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The aim of the study conducted in 2012-2014 was to evaluate multi-breeding value of the tomato male-sterile lines (gene ms-10). Two (PWS 10, PWS 18) of the five tested lines showed the highest and most stable level of sterility. The good stability of sterility was also found in the two other ms-10 lines (PWS 12, PWS 21), which displayed a low number of fruits with seeds. In the case of the last tested...
In 2012 and 2013 the evaluation of the ability for the generative propaga-tion after cross-pollination of eleven Chinese cabbage and six head cabbage in-breed lines pollinated with the use of two types of insects: the red mason bee (Osmia rufa) and the house fly (Musca domestica) was performed in the isolated growth-cages placed in the field and in the greenhouse. The influence of quantity of the...
Angular leaf spot caused by bacteria Pseudomonas syringae pv. lachrymans is a very common cucumber disease, which causes serious yield losses. The objective of this study was to examine the selected cucumber lines regarding their resistance to this pathogen. Twelve cucumber lines bred at the Research Institute of Horticulture were evaluated and compared with the resistant inbred line GY 14 and the...
The aim of the study was to examine the five fertile carrot inbreed lines in respect to morphological traits in generative stage. In the year of 2012, plants were generatively propagated both in the greenhouse and in the field of the Re-search Institute of Horticulture, Skierniewice, Poland. Two types of pollinating insects (red mason bee and flies) were used for obtaining of seeds. Flowers of all...
Alternaria black spot of cabbage plants, incited by different species of Alternaria, causes an increasing damage of Brassicaceae crops throughout the world, including Poland. Usually, Brassica plants are attacked by A. brassicae (Berk.) Sacc., A. brassicicola (Schw.) Wiltsh., and A. raphani Groves & Skolko. Alternaria pathogens have a wide spectrum of hosts, including cabbage, other cultivated...
Zróżnicowanie między androgenicznymi liniami R₁ oraz ich węwnątrzliniowę wyrównanie pod względem cech morfologicznych w fazie wegetatywnej oceniono w doświadczeniu założonym na początku maja w 2002 roku na polu doświadczalnym Instytutu Warzywnictwa. Obiektem badań były rośliny pokolenia R₁ pochodzące z trzech odmian donorowych (55, 62, 67) i reprezentowane odpowiednio przez 4, 8 i 3 linie. Rośliny...
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