Related by context. Frequent words. (Click for all words.) 75 rootstock 69 cultivars 64 varieties 64 cultivar 63 tomato varieties 60 apple varieties 59 grape varieties 59 vines 58 resistant varieties 56 grape 56 seedling 56 grapevines 56 varietals 56 seedlings 55 grapes 55 fruiting 55 phylloxera 55 whitefly 55 viburnum 54 tall fescue 54 woody plants 54 germplasm 53 heirloom varieties 53 herbaceous plants 53 wine grapes 53 downy mildew 53 varietal 52 vine 52 grape vines 52 plantings 52 triticale 52 blight resistant 52 pears 52 nematodes 51 botrytis 51 conifers 51 soybean varieties 51 camellias 51 spp 51 anthracnose 51 powdery mildew 51 aphid 51 orchid species 51 diploid 51 fuchsias 51 crabapple 51 vineyards 50 crabapples 50 salt tolerant 50 blueberry bushes 50 pear 50 japonica 50 insect resistant 50 foliar 50 fungicides 50 sweet cherries 50 hollies 50 clematis 50 pest resistant 50 whiteflies 50 genotypes 50 corn rootworm 50 viticulture 50 wheats 50 coleus 50 fruited 49 ryegrass 49 junipers 49 potato varieties 49 clonal 49 Japanese maples 49 camellia 49 hybridizing 49 crops 49 replanted 49 corms 49 yeast strains 49 nematode 49 sour cherries 49 legume 49 ornamental trees 49 grafting 49 crape myrtles 49 shrub 49 Miscanthus 49 cuttings 49 lupins 49 gooseberries 49 herbicide resistant 48 mulberry 48 horticultural crops 48 insect pests 48 brassicas 48 microclimates 48 spider mites 48 perennial grasses 48 cowpea 48 herbaceous 48 herbicide tolerance 48 groundcovers 48 Pecans