A protein with haploid induction ability, among which are the POX superfamily domain and the Homeobox domain, specifically, POX, the superfamily domain containing BELL domain and SKY domain:
- SKYLKAAQELLDEVVSV;
- preferably it is a OsCPRO1 or OsCPRO2 protein, amino acid sequences are shown as in SEQ ID NO:
- 3 and SEQ ID NO:
- 6, respectively, or their orthologous genes derived from the following species, optimally greater than 90%, 95%, more than 98% or 99%:
- rice (Oryza sativa), wart-grain rice (Oryza meyeriana var), maize (Zea mays), wheat (Triticum aestivum), durum wheat (Triticum turgidum subsp), wild emmer wheat (Triticum dicoccoides), urartu wheat (Triticum urartu), barley (Hordeum vulgare), section wheat (Aegilops tauschii), rye (Secale cereale), oats (Avena sativa), buckwheat (Fagopyrum esculentum), highland barley (Hordeum vulgare), semen coicis (Coixlacryma-jobi), foxtail millet (Setariaitalica), fonio millet (Digitariaexiis), sorghum (Sorghum bicolor), proso millet (Panicum miliaceum), wild rice (Zizania latifolia), biotic wild rice (Zizania palustris), coracana(Eleusine coracana), sweet potato (Dioscorea esculenta), cassava (Manihot esculenta), potato (Solanum tuberosum), yam (Dioscoreapolystachya), groundnut (Arachis hypogaea), cranes peanut (Arachis duranensis), soybean (Glycine max), wild soybean (Glycine soja), adzuki bean (Vigna angularis), red bean (Vigna umbellata), lentil bean (Lens culinaris), mung bean (Vigna radiata), cowpea (Vigna unguiculata), kidney bean (Phaseolus vulgaris), broad bean (Vicia faba), pea (Pisum sativum), jack bean (Canavalia gladiata), pigeonpea (Cajanus cajan), white lupine (Lupinus albus), lather bean (Mucuna pruriens), narrow-leafed lupine (Lupinus angustifolius), hairy vine bean (Calopogoniummucunoides), chickpea (Cicer arietinum), sesame (Sesamum indicum), flax (Linumusitatissimum), rapeseed (Brassica napus), sunflower (Helianthus annuus), castor bean (Ricinus communis), red flower (Carthamus tinctorius), beet (Beta vulgaris), sugarcane (Saccharum officinarum), cotton (Gossypium spp), marijuana (Cannabis sativa), jiangnan rolling cypress (Selaginella moellendorffii), lemon eucalyptus (Corymbia citriodora), water green tree (Tetracentronsinense), mesquite tree (Prosopis alba), taxus chinensis (Taxus chinensis), olive (Olea europaea), African acacia (Abrusprecatorius), switchgrass (Panicum virgatum), red-vein maiguo (Rhamnellarubrinervis), American hickory (Carya illinoinensis), tea (Camellia sinensis), tobacco (Nicotiana tabacum), elephant grass (Pennisetum purpureum), hard-straight ryegrass (Lolium rigidum), nandi (Miscanthuslutarioriparius), canweed (Setariaviridis), cockweed (Pennisetum alopecuroides), Sudan grass (Sorghum sudanense), Tang pine grass (Thalictrum thalictroides), curved leaf thrush (Eragrostiscurvula), Brachypodium (Brachypodiumdistachyon), alfalfa (LotuscorniculatusL), Arabidopsis (Arabidopsis thaliana), Physcomitrella(Physcomitrium patens), hornmoss (Ceratodonpurpureus), cabbage (Brassica oleracea), mustard (Brassica juncea), Chinesegreen cabbage (Brassica rapa), cauliflower (Brassica oleracea), lettuce (Lactuca sativa), spinach (Spinacia oleracea), radish (Raphanus sativus), Chinesecabbage (Brassica rapa), zucchini (Cucurbita pepo), hemsley (Apium graveolens), leek (Allium tuberosum), carrot (Daucus carota), eggplant (Solanum melongena), tomato (Lycopersicon esculentum), cucumber (Cucumis sativus), wax gourd (Benincasahispida), pumpkin (Cucurbita moschata), loofah (Luffa cylindrica), vegetable melon (Cucumis melo), lotus vegetables (Potentilla anserina), day lily (Hemerocallis citrina), stem lettuce (Lactuca sativa), asparagus (Asparagus officinalis), chili pepper (Capsicum annuum), garlic (Allium sativum), spring onion (Allium fistulosum), Jerusalem artichoke (Helianthus tuberosus), Coriander (Coriandrum sativum), watermelon (Citrullus lanatus), pear (Pyrus spp), peach (Prunus persica), apricot (Armeniaca vulgaris), lee (Prunus salicina), date (Ziziphus jujuba), green plum (Vaticamangachapoi), apple (Malus pumila), sand fruit (Malus asiatica), cherry (Cerasus spp), walnut (Juglans regia), strawberry (Fragaria ananassa), grape (Vitis vinifera), pineapple pear (Ananas comosus), coptis chinensis (Coptis chinensis), Chinese milk vetch (Astragalus sinicus), ginseng (Panax ginseng), Angelica sinensis (Angelica sinensis), honeysuckle (Lonicera japonica), Ai (Artemisia argyi), peppermint (Mentha canadensis), orchid (Cymbidium ssp), lily (Lilium brownii), tulip (Tulipa gesneriana).