BLOSSOM END ROT ON TOMATO PLANTS

January 23 2023, Monday

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BLOSSOM END ROT
ON TOMATO PLANTS

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By Dorota Basiura

[/et_pb_text][/et_pb_column][et_pb_column type=”2_5″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][/et_pb_column][/et_pb_row][/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.19.2″ _module_preset=”default” background_color=”#e8e4d9″ custom_padding=”7px||7px||true|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.19.2″ _module_preset=”default” custom_padding=”||4px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_divider color=”#000000″ divider_weight=”2px” _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][/et_pb_divider][/et_pb_column][/et_pb_row][et_pb_row column_structure=”1_4,3_4″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}” custom_padding=”6px||0px|||”][et_pb_column type=”1_4″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.19.2″ _module_preset=”default” text_text_color=”#000000″ text_font_size=”20px” custom_margin=”||30px|||” global_colors_info=”{}”]About the Author[/et_pb_text][et_pb_divider color=”#000000″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][/et_pb_divider][et_pb_text _builder_version=”4.19.2″ _module_preset=”default” text_text_color=”#000000″ text_font_size=”20px” custom_margin=”-31px||28px|||” global_colors_info=”{}”]

Dorota Basiura
Website Content Director

[/et_pb_text][et_pb_button button_text=”LEARN MORE” button_alignment=”left” _builder_version=”4.19.2″ _module_preset=”default” custom_button=”on” button_text_size=”17px” button_text_color=”#FFFFFF” button_bg_color=”#a80e0e” button_border_width=”7px” button_border_color=”#a80e0e” button_border_radius=”0px” button_font=”Marcellus SC||||||||” custom_margin=”52px||||false|false” hover_enabled=”0″ custom_css_main_element=”width:67%;||text-align: center;” global_colors_info=”{}” custom_css_main_element_last_edited=”on|phone” custom_css_main_element_phone=”width:auto;” theme_builder_area=”post_content” sticky_enabled=”0″ custom_css_main_element_tablet=”width:67%;||text-align: center;”][/et_pb_button][et_pb_divider color=”#000000″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][/et_pb_divider][/et_pb_column][et_pb_column type=”3_4″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.19.2″ _module_preset=”default” text_text_color=”#000000″ text_font_size=”20px” hover_enabled=”0″ global_colors_info=”{}” text_line_height=”1.6em” sticky_enabled=”0″]Blossom end rot is something that all tomato growers prefer not to experience, yet it affects most of us. Blossom end rot on tomato fruit appears at any time during fruit development but is most common on the first tomatoes of the season. Calcium deficiencies most often occur in long-fruited varieties (Roma type) and in large-fruited varieties. Initially, it appears as a light brown water-soaked lesion (speck) located at the end of the fruit – where the flower was attached – hence the name of this physiological disorder. If you don’t react immediately after the first symptoms appear, the damage will continue to grow, and turn black, and leathery. The damaged tissue will also be susceptible to fungi and bacteria that break down the fruit tissues.[/et_pb_text][et_pb_divider color=”#000000″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}” custom_margin=”||18px|||”][/et_pb_divider][et_pb_image src=”https://live-tomato-society.pantheonsite.io/wp-content/uploads/2023/01/1-14.webp” _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][/et_pb_image][et_pb_divider color=”#000000″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}” custom_margin=”||2px|||”][/et_pb_divider][et_pb_text _builder_version=”4.19.2″ _module_preset=”default” text_text_color=”#000000″ text_font_size=”20px” hover_enabled=”0″ global_colors_info=”{}” text_line_height=”1.6em” sticky_enabled=”0″ custom_margin=”||7px|||”]

Blossom end rot is not caused by disease or insects. Blossom end rot is a physiological disorder caused by inadequate levels of calcium in developing fruit and can occur at any stage of fruit development. There are several different reasons why tomato plants may not be getting enough calcium.

Blossom end rot can be caused by:

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Most often, a lack of calcium in the soil is not the true cause of blossom end rot. The problem is the plant’s inability to absorb it, which becomes difficult under certain conditions. Calcium uptake by plants depends on active transpiration (leaves loose water to take more water and nutrients from the soil, among other things). Anything that inhibits transpiration can inhibit calcium uptake. In addition, calcium enters the leaves more easily than the fruit. There are several things that can be done to enable the plant to manage calcium properly, thus preventing the occurrence of blossom end rot. Avoid over-fertilization during early fruiting, mainly with fertilizers that use ammonia as a nitrogen source. Ammonia competes with calcium absorption and promotes the occurrence of blossom end rot. Avoid frequent, shallow waterings- water less frequently and deeply. It is also important to properly water the plants before anticipated periods of drought and hot weather. In case your problem is truly a lack of calcium in the soil (which can be confirmed with a soil test), you can add calcium to the soil in many forms- bone meal, gypsum, or dolomitic lime. Remember that calcium additions will not be immediately available to plants. For immediate use, spray the fruit trusses with 0.5-0.8% solution of calcium nitrate as soon as possible, paying particular attention to the even application of liquid to the fruit. Preventatively, such spraying should be carried out once a week. All gardeners who grow tomatoes in containers should pay close attention to moisture levels, container soil dries up much faster than the ground soil.

[/et_pb_text][et_pb_divider color=”#000000″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}” custom_margin=”||6px|||”][/et_pb_divider][et_pb_text _builder_version=”4.19.2″ _module_preset=”default” text_text_color=”#000000″ text_font_size=”20px” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]Article by Dorota Basiura, Website Content Director[/et_pb_text][/et_pb_column][/et_pb_row][et_pb_row _builder_version=”4.19.2″ _module_preset=”default” custom_padding=”||4px|||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_divider color=”#000000″ divider_weight=”2px” _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}”][/et_pb_divider][/et_pb_column][/et_pb_row][/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.19.2″ _module_preset=”default” background_color=”#051b10″ custom_padding=”12px||0px||false|false” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row column_structure=”1_3,1_3,1_3″ custom_padding_last_edited=”on|desktop” _builder_version=”4.19.2″ _module_preset=”default” custom_margin=”|auto||369px||” custom_margin_tablet=”|auto||369px||” custom_margin_phone=”|||20px|false|false” custom_margin_last_edited=”on|phone” custom_padding=”53px||39px|||” custom_padding_tablet=”53px||39px|||” custom_padding_phone=”53px||39px|||” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”1_3″ _builder_version=”4.19.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.19.2″ _module_preset=”default” text_text_color=”#000000″ header_2_text_color=”#e8e4d9″ header_2_font_size=”33px” header_2_line_height=”1.4em” global_colors_info=”{}” theme_builder_area=”post_content”]

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