Publication Date
1997
Description
The growth in summer and the overwintering ability of interspecific hybrid (Hy) between pearl millet (Pennisetum glaucum) and napiergrass (P. purpureum) was compared with those of two napiergrass varieties, i.e. Wruk Wona (Wr) and Merkeron (Me) in the field. The Hy had smaller dry matter yield (DMY) and mean tiller weight with higher tiller number and in vitro dry matter digestibility (IVDMD) than Wr and Me at the end of July, but DMY and IVDMD were not significantly different among genotypes in November. Regrown percentage of plants, number and dry weight of regrown tillers after overwintering were the highest in Me, followed by Wr but nil in Hy, due to the differences in the survived percentage of emerged tiller buds on the underground stem (UG) and non-structural carbohydrate content of UG. Thus, Hy can be used for the annual fodder grass comparable to napiergrass under the frosting Southwestern Japan.
Citation
Ishii, Y; Ito, K; and Shinohara, S, "Relation Between Growth in Summer and the Overwintering Ability in Hybrid Pennisetum and Napiergrass Genotypes" (2024). IGC Proceedings (1993-2023). 9.
https://uknowledge.uky.edu/igc/1997/session22/9
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Relation Between Growth in Summer and the Overwintering Ability in Hybrid Pennisetum and Napiergrass Genotypes
The growth in summer and the overwintering ability of interspecific hybrid (Hy) between pearl millet (Pennisetum glaucum) and napiergrass (P. purpureum) was compared with those of two napiergrass varieties, i.e. Wruk Wona (Wr) and Merkeron (Me) in the field. The Hy had smaller dry matter yield (DMY) and mean tiller weight with higher tiller number and in vitro dry matter digestibility (IVDMD) than Wr and Me at the end of July, but DMY and IVDMD were not significantly different among genotypes in November. Regrown percentage of plants, number and dry weight of regrown tillers after overwintering were the highest in Me, followed by Wr but nil in Hy, due to the differences in the survived percentage of emerged tiller buds on the underground stem (UG) and non-structural carbohydrate content of UG. Thus, Hy can be used for the annual fodder grass comparable to napiergrass under the frosting Southwestern Japan.
