, a severe yellowing disease was found on greenhouse and plastic house tomato (Solanum lycopersicum) plants in Beijing, China. The disease incidence varied from 5 to 80% in each of six fields across Haidian and Daxing districts. The lower leaves showed symptoms of interveinal chlorosis, leaf brittleness, and limited brown necrotic flecks, similar to symptoms induced by Tomato chlorosis virus (ToCV) and Tomato infectious chlorosis virus (TICV) (two members of genus Crinivirus, family Closteroviridae) (4). A large number of whiteflies (Bemisia tabaci) were also observed. Leaf samp

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Wintermantel, William M., Arturo A. Cortez, Amy G. Anchieta, Anju Gulati-Sakhuja, and Laura L. Hladky. "Co-Infection by Two Criniviruses Alters Accumulation of Each Virus in a Host-Specific Manner and Influences Efficiency of Virus Transmission." Phytopathology® 98, no. 12 (2008): 1340–45. http://dx.doi.org/10.1094/phyto-98-12-1340.

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Tomato chlorosis virus (ToCV), and Tomato infectious chlorosis virus (TICV), family Closteroviridae, genus Crinivirus, cause interveinal chlorosis, leaf brittleness, and limited necrotic flecking or bronzing on tomato leaves. Both viruses cause a decline in plant vigor and reduce fruit yield, and are emerging as serious production problems for field and greenhouse tomato growers in many parts of the world. The viruses have been found together in tomato, indicating that infection by one Crinivirus sp. does not prevent infection by a second. Transmission efficiency and virus persistence in the v

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Bernstein, E. R., Z. K. Atallah, N. C. Koval, B. D. Hudelson, and C. R. Grau. "First Report of Sudden Death Syndrome of Soybean in Wisconsin." Plant Disease 91, no. 9 (2007): 1201. http://dx.doi.org/10.1094/pdis-91-9-1201b.

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In August of 2006, soybean (Glycine max (L.) Merr.) plants collected from Columbia, Dane, Green Lake, Walworth, Jefferson, and Waushara counties in southern Wisconsin exhibited symptoms typical of sudden death syndrome (SDS) caused by Fusarium virguliforme O'Donnell & Aoki [synonym F. solani (Mart.) Sacc. f. sp. glycines] (1). Foliar symptoms ranged from chlorotic spots to severe interveinal chlorosis and necrosis. Taproots of symptomatic plants were necrotic and stunted and stems exhibited a light tan discoloration, but never the dark brown discoloration typical for brown stem rot, a dise

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