Studies on the Activity of C.P.41845 in Early‐Juvenile Sugarcane

Crop Science ◽  
1972 ◽  
Vol 12 (5) ◽  
pp. 677-680
Author(s):  
A. G. Alexander ◽  
R. Montalvo‐Zapata
Keyword(s):  
Crustaceana ◽  
2015 ◽  
Vol 88 (7-8) ◽  
pp. 839-856 ◽  
Author(s):  
J. Hesse ◽  
J. A. Stanley ◽  
A. G. Jeffs

Kelp habitats are in decline in many temperate coastal regions of the world due to climate change and expansion of populations of grazing urchins. The loss of kelp habitat may influence the vulnerability to predators of the juveniles of commercially important species. In this study relative predation rates for kelp versus barren reef habitat were measured for early juvenile Australasian spiny lobster, Jasus edwardsii (Hutton, 1875), on the northeastern coast of New Zealand using tethering methods. Variation in assemblages of predators over small spatial scales appeared to be more important for determining the relative predation of lobsters, regardless of habitat type. Therefore, the assessment of relative predation risk to early juvenile lobsters between kelp and barren habitats will require more extensive sampling at a small spatial scale, as well as a specific focus on sampling during crepuscular and nocturnal periods when these lobsters are most at risk of predation.


2007 ◽  
Vol 346 (1-2) ◽  
pp. 1-7 ◽  
Author(s):  
Juan I. Cañete ◽  
Carlos S. Gallardo ◽  
Marisol Romero ◽  
Rattcliff Ambler
Keyword(s):  

2017 ◽  
Vol 7 (1) ◽  
pp. 41
Author(s):  
Yeong-Bin Kim ◽  
Hyung-Doo Park ◽  
Rihwa Choi ◽  
Soo-Youn Lee ◽  
Chang-Seok Ki ◽  
...  

1969 ◽  
Vol 60 (4) ◽  
pp. 469-478
Author(s):  
Alex G. Alexander

The time-course for induction of growth, sucrose, and enzyme changes by Polaris (N,N-bis [phosphonomethyl] glycine), a commercial sugarcane ripener marketed by Monsanto Agricultural Products Company, was studied with early-juvenile sugarcane propagated by sand culture. The ripener was administered as an aqueous foliar spray containing 3000 p/m active ingredient. Plant samples were harvested just prior to treatment and from 8 h to 10 days thereafter. Acid invertase was significantly repressed within 24 hand sucrose increased in both leaf and expanding stem tissue within 48 h. The enzymes trehalase and ATP-ase declined in expanding stem tissue by the fourth and tenth day, respectively. Soluble protein was significantly repressed from the seventh day onward. Significant growth repression was first recorded at 7 days. The time-course of Polaris action is discussed in the context of spatially- and biochemically-discrete tasks to be performed within an early-juvenile model.


1998 ◽  
Vol 29 (2) ◽  
pp. 221-229 ◽  
Author(s):  
Evenor Martínez ◽  
Miguel Aguilar ◽  
Limber Trejo ◽  
Isaac Hernández ◽  
Eugenio Díaz-Iglesia ◽  
...  

1993 ◽  
Vol 82 (s385) ◽  
pp. 1072-1074 ◽  
Author(s):  
VEA Honkanen ◽  
JK Rautonen ◽  
PM Pelkonen

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