News Update on Vegetable Crops Research: May – 2019

Tolerance of vegetable crops to salinity

Global constraints on H2O provides and also the have to be compelled to get rid of agricultural, municipal, and industrial waste waters have intense interest in water apply choices. In several instances, the worth of the water is cut alone due to its higher salt concentration. though quantitative info on crop salt tolerance exists for over one hundred thirty crop species, there area unit several vegetables that lack definitive information. Vegetable crops area unit outlined as nonwoody species full-grown for human consumption within which the edible parts carries with it leaves, roots, hypocotyls, stems, petioles, and flower buds. The salt tolerance of vegetable species is vital as a result of the money worth of vegetables is typically high compared to field crops. during this review some general info is given on however salinity affects plant growth and development and the way totally different measurements of salinity in resolution cultures, sand cultures, and field studies is reconciled to a typical basis. The salt tolerance of vegetables has been condensed and reportable during a uniform format supported the most effective out there information. Discrepancies and inconsistencies exist in a number of the knowledge thanks to variations in cultivars, environments, and experimental conditions. For a good range of species very little or no helpful info exists and there’s an evident would like for analysis. [1]

Diseases of vegetable crops.

Diseases of thirty forms of vegetables are here represented by the faculty member of Plant Pathology at the University of Wisconsin. they’re mentioned with regard to symptoms, causative agents, cycles. of development and ways of management. Relevant references are given at the tip of the outline of every malady. when a brief preface, the author takes the host plants in alphabetical order. Vegetables full-grown as field crops embody potato and sweet potato (Ipomoea batatas). The former, due to its importance, is handled at some length (chapter twelve, pp. 314-93, or rather quite common fraction of the full book), whereas the latter occupies chapter fifteen, pp. 407-30. The diseases are represented below their common names, although the scientific names of flora and microorganism pathogens seem within the text. Some diseases are solely in brief mentioned below a specific host, however receive elaborate treatment below different hosts. therefore fungus wilt of potato, a heavy malady in kingdom and in North America, occupies solely 0.5 a page below potato, but, below tomato the wilt receives 2 pages. Again, TX plant disease is given solely eleven lines below sweet potato, however is represented, and also the plant illustrated, on associate earlier page below bean. In such cases it might be useful if the pages were quoted so the additional complete descriptions may be without delay found. Potato diseases are mentioned below non-parasitic disorders (including those that are thanks to deficiencies of N, phosphorus, K and atomic number 12, and far more than manganese), fungal, bacterial, and nematode worm diseases, 2 diseases incited by insects (hopperburn and louse yellows), and virus diseases, with descriptions of mosaic, leaf roll, spindle tuber and unmottled crisp dwarf, plant disease, purple top, calico, witches’-broom, noticed wilt, and tobacco ring spot. explicit attention is given to common scab (pp. 329-34) and blight (pp. 343-52), that occur where potatoes are full-grown. The complicated nature of a number of these diseases and also the attendant management difficulties are well exemplified by ring disease (pp. 325-9). like potato, some diseases of the sweet potato represented have an effect on the tubers (e.g. low-temperature injury, internal breakdown, and significantly Rhiz-opus soft, rot), whereas others have an effect on the growing plant, like atomic number 5 deficiency, soil rot, fungus diseases, wilt and plant disease (Ceratos-tomella fimbriata). The virus diseases of sweet potato are less significant than those of potato, however mention is created of a mosaic malady in Arkansas, a feathery yellowing of the foliage, and internal cork. The book is illustrated by clear drawings and plenty of well-reproduced images and, since vegetable crops are full-grown in each country, the data began can assuredly be appreciated by sensible growers and agriculture students, whereas analysis employees can notice the various references useful.-H. Wormald. [2]

Variation of Glucosinolates in Vegetable Crops of Brassica oleracea

Glucosinolates were evaluated in five teams and sixty five accessions of dilleniid dicot genus oleracea (50 broccoli, four national capital sprouts, 6 cabbage, three cauliflower, and a pair of kale) big below uniform cultural conditions. Glucosinolates and their concentrations varied among the various teams and at intervals every cluster. The predominant glucosinolates in broccoli were 4-methylsulfinylbutyl glucosinolate (glucoraphanin), 3-butenyl glucosinolate (gluconapin), and 3-indolylmethyl glucosinoate (glucobrassicin). Glucoraphanin concentration in broccoli ranged from zero.8 μmol g-1 DW in EV6-1 to twenty one.7 μmol g-1 DW in brigadier general. Concentrations of the opposite glucosinolates in broccoli varied equally over a large vary. In national capital sprouts, cabbage, cauliflower, and kale, the predominant glucosinolates were sinigrin (8.9, 7.8, 9.3, and 10.4 μmol g-1 DW, respectively) and glucobrassicin (3.2, 0.9, 1.3, and 1.2 μmol g-1 DW, respectively). national capital sprouts additionally had important amounts of gluconapin (6.9 μmol g-1 DW). Wide variations in glucosinolate content among genotypes recommend variations in their health-promoting properties and therefore the chance for sweetening of their levels through genetic manipulation. [3]

Associations between mothers’ perceptions of the cost of fruit and vegetables and children’s diets: Will children pay the price?

Background/Objectives: Perceptions that fruit and vegetables square measure dear square measure additional common among the socio-economically deprived teams and square measure joined to poor dietary outcomes. Such perceptions is also exacerbated in countries recently tormented by natural disasters, wherever devastation of fruit and vegetable crops has resulted in increase in costs of fruit and vegetables. Examining the associations of perceptions of fruit and vegetable affordability and children’s diets can give insights into however the high costs of fruit and vegetables may need a sway on the diets of kids.

Subjects/Methods: we have a tendency to analysed the info from 546 socio-economically deprived mother–child pairs to assess the connection between maternal perceptions of fruit and vegetable affordability and therefore the diets of their youngsters.

Results: Fruit consumption was lower among youngsters whose mothers felt the price of fruit was too high. Maternal perceptions of fruit and vegetable affordability weren’t related to the other side of child’s diet.

Conclusions: Our results counsel a doable role for maternal perceptions of fruit affordability in children’s diet, tho’ additional analysis is bonded. [4]

Toxic Elements Levels in Water and Some Vegetable Crops Grown in Farms in Bade Local Government Area of Yobe State, Nigeria

This study determined significant metal concentrations in soil, water and a few vegetables like (Spinach (Amaranth caudatus), Lettuce (Lactuca Sativa) and Tomato (Lycopersicon esculentum)) that were freshly harvested at intervals 5 numerous farms (Samaila Hardaway farm, Mahound Koli farm, MainaBabi farm, Ngatau farm and Sani Chansa farm) at Jawa village in West Chadic government space of Yobe state, Nigeria that were digestible and analyzed for significant metals like As, Cd, Ni, Pb, and Cr. The aforesaid significant metal concentrations were determined victimisation small Plasma Atomic Emission photometer MP-AES model 4200 of Agilent. The results of the analysis shows that every one the significant metals were detected and exceeded the globe Health Organization (WHO) permissible limit. The metals were of the sequence As > atomic number 82 > Cd > metallic element > atomic number 24 within the raining order. The high level of those significant metals, particularly arsenic place the shoppers of those vegetable crops grownup at intervals the study space at health risk like cancer, renal failure with time unless Associate in Nursing imperative step is taken by relevant agencies to handle this issue. [5]

Reference

[1] Shannon, M.C. and Grieve, C.M., 1998. Tolerance of vegetable crops to salinity. Scientia horticulturae, 78(1-4), pp.5-38. (Web Link)

[2] Walker, J.C., 1952. Diseases of vegetable crops. Diseases of vegetable crops. (Web Link)

[3] Kushad, M.M., Brown, A.F., Kurilich, A.C., Juvik, J.A., Klein, B.P., Wallig, M.A. and Jeffery, E.H., 1999. Variation of Glucosinolates in Vegetable Crops of Brassica o leracea. Journal of agricultural and food chemistry, 47(4), pp.1541-1548. (Web Link)

[4] Associations between mothers’ perceptions of the cost of fruit and vegetables and children’s diets: Will children pay the price?

L Williams, G Abbott, D Crawford & K Ball

European Journal of Clinical Nutrition volume 66, pages 276–278 (2012) (Web Link)

[5] Oyekanmi, A., Okibe, F. and P. Dauda, W. (2018) “Toxic Elements Levels in Water and Some Vegetable Crops Grown in Farms in Bade Local Government Area of Yobe State, Nigeria”, Asian Journal of Physical and Chemical Sciences, 6(2), pp. 1-12. doi: 10.9734/AJOPACS/2018/39560. (Web Link)

Be the first to comment

Leave a Reply

Your email address will not be published.


*