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Effect of long-day vegetative growth period on flowering of Celosia argentea L. in the glasshouse pot culture

100%

Malyszko M., Cieciora M., Przymeska J.

Zeszyty Problemowe Postępów Nauk Rolniczych

2008

tom 525

Seeds of Celosia argentea L. from two cultivar groups Amigo F₁ and Gloria F₁ were sown every week from 1 to 22 March 2006 into containers in a warm glasshouse. After 2 weeks the seedlings were potted into 9-cm pots and placed in a long-day glasshouse. After 3, 4, 5 and 6 weeks of vegetative growth all plants were transferred from a long-day glasshouse to a short-day glasshouse. Celosias cultured at different long-day periods flowered at the same time regardless of the sowing date. Plants of the best quality were obtained after 5 weeks of long days in the Amigo F₁ group and after 3 weeks in the Gloria F₁ group.

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Effect of plant growth-promoting rhizobacteria [PGPR] on development of spider mite populations on glasshouse cucumber and tomato

100%

Tomczyk A., Kielkiewicz M.

Journal of Plant Protection Research

2000

tom 40

nr 1

The influence of PGPR on the susceptibility of glasshouse cucumber and tomato to spider mites was studied. lt was found that plants treated with PGPR suppressed the development of mile populations on both studied crops. The effect was more evident for cucumber, as compared to tomato plants. Mite population was smaller by more than 40% on the leaves of the susceptible cucumber cultivar, Corona growing in the presence of rhizobacteria, as compared to that without bacteria. The development of spider mile population on the bacterized susceptible tomato cultivar, Romatos was more inhibited on young leaves (43%) than on older ones (34%). As the injury of plants progressed the level of inhibition was decreased.

Ograniczanie wyników

1 Journal of Plant Protection Research

1 Zeszyty Problemowe Postępów Nauk Rolniczych

1 Cieciora M.

1 Kielkiewicz M.

1 Malyszko M.

1 Przymeska J.

1 Tomczyk A.

1 2008

1 2000

Wyniki wyszukiwania

Effect of long-day vegetative growth period on flowering of Celosia argentea L. in the glasshouse pot culture

Effect of plant growth-promoting rhizobacteria [PGPR] on development of spider mite populations on glasshouse cucumber and tomato