Echinopsis pachanoi
The San Pedro cactus is very easy to grow in most areas. Because it grows naturally in the Peruvian Andes Mountains at high altitude and with high rainfall, it can withstand temperatures far below that of many other cacti. It requires fertile, free-draining soil. They average half a meter per year of new growth. They are susceptible to fungal diseases if over-watered, but are not nearly as sensitive as many other cacti, especially in warm weather. They can be sunburned and display a yellowing chlorotic reaction to overexposure to sunlight.
Phytophthora megasperma
Water moulds in the "P. megasperma" complex can be found on a multitude of host plants, including many agricultural crops. It has been noted on soybeans, kiwifruit ("Actinidia deliciosa"), horse chestnut ("Aesculus hippocastanum"), hollyhock ("Alcea rosea"), asparagus ("Asparagus officinalis"), "Brassica oleracea", crops such as cabbage, cauliflower, safflower ("Carthamus tinctorius"), Port Orford cedar ("Chamaecyparis lawsoniana"), chickpea ("Cicer arietinum"), carrot ("Daucus carota"), carnation ("Dianthus caryophyllus"), eucalyptus ("Eucalyptus" spp.), walnut ("Juglans regia"), apple ("Malus domestica"), pines ("Pinus" spp.), stone fruit such as apricot, cherry, plum, and peach, Douglas fir ("Pseudotsuga menziesii"), sugarcane ("Saccharum officinarum"), and potato ("Solanum tuberosum").