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۱Response of Tomato to Different Levels of Calcium and Magnesium Concentration (Text in Persian)
اطلاعات انتشار: World Applied Sciences Journal، سي و يكم،شماره۹، ۲۰۱۴، سال
تعداد صفحات: ۵
An experiment was carried out at Agriculture Extension and Model Farm Service Center Timergara، Khyber Pakhtunkhwa، Pakistan during summer 2010 to investigate the response of tomato (Lycopersicon esculentum L.) cv ‘Rio Grand’ to different levels of calcium (Ca) and magnesium (Mg). The experiment was laid out in a randomized complete block design (RCBD) with two factors i.e. Ca and Mg levels; treatments werereplicated three times. Three levels of Ca (0، 3 and 6%) and three levels of Mg (0، 2 and 4%) were applied as foliar spray and the data were recorded on plant height، number of branches plant 1، number of flower cluster 1، number of fruits clusrer 1، number of fruits plant 1، weight of fruit (gm)، yield ha 1(ton) and Blossom End Rot fruits%. Both Ca and Mg and their interaction significantly increased the growth and yield parameters. Among the different levels of Ca، 6% level showed significant increase in plant height (84.10 cm)، number of branches plant 1 (6.35)، number of flowers cluster 1 (24.42)، number of fruits cluster 1(5.68)، number of fruits plant 1 (6.92)، fruit weight (78.01 gm)، yield ha 1 (21.14 tons) and low percentage of blossom end rot fruits (8.22). Magnesium also significantly affected growth and yield components. Among the different levels of Mg،4% showed significant increase in plant height (85.68 cm)، number of flowers cluster 1 (27.62)، number of fruits cluster 1(5.95)، number of fruits plant 1 (6.22)، yield ha 1 (20.26 tons) and less percentage of blossom end rot fruits (6.76). Based on the above results، it is recommended that 6% Ca concentration and 4% Mg concentration should be collectively applied to tomato for better growth and yield under the agro climatic conditions of Timergara Dir Pakistan.
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