β Scribed by M. J. Foxe
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract Upland rice, produced by smallholder farmers, is the lowestβyielding rice production system. Drought stress is the most severe abiotic constraint in upland rice. Improving productivity of rice in the upland ecosystem is essential to meet rice food security needs of impoverished upland c
At the start of a breeding programme mostly a cross is made between the resistant plant and a plant belonging to a commercial variety of the crop in question . If both belong to the same species the exchange of genes can be easily brought about . If, however, the resistance is present only in other
White clover resistant to cyst nematodes was selected as a contribution to the study of the importance of cyst nematodes in the disappearance of white clover from grassland. Resistance was obtained from different sources viz from clones of the Foundation for Agricultural Plant Breeding selected for